Dataset Index

Number of datasets found: 240

This page lists all datasets held by the BADC. Many datasets are publicly available. Datasets marked with the key symbol have restricted access. To apply for access to these datasets use the Apply for Access link next to the dataset name.


berlin logo "Berlin Stratospheric Data Series", Gridded Northern Hemisphere Strastospheric Data Series Produced by the Meteorological Institute, Free University of Berlin   
Details    

This is a copy of The Berlin Stratospheric Data Series provided to the BADC by K. Labitzke and her collaborators (2002) as a CD from the Meteorological Institute, Free University Berlin. This data set contains temperature and geopotential height data on the 100, 50, 30, 10 mb pressure surfaces produced at the Meteorological Institute, Free University of Berlin, from radiosonde data and rocket observations. This data series also contains summer, winter and annual trends and variability of the data, climatological monthly mean temperature and geopotential height at 30 mb, and intercomparisons with other data series. There are also sections on the quasi-biennial oscillation (QBO) and the global signal of the 11-year sunspot cycle in the stratosphere.

Acid Deposition Processes Project: vertical wind profile data   
Details    

In 2007 the Centre for Ecology and Hydrology undertook continuation observational work as part of the DEFRA funded Acid Deposition Processes project. As part of this project data were collected a the Authencorth Moss field site near Edinburgh by a range of instruments routinely deployed at the site. In addition for this extension project the University of Manchester's 1290 MHz mobile wind profiler was deployed close to the Authencorth Moss field site to provide co-located vertical profiles of horizontal and vertical wind components as well as signal-to-noise (SNR) and spectal width measurements in January and February 2007.

acsoe-oxicoa-ease logo Airborne and Ground-based Measurements of Atmospheric Oxydants as part of the Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE)/ OXIdising Capacity of the Ocean Atmosphere (OXICOA) and The Eastern Atlantic Spring/Summer Experiments (EASE 96 and EASE 97)   
Details    

The Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) was a 5-year Natural Environment Research Council (NERC) programme on tropospheric chemistry coordinated by the University of East Anglia and involving research groups from a number of UK universities and research institutes. The project had three consortia of UK institutes and universities, each of which focused on a different scientific topic. OXICOA (OXIdising Capacity of the Ocean Atmosphere) was a study of oxidant, radical and related gas-phase chemistry in the clean and moderately polluted marine atmosphere. The Eastern Atlantic Spring/Summer Experiments (EASE 96 and EASE 97) were carried to collect data. The dataset includes measurements of the OH and HO2 radicals, measurements of halogen oxide radicals at Mace Head in conjunction with a survey of potential organic halogen source gases. In EASE 96 the Cranfield Jetstream aircraft was deployed to measure the vertical and horizontal homogeneity of the air mass.

utls_egrett logo Airborne atmospheric chemistry and meteorological observations during the Aberystwyth Egrett Experiment of the Natural Environment Research Council's Upper Troposphere, Lower Stratosphere (UTLS) Program   
Details    

The Aberystwyth Egrett Experiment: Gravity Waves, Turbulence, Mixing and Filamentation in the Tropopause Region is a Upper Troposphere Lower Stratosphere (UTLS) Round 2 project led by Dr J. Whiteway and Dr G. Vaughan, Department of Physics, University of Wales, Aberystwyth. Dataset contains: airborne measurements, by the Egrett aircraft, of turbulence, ozone, water vapour, CH4 and CFCs; Ground based measurements, by the NERC MST Radar, of atmospheric structure, mesoscale dynamics, and turbulence; Balloons measurements of ozone, water vapour, wind, temperature and pressure; Lidar of ozone, water vapour, temperature and cirrus clouds.

dcfz logo Airborne atmospheric chemistry and remotely observered cloud micro-physics data from the Dynamics and Chemistry of Frontal Zones (DCFZ) Project within the NERC Upper Troposphere and Lower Stratosphere Programme (UTLS)   
Details    

Data from the Upper Troposphere Lower Stratosphere (UTLS) programme's round 1 research project "Dynamics and Chemistry of Frontal Zones" (DCFZ). DCFZ investigated the role of frontal shear zones in determining upper tropospheric chemical distributions. Dataset contains aircraft measurements of the chemical (e.g. CO, O3, NOx as well as MAXOX measureables during some of the flights), thermodynamic, physical (e.g. liquid water content, CCN etc.) and dynamical characteristics of a number of frontal situations. Chilbolton radar images are also available. These data are now public.

acto logo Airborne atmospheric chemistry data collected by the Met Research Flight (MRF) C-130 Hercules aircraft in support of the Atmospheric Chemistry and Transport of Ozone in the UTLS (ACTO) Project within the Upper Troposphere-Lower Stratosphere (UTLS) programme   
Details    

Atmospheric Chemistry and Transport of Ozone in the upper troposphere-lower stratosphere (UTLS) (ACTO) UTLS round 2 project led by Prof. S.A. Penkett, Dr C.E. Reeves, Dr T. Green, Dr N. Brough, School of Environmental Sciences, UEA, Dr J.A. Pyle, Dr K. Law, Dr R. Jones, Department of Chemistry, University of Cambridge, Dr P. Haynes, DAMPT, University of Cambridge, Prof. Brian J. Hoskins, Dr John Methven, Dept. of Meteorology, University of Reading, Dr P.S. Monks, Dept. of Chemistry, University of Leicester, Dr. A.C. Lewis, Dr. J.M. McQuaid, Environment Centre, University of Leeds, Dr D. Brassington, Atmospheric Chemistry Research Unit, Imperial College, Dr Helen M. ApSimon, Air Pollution Group, T.H. Huxley School of the Environment, Imperial College. Dataset contains measurements made of a large number of tracers, ozone precursors, reactive species and photochemical products in the upper troposphere and lower stratosphere.

EUFAR logo Airborne In-situ Atmospheric Instuments and Hyperspectral Instruments Data from the Projects Funded Under The European Facility for Airborne Research in Environmental and Geo-sciences (EUFAR) Project    Key 
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The dataset combines data from the projects and training courses funded under the European Facility for Airborne Research in Environmental and Geo-sciences (EUFAR) project (2008-2013) and its successor EUFAR2 (2014-2018). EUFAR is an Integrating Activity of the 7th Framework Program of the European Commission. EUFAR brings together 32 European institutions and companies involved in airborne research, operating 21 instrumented aircraft and providing access to 6 hyperspectral instruments. Data include measurements by airborne in situ atmospheric instuments and hyperspectral instruments operated on board aircraft of the EUFAR fleet during projects funded under the transnational access part of EUFAR and during training events.

All Climate Change Modelling Data from the Coupled Model Intercomparison Project Phase 5 (CMIP5)   
Details    

The Coupled Model Intercomparison Project Phase 5 (CMIP5) provides a framework for coordinated climate change experiments, including simulations for assessment in the Intergovernmental Panel on Climate Change Fifth Assessment Report (AR5) as well as others that extend beyond the AR5. CMIP5 is not, however, meant to be comprehensive; it cannot possibly include all the different model inter-comparison activities that might be of value, and it is expected that various groups and interested parties will develop additional experiments that might build on and augment the experiments described here.

Amazon Integrated Carbon Analysis (Amazonica) Data   
Details    

This dataset contains data from the Amazon Integrated Carbon Analysis (AMAZONICA) project. AMAZONICA is an UK-Brasil Consortium funded by NERC (Natural Environmental Reasearch Council, UK) which aims to quantify the carbon balance of the Amazon Basin and its associated contribution to global atmospheric change, to apportion and understand the processes contributing to the net Basin-wide flux observed and, to allow improved assessments of the likely role of the Amazon Basin in contributing and/or alleviating future planetary change. Data is currently being collected and collated by the AMAZONICA team in the UK and Brazil and will be deposited at BADC before the end of the project (expected end 2012 - mid 2013).

ECMWF Operational Analyses logo Assimilated Data from the European Centre for Medium-Range Weather Forecasts (ECMWF) operational analysis program    Key 
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Global analyses from the European Centre for Medium-Range Weather Forecasts (ECMWF) from 1994 - present. This dataset follows on from the ECMWF Re-Analysis (ERA-15 and ERA-40) datasets with the same parameters at identical resolutions. Data is available in a number of resolutions and vertical level types. Some Monthly means and Seasonal Forecast data (1987-present) is also available.

utls_ozone_tropopause logo Balloon-borne Simultaneous Measurements of Ozone and Water Vapour in the Tropopause Region over Aberystwyth as part of the Ozone and water vapour measurements in the tropopause region project, part of the Upper Troposphere Lower Stratosphere (UTLS) Round 3 project   
Details    

Ozone and water vapour in the tropopause region is an Upper Troposphere Lower Stratosphere (UTLS) Round 3 project led by Dr G. Vaughan, Dr J.A. Whiteway, Physics Department University of Wales, Aberystwyth and Dr R.L. Jones, Department of Chemistry, University of Cambridge. Dataset contains Balloon-borne simultaneous measurements of ozone and water vapour in the tropopause region. The flights are targeted as far as possible at different air masses in the lower stratosphere over Aberystwyth, with a particular emphasis on north-westerly jet streams.

utls_theseo_extension logo Balloon-bourne Measurements from the Third European Stratospheric Experiment on Ozone (THESEO), part of the Upper Troposphere Lower Stratosphere (UTLS) program   
Details    

Extension of the Third European Stratospheric Experiment on Ozone (THESEO) balloon-borne measurements of atmospheric tracers and chemically active gases in the mid-latitude lower stratosphere for tests of atmospheric transport UTLS Round 1 project led by Dr R.L.Jones, Dr J.A.Pyle and Dr Neil Harris, Centre for Atmospheric Sciences, University of Cambridge and P.T.Woods, National Physical Laboratory. The data shows the methane mixing ratio at different atmospheric pressures. The overall scientific objective within this proposal is to contribute to the understanding of middle latitude ozone loss by making measurements of a number of important tracers of atmospheric motion and photochemistry, and by interpreting these measurements with state-of-the-art models of atmospheric chemistry and transport.

BAS Masin Twin-Otter aircraft data   
Details    

Data is collected on board the British Antarctic Survey MASIN Twin Otter aircraft for a range of projects in the Antarctic and at other locations. These projects include atmospheric, boundary layer and cloud/aerosol studies. The instrument suite includes standard temperature and water vapour sensors as well as a turbulence probe allowing full atmospheric profile measurements of temperature, dew point and winds. A DMT Cloud and aerosol spectrometer (CAPS) probe is used for cloud studies and a closed path Licor H2O/CO2 instrument, Grimm optical particle counter and cloud condensation nuclei counter are fed from simple Rosemount inlets.

solas logo Biological and chemical measurements from the Surface Ocean / Lower Atmosphere Study (UK SOLAS)    Key 
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The overall aim of the UK Surface Ocean / Lower Atmosphere Study (UK SOLAS) is to advance understanding of environmentally significant interactions between the atmosphere and ocean, focusing on material exchanges that involve ocean productivity, atmospheric composition and climate. The knowledge obtained will improve the predictability of climate change and give insights into the distribution and fate of persistent pollutants. The dataset contains biological and chemical measurements such as: major nutrients and trace metal concentrations in aerosol and rain samples, chemical analyses of inorganic micro-nutrients, dissolved and particulate trace metal and carbon analyses, dissolved nitrogen and organic phosphate, biological measurements including phytoplankton pigments, bacteria, picoplankton and larger phytoplankton abundance.

Bodeker Scientific Global Vertically Resolved Ozone Database    Key 
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Bodeker Scientific produced a global combined monthly mean vertical ozone profile database spanning the period 1979 to 2007. The database is completely filled such that there are no missing data. This database is used for assessing or constraining global climate model simulations. These data held at CEDA are a copy from Bodeker Scientific taken on November 2012.

bas logo British Antarctic Survey: high resolution radiosonde data from Halley and Rothera stations    Key 
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High resolution radiosonde data from the British Antarctic Survey's stations Halley and Rothera are available. The data consists of vertical profiles of pressure, temperature, relative humidity, humidity mixing ratio, radiosonde position, wind speed and wind direction. Measurements are taken at 2 second intervals and the ascents extend to heights of approximately 20-30 km. The archive has data from 2001 and generally there is 1 ascent per day from both stations.

cascade logo Cascade - Scale interactions in the tropical atmosphere Data   
Details    

Cascade is a NERC funded consortium project to study organized convection in the tropical atmosphere using large domain cloud system resolving model simulations. The dataset contains evaluations of simulations using a version of the Met Office Unified Model (UM) at horizontal resolutions of 1-2km over typical domain sizes of 10,000x3000km, using a range of satellite and ground based observations, including geostationary satellites to evaluate the time evolution of convective systems, and radar and lidar on low-earth orbit satellites (e.g. CloudSat and Calipso) and surface sites to evaluate the cloud properties.

CASIX Monthly Climatology of Plankton and Ocean Optical Properties from the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) and SeaStar Level 3 Data   
Details    

Ocean properties estimated for 1998-2007 from the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) and SeaStar Level 3 data. Dataset produced by Takafumi Hirata, Plymouth Marine Laboratory, Plymouth, UK as part of NERC Programmes: Centre for the observation of Air-Sea Interaction and fluXes (CASIX), National Centre for Earth Observation (NCEO) and Quantifying and Understanding the Earth System (QUEST). Dataset includes Phytoplankton Size Class (1998-2007) calculated from SeaWiFS/SeaStar data, and ocean optical properties and monthly climatology, 1998-2007 SeaWiFS/SeaStar data.

ccmval-1 logo CCMVal-1 (Chemistry Climate Model Validation Activity 1) coupled chemistry climate models output collection    Key 
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CCMVal is a large international effort to improve understanding of Chemistry-Climate Models (CCMs) and their underlying GCMs (General Circulation Models) through process-oriented evaluation, along with discussion and coordinated analysis of science results. The first round of CCMVal (CCMVal-1) evaluated only a limited set of key processes in the CCMs, focusing mainly on dynamics and transport.

cwvc-camra logo Chilbolton Advanced Meteorological Radar (CAMRa) data, part of the Clouds, Water Vapour and Climate (CWVC) programme   
Details    

These data are part of the NERC Clouds, Water Vapour and Climate (CWVC) programme. With a diameter of 25 metres the 3 GHz CAMRa at Chilbolton Observatory (UK) is the largest steerable meteorological radar in the world. Polarisation and Doppler data are stored in netCDF format for 30 March 1999, 9 June 2000, 20 October 2000, 21 November 2000, and 28 February 2001. Quicklook images are also available.

Chilbolton (CFARR) logo Chilbolton Facility for Atmospheric and Radio Research (CFARR): surface, radar and lidar measurements (1998-present)    Key 
Details    

Data from observations made using Chilbolton Facility for Atmospheric and Radio Research (CFARR).The Science and Technology Facilities Council (STFC) facility at Chilbolton Observatory, Hampshire (51.1445N, 1.4270W) is the home of many observation systems for meteorological and atmospheric science research. There are 4 radar systems designed to study precipitation, clouds and clear air, of which the largest is the 3 GHz Doppler radar (CAMRa) on the 25 m dish. There are also 4 lidar systems providing data on elastic backscattering, Doppler velocity, water vapour profiles and depolarisation. A wide range of meteorological and multiple raingauge data are available from both Chilbolton and the nearby Sparsholt field site. There is a wide range of radiometers at the site: microwave (for water vapour and liquid water measurements) and downwelling infra-red and visible detectors for radiation budget measurements. This dataset holds attenuation time-series data from vertically polarised 5 km links from South Wonston to Sparsholt. Cloud camera data from the Chilbolton site are available to provide visual information on weather conditions. CFARR is funded by the Natural Environment Research Council (NERC) and is owned and operated by the Space Science and Technology Department of the STFC.

caesar logo Cirrus and Anvils: European Satellite and Airborne Radiation measurements (CAESAR) Project Data from FAAM (Facility for Airborne Atmospheric Measurements) and Chilbolton Observatory    Key 
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The CAESAR project aims to investigate the radiative properties of cirrus cloud over a wide range of wavelengths in combination with airborne in situ measurements of cirrus microphysical properties. Measurements of vertical and horizontal distribution of ice crystal size, shape and ice water content during summer and winter periods are presented. Data was obtained by Flights using the FAAM BAE-146 to observe frontal and anvil cirrus co-incident with the CloudSat Aqua-train and Advanced Along-Track Scanning Radiometer (AATSR) satellites over the Chilbolton cloud radars and lidars as well as ocean/sea surrounding the UK.

clearflo logo ClearfLo (Clean Air for London) Project data collection of integrated measurements of the meteorology, composition and particulate loading of London's urban atmosphere.   
Details    

Data from the ClearfLo (Clean Air for London) Project. ClearfLo is a collaborative scientific project involving several academic institutions in the UK, to set up air pollution monitoring sites alongside meteorological measurements to investigate boundary layer pollution across London. The ambition of ClearfLo is to provide long-term integrated measurements of the meteorology, composition and particulate loading of London’s urban atmosphere, made at street level and at elevated sites, complemented by modelling to improve predictive capability for air quality. ClearfLo is funded by the Natural Environment Research Council (NERC) for three years from Jan 2010, and is coordinated by the National Centre for Atmospheric Science (NCAS).

CRUTS logo Climatic Research Unit (CRU) time-series datasets of variations in climate with variations in other phenomena    Key 
Details    

Climatic Research Unit (CRU) TS (time-series) datasets are month-by-month variations in climate over the last century or so. These are calculated on high-resolution (0.5x0.5 degree) grids, which are based on an archive of monthly mean temperatures provided by more than 4000 weather stations distributed around the world. They allow variations in climate to be studied, and include variables such as cloud cover, diurnal temperature range, frost day frequency, precipitation, daily mean temperature, monthly average daily maximum temperature, vapour pressure and wet day frequency. At present, the BADC holds the latest CRU TS version 3.22 spanning the period 1901-2013 as well as previous versions (3.00, 3.10, 3.20 and 3.21).

cru_cy logo Climatic Research Unit (CRU) Year-by-Year Variation of Selected Climate Variables by CountrY (CY)    Key 
Details    

The CRU CY dataset consists of country averages at a monthly, seasonal and annual frequency, for ten climate variables, including air temperature, precipitation, cloud cover, water vapour, etc. Spatial averages are calculated using area-weighted means. CRU CY is derived directly from the CRU TS dataset. At present, the BADC holds the latest CRU CY version 3.22 spanning the period 1901-2013 and the previous version 3.21 spanning 1901-2012 for 289 countries.

autex logo Cloud and radiation data collected by the Facility for Airborne Atmospheric Measurements (FAAM) Aircraft deployed as part of the Autumn and Winter Experiments (AUTEX / WINTEX) Project    Key 
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The AUTEX / WINTEX (Autumn and Winter Experiments) project was a Met Office campaign on board the Facility for Airborne Atmospheric Measurements (FAAM) aircraft, that collected cloud physics and radiation data over the UK, from October 2004 to February 2007. The dataset contains measurements of water vapour distribution in both the horizontal and the vertical, mixed phase cloud structure and ice initiation in cumulus clouds. They also included studies into sea surface reflectance at low solar zenith angles, cirrus cloud radiative properties, microwave signature of 'bright band', clear air spectroscopy at night, clear air spectroscopy in the infrared and far infrared, land surface emissivity studies and the effect of inhomogeneity in clouds at low solar zenith angles. FAAM Bae-146 non-core data is now public, but raw Bae-146 core data is restricted to the FAAM staff.

Cloud and Water Vapour Experiment (CWAVE) radar, lidar, satellite and model data for the Chilbolton Observatory, Hampshire, UK    Key 
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The Cloud and Water Vapour Experiment (CWAVE) is a measurement campaign at the CCLRC-Chilbolton Observatory; it is supporting associated with two EC FP5 projects, CLOUDMAP2 and CLOUDNET. A wide range of satellite and ground based instruments measured a variety of atmospheric properties ranging from cloud parameters to water vapour. In addition, the measurements coincided with the results from a reduced resolution Unified Model (UM) run by the Met Office. Access to such a data set allows unprecedented comparisons between observed and modelled data.

cloudmap logo CLOUDMAP2 project cloud products over Europe from the Along Track Scanning Radiometer 2 (ATSR-2)    Key 
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The CLOUDMAP 2 project cloud products include cloud top pressure, height, phase, fraction, effective radius and optical depth derived using a variational analysis method applied to data from the Along Track Scanning Radiometer-2 (ATSR-2) over Europe. These data are the result of a contract to Eumetsat for application to the Spinning Enhanced Visible Infra-Red Imager (SEVIRI) and partly under the European Framework 5 CLOUMAP2 project.

cap logo Coastal Air Pollution (CAP -2009 & CAP-2010) Project airborne and surface atmospheric chemistry and vertical wind profile data    Key 
Details    

This dataset consists of surface, tower and airbourne measurements of atmospheric chemistry and vertical wind profiles from the Coastal Air Pollution field campaign, led by Dr. Claire Reeves (University of East Anglia, UEA). Airborne measurements were made by instrumentation on board the Facility for Airborne Atmospheric Measurements's (FAAM) BAE 146 aircraft, with surface and tower measurements from the Weybourne Atmospheric Observatory (WAO) and the Facility for Ground-based Atmsopheric Measurements's (FGAM) 1290Mhz mobile wind profiling radar providing vertical profiles of winds, signal to noise ratios and spectral width data. These data were used to investigate the impact of local meteorology on coastal air quality and the structure and evolution of the coastal boundary layer. The objectives of the campaign was to: a) characterise the chemical composition of the air above and around WAO in various meteorological conditions to determine how representative the WAO observations are of the coastal region and of the air-mass origin (esp. in the case of maritime/Arctic air); b) determine the local flow patterns that can be established around WAO which may influence the redistribution of pollutants and to aid future identification of such patterns with the more limited vertical data that is routinely collected at WAO; c) identify patterns that decouple polluted layers from the surface; d) characterise the off-shore pollution sources (ship emissions, emissions from off-shore gas platforms) which impact measurements at WAO under maritime conditions; and, e) provide test cases for the one-dimensional MISTRA model of vertical profiles of trace components in the boundary layer and lower free troposphere, especially providing information about vertical exchange.

polltro_clopap logo Collection of Airborne Aircraft Measurements of Atmospheric Components Properties as part of the Polluted Troposphere, CLOud Processing of regional Air Pollution advecting over land and sea (CLOPAP) Data    Key 
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CLOud Processing of regional Air Pollution advecting over land and sea (CLOPAP) is a Natural Environment Research Council (NERC) Polluted Troposphere Research Programme project (Round 1 - NER/T/S/2002/00147 - Duration 2002 - 2005) led by Prof. Tom Choularton, University of Manchester. Data consist of the evolution of trace gases, aerosol and cloud properties of the London plume in the cloudy boundary layer.

COPS logo Collection of Airborne and Ground-Based Atmospheric Measurements as part of the Convective and Orographically-induced Precipitation Study (COPS) Project    Key 
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The Convective and Orographically-induced Precipitation Study (COPS) was an international field campaign initiated by the German Research Foundation (DFG). The objective was to identify the physical and chemical processes responsible for the deficiencies in quantitative precipitation forecasting (QPF) over low-mountain regions with the goal of improving their model representation, and thus improve forecasts. For the field experiment, a region in southwestern Germany/eastern France was selected where severe thunderstorm activity is frequent in summer with significant amounts of precipitation and risk of flash flood events, while the skill of numerical weather forecasts in the region is particularly low. This dataset includes measurements of wind speeds and wind directions and aerosol concentrations.

Collection of Airborne and Ground-based Atmospheric Measurements as part of the South AMerican Biomass Burning Analysis (SAMBBA) Project    Key 
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Data from the South AMerican Biomass Burning Analysis (SAMBBA) project. This project aims to improve the ability to: quantify and predict biomass burning and biogenic aerosol, their precursors and key processes; assess their influence on the radiative budget; and improve the knowledge of their influence on clouds through a major airborne study in Amazonia. SAMBBA combines an intensive measurement campaign using the Facility for Airborne Atmospheric Research (FAAM) aircraft based in Brazil during September 2012, ground-based observations and modelling studies.

cobra logo Collection of Airborne and Ground-based Field and Laboratory Measurements of Air-Surface Interactions Properties as part of the COBRA (impact of COmbined iodine and Bromine Release on the Arctic atmosphere) Project    Key 
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COBRA (impact of COmbined iodine and Bromine Release on the Arctic atmosphere) is a UK IPY (International Polar Year) consortium that aims to investigate the release mechanisms of iodine in the Arctic and the potential combined effects of iodine and bromine on its atmosphere. The team measured reactive inorganic halogens (BrO, IO, OIO, I2), O3, Hg, HOx, HCHO, NOx, VOCs and reactive halocarbons from temporary laboratories located on the eastern shore of Hudson Bay, north of Kuujjuarapik, during February-March 2008. Met balloons and O3 sondes were launched daily. COBRA set up an ice camp and flux chamber experiments ~500 m into the bay to directly measure halogen emissions and ozone deposition, and measured physical, chemical and biological characteristics of the sea-ice (and potentially of frost flowers) at different depths. The project is linked with OOTI, which carried out a simultaneous field experiment at Kuujjuarapik.

OP3 logo Collection of Airborne and Ground-based Meteorological Instruments Records as part of the Oxidant and Particle Photochemical Processes above a South-East Asian tropical rain forest (OP3) Project    Key 
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Oxidant and Particle Photochemical Processes above a South-East Asian tropical rain forest (OP3-Danum-08) is a 3-year Consortium Grant of the Natural Environment Research Council (NERC), beginning 1 October 2007. The objectives of the OP3 project are (i) to understand how emissions of reactive trace gases from a tropical rain forest mediate the production and processing of oxidants and particles in the troposphere, and (ii) to better understand the impact of these processes on local, regional and global scale atmospheric composition, chemistry and climate.

EASOE logo Collection of Airborne and Ground-Station Measurements of Meteorological Parameters as part of the European Arctic Stratospheric Ozone Experiment (EASOE)   
Details    

The European Arctic Stratospheric Ozone Experiment is a European Commission (EC) measurement campaign undertaken in the Northern Hemisphere winter of 1991-92 to study ozone chemistry and dynamics. The dataset contains measurements of chemical constituents (concentrations of ozone and the members of the chlorine and nitrogen families) and meteorological parameters from European ground stations and balloon and aircraft flights, and from the ground-based ozone monitoring network. This dataset is public.

urgent_gaspol logo Collection of Airborne and In-situ Measurements of Atmospheric Chemical Species and Meteorological Parameters as part of the Urban Regeneration and the Environment (URGENT) Tracers and Dispersion of GASeous POLlutants (GASPOL) Project   
Details    

Tracer and Dispersion of Gaseous Pollutants (GASPOL) is a NERC Urban Regeneration and the Environment (URGENT) Air project (GST/02/1974 - Duration: 2/9/1998 - 31/8/2001) led by Prof Peter Simmonds, University of Bristol. This project aims at characterising the dispersion of gaseous pollutants within and from cities. The methodology followed includes the determination of an effective experimental technology based on tracers release and monitoring (by gas chromatography and mass spectrometry). The dataset contains variables including atmospheric chemical species and aerosols, photolysis rates and meteorological/radiative parameters. Software, reports and recommendations to urban planners have also been issued.

BORTAS logo Collection of Airborne Atmospheric and Ground-based LIDAR Measurements from the Quantifying the impact of BOReal forest fires on Tropospheric oxidants over the Atlantic using Aircraft and Satellites (BORTAS) project    Key 
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Data from the Quantifying the impact of BOReal forest fires on Tropospheric oxidants over the Atlantic using Aircraft and Satellites (BORTAS) project provides information on the connection between the composition and the distribution of biomass burning outflow, ozone production and loss within the outflow, and the resulting perturbation to oxidant chemistry in the troposphere. To achieve this, the BORTAS team sampleD biomass burning outflow over the North Atlantic in summer 2011 the using Facility for Airborne Atmospheric Measurements (FAAM) BAe-146 aircraft and ground-based Lidar measurements. The data were then used to describe the observed chemistry within plumes and to quantify the impact of boreal fires on the North Atlantic region using a nested 3-D chemistry transport model.

polltro_ampep logo Collection of Airborne Direct Measurement of the Atmospheric Mass Budget of a range of Pollutants as part of the Polluted Troposphere, Aircraft Measurement of Chemical Processing and Export fluxes of Pollutants over the UK (AMPEP) Project    Key 
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Data from the Aircraft Measurement of Chemical Processing and Export fluxes of Pollutants over the UK (AMPEP) project within the Natural Environment Research Council(NERC) Polluted Troposphere Research Programme project (Round 1 - NER/T/S/2002/00152 - Duration 2002 - 2005). AMPEP was led by Prof. D Fowler, NERC Centre for Ecology and Hydrology. Data consist of direct measurement of the atmospheric mass budget of a range of pollutants (sulphur compounds, oxidized and reduced nitrogen, ozone and related photochemical oxidant precursors, mercury, a range of heavy metals and the main radiatively active gases) in the gas and aerosol phase in the boundary layer over the UK. These data are public.

JET2000 logo Collection of Airborne Measurements and Synoptic Observations to Analyse the African Easterly Jet (AEJ) as part of the JET2000 Project    Key 
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The African Easterly Jet (AEJ) is part of a climatic system which is of critical importance to African and global weather and climate, but is poorly observed and not well represented in model analyses. For the JET2000 project the Met Office Met Research flight (MRF) aircraft performed four flights, involving transects along and across the jet and the baroclinic zone, to make observations of unprecedented resolution for this part of the world. 110 dropsondes were dropped along the fight path. The data includes detailed synoptic observations of the basic state over mainland West Africa, and detailed synoptic observations of the African Easterly Waves (AEW) over mainland tropical West Africa.

SPADE logo Collection of Airborne Measurements of Meteorological Parameters, Atmospheric Composition and Aerosols as part of the Stratospheric Photochemistry, Aerosols and Dynamics Expedition (SPADE)   
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Data from a NASA aircraft campaign based at NASA Ames during 1992 and 1993. Data include measurements of meteorological parameters, atmospheric composition, aerosol and cloud plus GOES imagery, TOMS column ozone and photochemical model data. This dataset is public.

VIRTEM logo Collection of Aircraft Based and Laboratory Based Spectroscopic Measurements as part of the Validation of IASI (Infrared Atmospheric Sounding Interferometer) Radiative Transfer: Experiments and Modelling (VIRTEM) Project    Key 
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Validation data for the IASI (Infrared Atmospheric Sounding Interferometer) satellite instrument. IASI is a moderate resolution (0.25cm^-1) Fourier Transform spectrometer which is scheduled for flight in 2002 on the European METOP satellite. IASI is expected to deliver vertical profiles of temperature and humidity data with a resolution of 1km. VIRTEM is an EU project to validate the instrumentation and retrieval methods to be used on IASI. Data in this data set include both aircraft based and lab based spectroscopic measurements.

acsoe-oxicoa-c130 logo Collection of Aircraft Gas Photochemistry Measurements as part of the Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE)/ OXIdising Capacity of the Ocean Atmosphere (OXICOA) Testing Atmospheric Chemistry in Anticyclones (TACIA) program   
Details    

The Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) was a 5-year Natural Environment Research Council (NERC) programme on tropospheric chemistry coordinated by the University of East Anglia and involving research groups from a number of UK universities and research institutes. The project had three consortia of UK institutes and universities, each of which focused on a different scientific topic. OXICOA (OXIdising Capacity of the Ocean Atmosphere) was a study of oxidant, radical and related gas-phase chemistry in the clean and moderately polluted marine atmosphere. The Testing Atmospheric Chemistry in Anticyclone (TACIA) project as part of the ACSOE-OXICOA program was carried to collect data. The dataset was collected by the C-130 research aircraft; a former transport aircraft operated by the Meteorological Research Flight (MRF), and includes in situ trace gas photochemistry measurements.

active logo Collection of Aircraft Measurements and Ozonesondes from the ACTIVE (Aerosol and chemical transport in tropical convection) Natural Environment Research Council (NERC) funded consortium project   
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The ACTIVE (Aerosol and chemical transport in tropical convection) Natural Environment Research Council (NERC) funded consortium project, combined field measurements and a range of modelling tools at different scales to address questions related to the composition of the tropical tropopause layer (TTL). ACTIVE utilised the Australian Egrett aircraft operated by Airborne Research Australia (ARA) and the NERC Dornier 228 operated by the British Airborne Research and Survey Facility (ARSF) to measure chemical species and aerosol in the inflow and outflow of tropical storms. Cloud-scale and large-scale modelling studies assisted in the interpretation of the measurements to distinguish the different contributions to the TTL composition. The dataset contains the before-mentioned aircraft measurement as well as ozonesondes.

Collection of Aircraft Photochemical Measurements as part of the European eXport of Precursors and Ozone by long-Range Transport (EXPORT) project    Key 
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The primary objective of the European eXport of Precursors and Ozone by long-Range Transport (EXPORT) project is to characterise and quantify the photochemical air pollution both forming over Europe and being exported eastwards from Europe. The data held at BADC was collected during a co-ordinated 3 aircraft flying campaign in August 2000 based at Oberpfaffenhofen in Southern Germany. Measurements were made of many photochemical parameters including ozone, its precursors, other oxidants and both gas phase and particulate tracers in the air over Europe and that being transported eastwards out of Europe.

itop-uk logo Collection of Atmospheric Chemical Measurements and Analyses from the International Transport of Ozone and Precursors (ITOP-UK) project, part of the Upper Troposphere Lower Stratosphere (UTLS) - Ozone Directed Research program    Key 
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Study of intercontinental transport of air pollutants by means of coordinated flights over the East coast of North America, the Azores and the West coast of Europe. ITOP is a component of the International Consortium for Atmospheric Research on Transport and Transformation (ICARTT), an international initiative which coordinates the efforts of various American and European groups who have developed plans for field campaigns in the summer of 2004, with the aim of improving our understanding of the factors determining air quality over the two continents and over remote regions of the North Atlantic. The British contribution to ITOP is funded by the Natural Environment Research Council (NERC) through the Upper Troposphere Lower Stratosphere (UTLS)-Ozone Directed Research Programme. The ITOP-UK dataset includes trajectories and other forecast products calculated by John Methven (University of Reading), based on European Centre for Medium-Range Weather Forecasts (ECMWF) forecast wind fields, to support ICARTT flight planning, near-real-time chemical analyses produced by the University of Cambridge, and data collected aboard the FAAM Bae-146 aircraft in July and August 2004.

AAOE logo Collection of Atmospheric Composition and Meteorological Measurements from the Airborne Antarctic Ozone Experiment (AAOE)   
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The Airborne Antarctic Ozone Experiment (AAOE) aimed to study chemical composition and physical parameters in the Antarctic during the development of the Antarctic Ozone Hole in August and September 1987. The data is primarily that collected onboard the NASA ER-2 and DC-8 aircraft, along with ozonesonde data collected at four Antarctic stations: Halley Bay, McMurdo, Palmer Station, and the South Pole. The experiment tested the chemical and dynamical theories of the ozone hole using the aircraft data in theoretical computer models of the chemistry and dynamics of the stratosphere. The data include atmospheric composition, meteorological parameters, aerosol data and cloud data.

weybourne logo Collection of Atmospheric Physics and Chemistry Parameters from the Weybourne Atmospheric Observatory    Key 
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The Weybourne Atmospheric Observatory (WAO) is part of the School of Environmental Sciences at the University of East Anglia (UEA). It is situated on the north Norfolk coast and is a world class facility for fundemental research, background atmospheric monitoring and teaching purposes. WAO operates a range of instruments in its measurement programme - the data from which is archived at the BADC. The WAO has also been the focus of many international experiments designed to into the chemistry of the planetary boundary layer and free troposphere. WAO is an NCAS facility. The dataset contains meteorological data such as wind speed, wind direction, humidity, atmospheric pressure, solar irradiance and net irradiance, SoDAR wind profiler data, sonic anemometer data, and Chemistry data such as ozone, carbon monoxide and oxides of nitrogen gas chromatograms for measurements of VOC's and GHG's (Volatile Organic Compounds / Green-House Gases, respectively. In addition, cloud condensation nuclei measurements are available.

AASE logo Collection of Chemical and Dynamical Atmospheric Measurements from the Airborne Arctic Stratospheric Expedition (AASE)   
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The Airborne Arctic Stratospheric Expedition (AASE) which was based in Stavanger, Norway during January and February, 1989, was designed to study the production and loss mechanisms of ozone in the north polar stratospheric environment, and the effect on ozone distribution of the Arctic polar vortex and of the cold temperatures associated with the formation of Polar Stratospheric Clouds (PSC). The dataset consists of measurements of chemical and dynamical parameters collected onboard the NASA ER-2 and DC-8 aircraft (for example, ClO, BrO, HCl, O3, NOx, N2, HNO3 and CH4, whole air samples and aerosol measurements). In addition, there are ozonesonde soundings from three stations (Angmagssalik and Scoresbysund, Greenland, and Lerwick, U.K.), aerosol and temperature profiles from NASA’s SAM II satellite, and selected radiosonde soundings from stations in the region of the experiment.

namblex logo Collection of Chemical and Meteorological Atmospheric Measurements as part of the North Atlantic Marine Boundary Layer EXperiment (NAMBLEX)   
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The North Atlantic Marine Boundary Layer Experiment (NAMBLEX) campaign was conducted at Mace Head in Ireland from 24 July 2002 to 3 September 2002. The data consists of chemical and meteorological atmospheric measurements, model data and trajectories from a number of instruments, including several from the Universities Facility for Atmospheric Measurements (UFAM). The BADC is the primary archiving and distribution data centre for NAMBLEX.

quest_gsi logo Collection of Climate Scenarios to Assess the Worldwide Consequences of Climate Change as part of the Quantifying and Understanding the Earth System (QUEST) Global Scale Impacts of Climate Change (GSI) project   
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Data from the Quantifying and Understanding the Earth System (QUEST) Global- scale impacts of climate change (GSI) project. This was an integrated multi-sectoral assessment under QUEST Theme 3 (The implications of global environmental changes for the sustainable use of resources). QUEST GSI was led by Nigel Arnell (University of Reading) with co-investigators from the Universities of Aberdeen, Leeds, University of East Anglia, Edinburgh, Southampton, University College London, London School of Hygiene and Tropical Medicine, Centre for Ecology & Hydrology and Centre for Environment, Fisheries and Aquaculture Science. Dataset comprises of detailed geographically-explicit assessments of specific climate scenarios or climate policies, using a suite of linked models, and the more rapid assessment of a very large number of climate outcomes using regionalized functions relating climate impact to indices of climate forcing.

SOAPEX-2 logo Collection of Concentrations of Atmospheric Constituents Measurements as part of the Southern Ocean Atmospheric Photochemistry Experiment 2 (SOAPEX-2)   
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Southern Ocean Atmospheric Photochemistry Experiment 2 (SOAPEX-2) is primarily an experiment to study atmospheric cleansing by free radicals in extremely clean and slightly perturbed tropospheric air and focuses on a field campaign carried out at Cape Grim, Tasmania in January-February 1999. The dataset contains concentrations of atmospheric constituents such as halocarbons, hydrocarbons, methane, nitric oxide, and carbon monoxide. This dataset is public.

GEDEX logo Collection of Global Climate Change Datasets as part of the Greenhouse Effect Detection Experiment (GEDEX)   
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The objective of the Greenhouse Effect Detection Experiment (GEDEX) was to assemble and document existing data for the analysis of global climate change and to distribute these data to promote further research.Data from GEDEX comprises of a collection of 60+ global climate change datasets assembled on a NASA CD-ROM. Data include surface, upper air and satellite measurements of temperature, solar irradiance, clouds, greenhouse gases, fluxes, albedos, ozone and water vapour plus Southern Oscillation indices and QBO statistics. Specific datasets include the Earth Radiation Budget Experiment (ERBE), the Advanced Very High Resolution Radiometer (AVHRR), the Stratospheric Aerosol and Gas Experiment (SAGE I and II), the TIROS Operational Vertical Sounder (TOVS), Visible Infrared Spin Scan Radiometer (VISSR) and the International Satellite Cloud Climatology Project (ISCCP). Resolution and timespan varies with dataset. This dataset is public.

TOMS_OMI logo Collection of Global Daily Gridded Averaged of Total Column Ozone, Aerosol and Reflectivity Images from the Total Ozone Mapping Spectrometer (TOMS) and Ozone Monitoring Instrument (OMI)   
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The Total Ozone Mapping Spectrometer (TOMS) is an instrument built and operated by the National Aeronautics and Space Administration (NASA). The instrument uses backscattered ultraviolet radiance to infer total column ozone measurements. The dataset consists of daily gridded averages of total ozone covering the entire globe, in the form of images, from NASA NIMBUS 7, Meteor-3, Earth Probe and ADEOS satellites. Data is from 1978 to 2006. The Ozone Monitoring Instrument (OMI) on the AURA spacecraft, OMI data of ozone are now available for the entire OMI mission. In addition to ozone data, OMI data for aerosol and reflectivity are available. These datasets are public.

sage2 logo Collection of Global Profiles of Aerosol Extinction, Temperature, Ozone, Nitrogen Dioxide and Water Vapour as part of the Stratospheric Aerosol and Gas Experiment II (SAGE II)    Key 
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Data from the Stratospheric Aerosol and Gas Experiment II (SAGE II), an instrument on board the Earth Radiation Budget Satellite (ERBS) which used the solar occultation technique to measure global profiles of aerosol extinction, temperature, ozone, nitrogen dioxide and water vapour in the stratosphere and upper troposphere. Version 1 of the data consist of monthly mean global image maps and associated gridded data for the period 1985-1993. Version 6.1 contains INDEX and SPEC files for the period October 1984 to July 2000. Version 6.2 is available for the period October 1984 to August 2005. Access to this dataset is partially restricted.

sage3 logo Collection of Global Profiles of Aerosols and Clouds, Ozone, Nitrogen Dioxide and Water Vapour as part of the Stratospheric Aerosol and Gas Experiment III (SAGE III)    Key 
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Data from the Stratospheric Aerosol and Gas Experiment III (SAGE III) instrument on board a Meteor-3M spacecraft, launched on December 10, 2001. Routine measurement operations began in March 2002 until the SAGE III mission was terminated in March 2006. The specific measurement objectives of SAGE III provide 1 km vertical resolution profiles of: aerosols and clouds at seven wavelengths from the mid-troposphere into the stratosphere and where appropriate, the mesosphere; O3 from the mid-troposphere to 85 km; H2O from the planetary boundary layer to 50 km; NO2 from the tropopause to 45 km; NO3 from 20 to 55 km; OClO from 15 to 25 km; and, O2 from the mid-troposphere to 70 km.

HALOE logo Collection of Global Stratospheric and Mesospheric Profiles of Pressure, Temperature and Chemical Composition from the Halogen Occultation Experiment (HALOE)    Key 
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The Halogen Occultation Experiment (HALOE) is one of 10 instruments aboard the Upper Research Satellite (UARS), which used solar occultation technique to measure global stratospheric and mesospheric profiles of pressure, temperature, O3, HCl, HF, CH4, H2O, NO, NO2 and aerosol extinction. The dataset contains approximately 30 sunset and sunrise profiles per day between 80S and 80N from October 1991 to 1994. Data are level 2 products i.e. profiles at actual measurement location and not interpolated in horizontal. Data are version 19. Access permission required for Level 2 data so that PI can monitor usage of data. Level 3 data is public.

TOMS - CDs logo Collection of Global Total Column Ozone Measurements from the Total Ozone Mapping Spectrometer (TOMS) - CD-ROM's (version 7)   
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Data from the Total Ozone Mapping Spectrometer (TOMS), which used backscattered ultraviolet radiance to infer total column ozone measurements (gridded daily for the entire globe). These CD-ROM's (version 7) cover the operation of the TOMS instruments on the Meteor-3 and Nimbus-7 satellites, over the period November 1978 to December 1994. This dataset is public.

polltro_torch logo Collection of Ground-based Atmospheric Components Measurements as part of the Polluted Troposphere, Tropospheric ORganic CHemistry Experiment (TORCH) Data   
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Tropospheric ORganic CHemistry Experiment (TORCH) is a Natural Environment Research Council (NERC) Polluted Troposphere Research Programme project (Round 1 - NER/T/S/2002/00145. Duration 2002 - 2005) led by A. Lewis, University of York. Data consist of aerosol number and size distribution, Aerosol composition, Local meteorology, and 5 and 10 day back trajectories. Also included are tropospheric concentrations of O3, CO, NO, NO2, C2-C8 hydrocarbons, C1-C4 oxygenated hydrocarbons, PAN, Peroxides (Organic and Inorganic), Organic nitrates, and OH and HO2 radicals, the sum of RO2 + HO2 radicals, OH chemical lifetime, and Photolysis frequencies.

urgent_phytox logo Collection of ground-based, airborne, and in-situ records and Model Outputs as part of the Urban Regeneration and the Environment (URGENT), PHYsicochemistry and TOXicity (PHYTOX) Project   
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Airborne Particulate Pollutants: PHYsicochemistry and TOXicity (PHYTOX) is a Natural Environment Research Council (NERC) Urban Regeneration and the Environment (URGENT) Air project (GST/02/2222 - Duration: 1/10/1998 - 30/9/2001) led by Prof Roy Richards, University of Wales, Cardiff. The dataset contains in situ ground based measurements in urban and suburban areas but also include observations from aircraft, lab measurements and model results. Retrieved variables include atmospheric chemical species and aerosols, photolysis rates and meteorological/radiative parameters. Software, reports and recommendations to urban planners have also been issued.

free_quantifying logo Collection of Historical Rainfall Data and Maps from the Quantifying Flood Risk of Extreme Events using Density Forecasts Based on a New Digital Archive and Weather Ensemble Predictions Project, Part of the Flood Risk for Extreme Events (FREE) Research Programme   
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The Quantifying Flood Risk of Extreme Events using Density Forecasts Based on a New Digital Archive and Weather Ensemble Predictions Project is a Natural Environment Research Council (NERC) Flood Risk for Extreme Events (FREE) Research Programme project (Round 1 - NE/E002013/1 - Duration January 2007 - December 2008) led by Dr Patrick McSharry, University of Oxford. The dataset contains a collection of rainfall depth maxima data, dating back to 1860, plus associated description documents and rainfall maps of extreme events across the UK, have been used. All of these products have been digitised from the paper version of the British Rainfall publication, and are now archived at the BADC to enable easy access for future use and the wider community.

ASHOE_MAESA logo Collection of in-situ Airborne and Ground-based and Remotely Sensed Atmospheric Measurements from the combined experiment: Airborne Southern Hemisphere Ozone Experiment (ASHOE) / Measurement for Assessing the Effects of Stratospheric Aircraft (MAESA)   
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Airborne Southern Hemisphere Ozone Experiment and Measurements for Assessing the Effects of Stratospheric Aircraft (ASHOE/MAESA) was a combined experiment which was conducted in four phases between March and November 1994 at NASA Ames Research Center, California; Barbers Point, Hawaii; and Christchurch, New Zealand. The data consist of in situ and remotely sensed measurements collected onboard the NASA ER-2 aircraft (including O3, H2O, N2O, CO2, CH4, CO, H2, SF6 and a wide range of CFCs); radiosonde, ozonesonde, and backscatter sonde balloon measurements; ground-based spectrometer and lidar measurements; and SAGE II satellite measurements. Theory teams provided calculations of: meteorological parameters in the form of partial hemispheric analyses, cross-sections along the ER-2 flight track, interpolations to the ER-2 flight path, and back- trajectories of selected parcels along the ER-2 flight path; photodissociation rates of selected chemical species along the ER-2 flight path; and cloud properties along the ER-2 flight track.

gdfex logo Collection of In-situ Observations of High-impact Weather Systems and Their Associated Air-sea Fluxes in the Coastal Seas of Greenland as part of the Greenland Flow Distortion EXperiment (GFDex) Project    Key 
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The Greenland Flow Distortion EXperiment investigates the role of Greenland in defining the structure and the predictability of both local and downstream weather systems, through a programme of aircraft-based observation and numerical modelling. The Greenland Flow Distortion Experiment (GFDex) will provide some of the first detailed in situ observations of the intense atmospheric forcing events that are thought to be important in modifying the ocean in this area (but are presently poorly understood): namely tip jets, barrier winds and mesoscale cyclones. The dataset contains rare in situ observations of high-impact weather systems and their associated air-sea fluxes in the coastal seas of Greenland.

isb52 logo Collection of LIDAR Data and Reports as part of the Improved Air Quality Forecasting (ISB52) Project   
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This dataset contains data from the ISB52 Improved Air Quality Forecasting project. The aim of the project was to develop a better understanding of air flow within the atmospheric boundary layer by gathering 3-dimensional air flow information using two identical Doppler lidars. The project compared parameters derived from the dual Doppler lidar measurements with inputs used in the UK Met Office air quality forecasting model. Field experiments were undertaken in March 2003 at Malvern and in July 2003 at RAF Northolt, West London, UK.

GLOSS logo Collection of Marine Observations from the Global Sea Level Observing System (GLOSS) Project   
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The Global Sea Level Observing System (GLOSS) is an international programme co-ordinated by the Intergovernmental Oceanographic Commission (IOC) for the establishment of high quality global and regional sea level networks for application to climate, oceanographic and coastal sea level research. The programme became known as GLOSS as it provides data for deriving the 'Global Level Of the Sea Surface'; a smooth level after averaging out waves, tides and short-period meteorological events. The main component of GLOSS is the Global Core Network (GCN) of 308 sea level stations around the world, which are maintained by 87 countries. This dataset is public.

Collection of Met Office Hadley Centre Climate Simulations Data as part of the Climate Impacts LINK Project    Key 
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This dataset contains output data from a number of models from the UK Met Office Hadley Centre which was processed into text files at the Climate Research Unit at the University of East Anglia. The data extraction was intended for use by the Climate Impacts Community (and was funded by the UK Departement of Environment Food and Rural Affairs, Defra). Output from each model is stored in a separate directory in the BADC archive, and the majority of the data comes from experiments performed using the Hadley centre Coupled Model, Version 3 (HadCM3). Note that is dataset is kept for historical purposes only. More consistent and complete HadCM3 data is available from the main British Atmospheric Data Centre (BADC) HadCM3 archive.

chablis logo Collection of Meteorological and Atmospheric Chemistry Field Measurements taken during the Chemistry of the Antarctic Boundary Layer and the Interface with Snow (CHABLIS) project   
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Chemistry of the Antarctic Boundary Layer and the Interface with Snow (CHABLIS) is a Natural Environment Research Council (NERC) and Antarctic Funding Initiative (AFI) funded project, aimed at studying the chemistry of the Antarctic Boundary Layer in greater detail, and for a longer duration, than has previously been attempted. Field measurements were carried out at the British Antarctic Survey station, Halley, at the Clean Air Sector Laboratory (CASLab). Year-round measurements began in February 2004, and a summer campaign focussing on oxidants ran during January/February 2005, after which CHABLIS fieldwork ended. The dataset includes mixing ratios (Ozone, CO, HCHO, NO2, and HONO), accumulation and isotope (Na, K, Mg, Ca, F, CH4, Cl, and NO3) concentrations of snow, and meteorological measurements (relative humidity, visibility, dew point, wind speed, and wind direction). Access to this dataset is now public.

csip logo Collection of Meteorological Measurements as part of the Convective Storm Initiation Project (CSIP)    Key 
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The Convective Storm Initiation Project (CSIP) aimed to further the understanding of the mechanisms responsible for the initiation of precipitating convection in the maritime environment of southern England; i.e. to understand why convective clouds form and develop into precipitating clouds in a particular location. The project was centred on the 3 GHz (CAMRa) and 1275 clear-air (ACROBAT) radars at Chilbolton and used a number of the new UK Universities' Facility for Atmospheric Measurement (UFAM) mobile instruments. This dataset includes measurements of wind speeds and wind directions and aerosol concentrations.

mamm logo Collection of Methane and Other Greenhouse Gases Measurements, Numercial Analysis and Modelling Output Data from the Methane and other greenhouse gases in the Arctic - Measurements, process studies and Modelling (MAMM) program    Key 
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The Methane and other greenhouse gases in the Artic - Measurements, process studies and Modelling (MAMM) project is a consortium as part of the NERC Artic Research Programme. THis consortium brings a range of expertise, from measurements of methane and its isotopes, and other greenhouse gases, through flux measurements to numerical analysis and modelling. The duration of the project is 42 months starting in October 2011. The project is led by the University of Cambridge, and in association with the University of Manchester, University of East Anglia, Royal Holloway, university of London, Centre for Ecology and Hydrology and UK and International partners (Met Office, NILU, NOAA, etc).

bolton logo Collection of Microwave, Raingauge and Radar data from the Bolton Experiment   
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The Bolton Experiment was an experimental test of the use of microwave attenuation to improve rainfall estimates in urban areas, and hence to enhance flood warning. Data was collected from microwave and radar links and a number of telemetered tipping bucket raingauges. The dataset contains microwave, raingauge and radar data. It also contains data analysis to extract information from the link attenuation data on path-averaged rainfall rate, and comparison with the results with those obtained from the raingauges and the radar. The dataset is now public.

ASSIMATMOS logo Collection of Middle Atmospheric Assmiliated Data from the Reading Assimilated Atmospheric Satellite, part of the Assimilation of Remote-sensed Data for Applications in the Atmospheric and Oceanographic Sciences (ARDAAOS) program   
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The Reading Assimilated Atmospheric Satellite Data presents an analyses of stratospheric and tropospheric temperature, ozone and water vapour incorporating data from research satellites and operational observations, assimilated with the Hadley Centre Atmospheric Model (HADAM3) configuration of the Unified Model (UM). This data set includes 3-D global fields for selected periods of time in the 1990s and is produced as part of the Assimilation of Remote-sensed Data for Applications in the Atmospheric and Oceanographic Sciences (ARDAAOS) Natural Environment Research Council (NERC) thematic programme.

COAPEC logo Collection of Monthly Means of Atmospheric and Oceanic Model Data from the Coupled Ocean Atmosphere and European Climate (COAPEC) programme    Key 
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The Coupled Ocean Atmosphere and European Climate (COAPEC) is a NERC thematic programme designed to examine the variability of the Earth's climate. The goal of COAPEC is to determine the impact on climate, especially European climate, of the coupling between the Atlantic Ocean and the atmosphere. The British Atmospheric Data Centre (BADC) is the primary distribution data centre for COAPEC. Data sets available under COAPEC include 100 years (2079 - 2178) monthly means of all atmospheric and oceanic fields derived from the control run of the Hadley Centre HadCM3 model, 50 years (1950-2000) of MOM (GFDL Modular Ocean Model) data, output from the 100 year HadCM3 control integration produced using UM4.5 on the BADC Beowulf Cluster, and surface flux climatology data from the Southampton Oceanographic Centre (SOC).

acsoe-oxicoa-freetex logo Collection of Ozone and Oxidant Measurements as part of the Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE)/ OXIdising Capacity of the Ocean Atmosphere (OXICOA) Free Troposphere Experiments (FREETEX-96 and FREETEX-98)   
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The Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) was a 5-year Natural Environment Research Council (NERC) programme on tropospheric chemistry coordinated by the University of East Anglia and involving research groups from a number of UK universities and research institutes. The project had three consortia of UK institutes and universities, each of which focused on a different scientific topic. OXICOA (OXIdising Capacity of the Ocean Atmosphere) was a study of oxidant, radical and related gas-phase chemistry in the clean and moderately polluted marine atmosphere. The FREETEX (Free Troposphere Experiment) campaigns as part of ACSOE-OXICOA were carried to collect data. The dataset includes measurements of ozone (O3, NOx, NOy, HNO3, PAN, CO, HO2 + RO2, HCHO, VOCs, etc.), at the Jungfraujoch High Alpine Research Station (3,580m above sea level) over a five-week period in 1996 and again in 1998.

acsoe-oxicoa-ozprof logo Collection of Ozone Profile Data from Aberystwyth as part of the Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE)/ OXIdising Capacity of the Ocean Atmosphere (OXICOA) Ozone Profile Experiment (OZPROF)   
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The Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) was a 5-year Natural Environment Research Council (NERC) programme on tropospheric chemistry coordinated by the University of East Anglia and involving research groups from a number of UK universities and research institutes. The project had three consortia of UK institutes and universities, each of which focused on a different scientific topic. OXICOA (OXIdising Capacity of the Ocean Atmosphere) was a study of oxidant, radical and related gas-phase chemistry in the clean and moderately polluted marine atmosphere. The Ozone Profile Experiment (OZPROF) as part of ACSOE-OXICOA was carried to collect data. The dataset contains ozone profiles data from Aberystwyth (ozonesondes and LIDAR) for the period 1996 to 1998.

SAM II logo Collection of Polar Arctic and Antarctic Aerosol Extinction Profiles as part of the Stratospheric Aerosol Measurement II (SAM II)   
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Dataset contained 14 years of polar Arctic and Antarctic aerosol extinction profiles obtained from the Stratospheric Aerosol Instrument II (SAM II) on the NIMBUS 7 satellite. NMC temperatures, pressure and equivalent altitudes also provided. Daily data for sunsets and sunrises are available for a 14 year period 1978-93. SAM II is a public dataset.

HYREX logo Collection of Radar, Raingauge and Model Forecast data on the Brue catchment in Southwest England as part of the Hydrological Radar Experiment (HYREX)    Key 
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HYREX (Hydrological Radar Experiment) was a NERC (Natural Environment Research Council) special topic running from May 1993 to April 1997. Field experiments with an emphasis on radar, plus related interpretation and modelling, were carried out to investigate the short term forecasting and hydrological implications of precipitation. A special purpose-built dense rainguage network was established in Somerset as part of the project. Rainguage, radar and related meteorological data plus forecast data from the Met Office Unified Model are available through BADC.

ERBE logo Collection of Radiation Data and Colour Images from the Earth Radiation Budget Experiment (ERBE)   
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The Earth Radiation Budget Experiment (ERBE) instrument aboard the NASA Earth Radiation Budget Satellite (ERBS) was launched from the Space Shuttle Challenger in October 1984 (STS-41G). The ERBE instrument's main aim was to provide accurate measurements of incoming solar energy and shortwave and longwave radiation reflected or emitted from the Earth back into space. The dataset contains colour images (shortwave/longwave/net radiation, albedo, clear-sky albedo, clear-sky shortwave/longwave/net radiation, and shortwave/longwave/net cloud forcing) from scanning radiometers on the three ERBE satellites and for combined satellite cases. Monthly average values are included for the time periods during which the scanners were operational. This dataset is public.

SRB logo Collection of Remote-sensed Surface Radiation Budget (SRB) Shortwave Products   
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This dataset contains Version 1.1 Surface Radiation Budget (SRB) shortwave products for the period from March 1985 until December 1988 as produced by the World Climate Research Programme's (WCRP) SRB Satellite Data Analysis Center (SDAC). The data are derived from results from the International Satellite Cloud Climatology Project (ISCCP) and the Earth Radiation Budget Experiment (ERBE).

GOSTAplus CD-ROM logo Collection of Sea Surface Temperature and Sea Ice Coverage Data and Maps as part of the Global Ocean Surface Temperature Atlas Plus (GOSTAplus)    Key 
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The Global Ocean Surface Temperature Atlas Plus (GOSTAplus) contains maps of Sea Surface Temperature (SST) climatologies and anomalies, Night Marine Air temperature climatologies and anomalies and Sea Ice coverage spanning the period 1851-1995. Dataset includes gridded, global SSTs from 1951-1990 and Sea Ice coverage from 1903 to 1994. The data are provided by the Met Office. Updated version of some data also available on request.

NDACC logo Collection of Stratospheric Chemical Species and Parameters Derived from Instruments Operated at Ground Stations around the World as part of the Network for the Detection of Atmospheric Composition Change (NDACC formerly known as NDSC)    Key 
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The Network for the Detection of Atmospheric Composition Change (NDACC), formely known as the Network for the Detection of Stratospheric Change (NDSC), is a set of high quality, remote-sounding research stations for observing and understanding the physical and chemical state of the stratosphere. These stations, where ozone and key ozone-related parameters are measured, are complemented by both secondary stations and satellite measurements. Following five years of planning, instrument design and implementation, the NDACC began network operations in January 1991. The dataset contains high quality measurements of a wide range of stratospheric chemical species and parameters derived from instruments operated at a number of ground stations around the world.

amma logo Collection of Sub-Saharan West Africa Ground-based Observation Station Records of Heat Flux, Carbon Dioxide and Water Vapour Fluxes and Concomitant Meteorological Measurements as part of the African Monsoon Multidisciplinary Analysis (AMMA) Program    Key 
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An international long-term collaboration to study the climatic and environmental feedback mechanisms involved in the African monsoon, and in some of its consequences on society and human health. The programme, which started in 2004, has developed a network of ground-based observation stations over Sub-Saharan West Africa to measure heat flux and, for some stations, CO2 and H2O vapour fluxes. Files also include concomitant meteorological measurements (wind, temperature, pressure, humidity, rainfall) and soil physics parameters (soil temperature and moisture). The UK branch of AMMA makes use of several instruments provided by the UK Universities Facility for Atmospheric Measurement (UFAM) which are centred on the Niamey meso-site. The Facility for Airbourne Atmospheric Measurements (FAAM) aircraft was used during the July-August 2006 campaign.

tree_sulphur_var logo Collection of Sulphur Concentrations within Tree Rings Data from the NERC Research Mode 2010 "Interrogating Trees as Archives of Environmental Sulphur Variability" Project    Key 
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The "Interrogating Trees as Archives of Environmental Sulphur Variability" project will test three possible methods which could be used to extract information on sulphur concentrations within tree ring archives of environmental change. The results of the successful methods tested will be presented as a useful series of data records showing pollution records (sulphur concentrations) stored within tree rings. This is a NERC funder project.

polltrop_ions logo Collection of Surface Level Atmospheric Measurements of Background Ion Production rates and Small Ion Concentrations as part of the Polluted Troposphere, Ionisation as a Precursor to Aerosol Formation Project   
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Ionisation as a precursor to aerosol formation is a Natural Environment Research Council (NERC) Polluted Troposphere Research Programme project (Round 1 - NER/T/S/2002/00150 - Duration 2002 - 2005) and is led by Dr RG Harrison, University of Reading. Data consist of surface level measurements of background ion production rates and small ion concentrations. This dataset is now public.

STEP logo Collection of Trace Gases and Aerosol Measurements as part of the Stratosphere-Troposphere Exchange Project (STEP)   
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Data from the NASA/NOAA aircraft campaign based in Darwin, Australia in January and February 1987. Designed to investigate mechanisms of equatorial stratosphere-troposphere exchange. Measurements include trace gases and aerosol in cloud free and cloud dominated conditions. This dataset is public.

snow_veg_atm logo Collection of Vegetation and Meteorological Observations from the NERC Research Mode 2010 Snow-Vegetation-Atmosphere Interactions over Heterogeneous Landscapes Project    Key 
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Vegetation and meteorological observations (snow and radiation) were collected by various ground instruments in an area of forest near Abisko (Sweden) and Sodankylä (Finland) during measurement campaigns in March 2011 and March 2012. This data is made available through the BADC. This is a NERC funded project.

MLS on uars logo Collection of Vertical Profiles of Chlorine Monoxide (ClO), Ozone (O3), Water Vapour (H2O), Sulphur Dioxide (SO2) and Derived Atmospheric Temperature Data from the Microwave Limb Sounder (MLS L3) Instrument on-board the Upper Atmosphere Research Satellite (UARS)   
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The Microwave Limb Sounder (MLS) is an instrument on board the Upper Atmosphere Research Satellite (UARS) which measured global ClO, O3, H2O, temperature and SO2. Data are version 4 and public (gridded in time or latitude along the satellite track) between 80S - 80N, approximately 10-60 km in the vertical, from October 1991 to June 1997.

ISAMS logo Collection of Vertical Profiles of Temperature and Atmospheric Constituents from the Improved Stratospheric and Mesospheric Sounder (ISAMS)   
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The Improved Stratospheric and Mesospheric Sounder (ISAMS) measured vertical profiles of temperature and a number of atmospheric constituents. An instrument on board UARS (Upper Atmosphere Research Satellite) measured global stratospheric and mesospheric temperature, CO, H2O, CH4, O3, HNO3, N2O5, NO2, N2O and aerosol extinction. Gridded, global measurements between 80S and 80N, October 1991 - July 1992. Data include level 2 and 3A product (gridded in time or latitude along the satellite track). Data are version 9/10 for Level 3 and version 8 for Level 2. ISAMS data is public.

LIMS logo Collection of Vertical Profiles of Temperature and Concentration of Ozone, Water Vapour, Nitrogen Dioxide, and Nitric Acid from the Limb Infrared Monitor of the Stratosphere (LIMS) Instrument   
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Infrared radiances from the Limb Infrared Monitor of the Stratosphere (LIMS) instrument, mounted on the Nimbus-7 satellite, were stored on a Radiance Archive Tape (RAT). RAT data was used to derive a series of products, two of which are held here. Firstly, the LIMS Inverted Profile Archival Tape (LAIPAT). This dataset contains radiances (from RAT), which are used to derive daily inverted profiles of temperature, and mixing ratios, water vapour, nitric acid, and nitrogen dioxide. Profiles are geolocated. Secondly, the LIMS Map Archival Tape (LAMAT). This dataset is processed to create daily maps in the form of Fourier coefficients for each parameter at 18 pressure levels (from 0.05 to 100 mbar). Data are organised into 38 4 deg. latitude bands. Data for the daily maps are interpolated to the two synoptic time (0000 GMT for night and 1200 GMT for day). Also included is the day/night combined (averaged) data. This dataset is public. Please note that a major reprocessing of the Nimbus 7 LIMS data has recently been completed. The purpose of this activity is to take advantage of the changes in the spectral line parameters that have occurred since the original archived version was created and to generate a data version that is compatible with the UARS data sets. Improvements in the algorithm have also been made. More information is available from the LIMS homepage at http://lims.gats-inc.com/ and version 6 data can be downloaded from GES DAAC.

urgent_profil logo Collection of Vertical Profiles of Wind, Temperature, Turbulence, Sensible Heat, Aerosol and Trace-Gas Concentrations and Fluxes within the Urban Boundary Layer (PROFIL) project, part of the Urban Regeneration and the Environment (URGENT) Program   
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An Instrumented Aircraft Facility to Provide Vertical Profiles of Wind, Temperature, Turbulence, Sensible Heat, Aerosol and Trace-Gas Concentrations and Fluxes within the Urban Boundary Layer for PUMA (Pollution in Urban Midlands Atmospheres). Consortia Model Validation (PROFIL) is a NERC Urban Regeneration and the Environment (URGENT) Air project (GST/02/2225 - Duration: 1/04/1999 - 31/3/2002) led by Dr Martin Gallagher, University of Manchester.

cryostat logo Combined Measurements of Greenhouse Gases, Ozone-depleting Substances and Related Trace Gases in Contiguous Firn and Ice Profiles as part of the CRYOspheric STudies of Atmospheric Trends (CRYOSTAT) Project   
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The CRYOspheric STudies of Atmospheric Trends in stratospherically and radiatively important gases (CRYOSTAT) will undertake the first combined measurements of virtually all significant Greenhouse gases (GHGs)(other than water vapour), ozone-depleting substances (ODSs), and related trace gases in contiguous firn and ice profiles, spanning as much as 200 years, from both the northern and southern polar ice caps. The dataset contains concentrations of isotopes (CH4, N20, CO, CO2, N20, SF6, CH3Br, halocarbons, and hydrocarbons) in firn, N2O concentrations in ice, ice core density, firn diffusivity, and weather measurements. CRYOSTAT is an evolution of the FIRETRACC/100 project, the data from which is also held at BADC.

CLAES logo Cryogenic Limb Array Etalon Spectrometer (CLAES L3) measurements of vertical temperature profiles and atmospheric particle concentrations   
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The Cryogenic Limb Array Etalon Spectrometer (CLAES) measured vertical profiles of temperature and concentrations of ozone, methane, water vapor, nitrogen oxides, and other important species, including CFCs, in the stratosphere. CLAES also maps the horizontal and vertical distributions of aerosols in the stratosphere. These measurements are analyzed to better understand the photochemical, radiative, and dynamical processes taking place in the ozone layer. The dataset contains measured global temperature, pressure, O3, H2O, CH4, N2O, NO, NO2, N2O5, HNO3, ClONO2, CFCl3, CF2Cl2 and aerosol extinction measurements. Data are level 3A product (gridded in time and latitude along the satellite track) between 80N - 80S, 10-60 Km, October 1991 - May 1993. This dataset is public.

adriex logo Data Collected by the Facility for Airborne Atmospheric Measurements (FAAM) for the Aerosol Direct Radiative Impact Experiment (ADRIEX)    Key 
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The Aerosol Direct Radiative Impact Experiment (ADRIEX) is a joint UK Met Office/Natural Environment Research Council (NERC)/UK Royal Society/University of Oslo project aiming at improving our understanding of the radiative effects of anthropogenic aerosol and gases (ozone and methane) in the troposphere. The project is based on an airborne field campaign (August-September 2004) using the Facility for Airborne Atmospheric Measurements (FAAM) aircraft. The flights were based in Treviso (Italy) and covered areas over Northern Italy, the Adriatic Sea and between Northern Italy and the West coast of the Black Sea. The ADRIEX archive includes forecast trajectories and other products to support ADRIEX flight plans (computed using European Centre for Medium-Range Weather Forecasts (ECMWF) wind fields) and Aerosol Concentrations collected aboard the FAAM Bae-146 aircraft in August and September 2004.

cast logo Data Collection from the Co-ordinated Airborne Studies in the Tropics (CAST) project    Key 
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The CAST dataset contains data produced by the the NERC Co-ordinated Airborne Studies in the Tropics (CAST) project. CAST is a collaborative initiative with NASA's Airborne Tropical Tropopause Experiment (ATTREX) programme to study the Tropical Tropopause Layer (TTL) over the Pacific Ocean and South East Asia. Data includes airborne measurements made by the FAAM (Facility for Airborne Atmospheric Measurements) BAe-146 aircraft whilst deployed in Guam in Jan/Feb 2014 during coordinated flights with NASA's Global Hawk making corresponding in situ measurements in the TTL over the West Pacific. In addition to these in situ aircraft measurements, the dataset comprises balloon-based measurements of ozone and ground-based ozone, CO2, CH4, CO and very short-lived halogen species. A complementary group of regional high resolution models, global composition models and a global cirrus model will also be used to address fundamental questions related to atmospheric composition, radiation and transport.

Data from the ACCACIA -Aerosol-Cloud Coupling And Climate Interactions in the Arctic project   
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Airborne and model data collected during the ACCACIA - Aerosol-Cloud Coupling And Climate Interactions in the Arctic project involving the FAAM BAe-146 and BAS-Masin aircraft. This project is part of the NERC Arctic research programme. (NERC Reference: NE/I028858/1).

acsoe-ace-hillcloud logo Data from the Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE)/Aerosol Characterisation Experiment (ACE) collected by the HILLCLOUD-96 and 98 Experiments   
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The Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) was a 5-year Natural Environment Research Council (NERC) programme on tropospheric chemistry coordinated by the University of East Anglia and involving research groups from a number of UK universities and research institutes. The project had three consortia of UK institutes and universities, each of which focused on a different scientific topic. The Aerosol Characterisation Experiment (ACE) aim was to determine and understand the properties and controlling factors of aerosol in the anthropogenically modified atmosphere of the North Atlantic, and to assess their relevance to radiative forcing. The data was collected as part of the HILLCLOUD-96 and 98 experiments, where a hill cap cloud which forms over a ridge on the north east of the island of Tenerife was used as a natural flow through reactor. The dataset contains the size distribution, size dependent chemical composition and hygroscopic properties of the marine and modified continental aerosol arriving at the North coast of the island.

cwvc - emerald logo Data from the Egrett Microphysics Experiment, with Radiation, Lidar and Dynamics campaigns (EMERALD-1 and EMERALD-2), part of the Clouds, Water Vapour and Climate (CWVC) programme   
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The EMERALD projects were airborne measurement campaigns designed to study dynamical, microphysical and infra-red radiative properties of cirrus clouds, using both in-situ and remote measurement techniques. The dataset contains static air temperature, static air pressure, relative humidity, water vapour mixing ratio, and ozone mixing ratio. These data are part of the NERC Clouds, Water Vapour and Climate (CWVC) programme.

urgent_urbmet logo Data from Universities Weather Research Network (UWERN) Urban Meteorology Programme (URBMET) projects, part of the Natural Environment Research Council (NERC) Urban Regeneration and the Environment (URGENT) project.   
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Universities Weather Research Network (UWERN) Urban Meteorology Programme (URBMET) is a Natural Environment Research Council (NERC) Urban Regeneration and the Environment (URGENT) Air project (GST/02/2231 - Duration: 1/01/1999 - 30/6/2002) led by Dr Stephen Belcher, University of Reading. Datasets include wind tunnel model data from the University of Reading and the University of Surrey, and atmospheric chemical species and aerosols, photolysis rates and meteorological/radiative parameters.

utls_era40 logo ECMWF ERA 40 reanalysis and satellite water vapour and ozone fields used in evaluation of the ERA 40 data for use in the Upper Troposphere Lower Stratospher (UTLS) programme   
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Evaluation of the Ozone and Water Vapour Datasets of the 40-Year European Re-analysis of the Global Atmosphere Upper Troposphere Lower Stratosphere (UTLS) Round 2 project led by Prof. A. O Neill, Dr W. Lahoz and Prof. B. Hoskins, Centre for Global Atmospheric Modelling, Department of Meteorology, University of Reading. The dataset contains three dimensional ozone and water vapour datasets from the European Centre for Medium-Range Weather Forecasts (ECMWF) analyses, together with error statistics on the reliability of the fields.

ECMWF Trajectories logo Ensemble of 5 Day Air Parcel Back Trajectories Computed by the European Centre for Medium Range Weather Forecasting (ECMWF)    Key 
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Datasets of 5 day back trajectories have been computed on a routine basis using analyses from the European Centre for Medium Range Weather Forecasting (ECMWF). The three components of the wind and surface pressure over three launch grids covering the UK, the mid-Atlantic storm track region and the eastern USA, plus back trajectories from field campaign instrument sites were used to output datasets consisting of latitude, longitude and pressure of the trajectory every 30 minutes.

diamet logo Ensemble of Atmospheric Airborne and Ground-based Measurements including Radar Data from the DIAMET (DIAbatic influences on Mesoscale structures in ExTratropical storms) project, part of the Storms Risk Mitigation NERC research programme    Key 
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Data from the DIAMET (DIAbatic influences on Mesoscale structures in ExTratropical storms, NE/I005234/1) project, part of the Storms Risk Mitigation NERC (Natural Environment Research Council) research programme 2009-2014. DIAMET used the FAAM (Facility for Airborne Atmospheric Measurements) BAE-146 aircraft, ground-based and airborne instruments and radar together with modelling studies to forge a better understanding and prediction of mesoscale structures in synoptic-scale storms. This is determined by focusing an incident laser beam on particles, and whenever a particle passes through the beam, a shadow is generated and imaged onto the diode array. These images are part of this dataset along with flight summaries.

PPSM logo Ensemble of Atmospheric and Surface Measurements and Remotely-sensed Data from The Polar Pathfinder Sampler: Combined AVHRR, SMMR-SSM/I and TOVS Time Series   
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The Polar Pathfinder Sampler CD-ROM is an innovative assemblage of atmospheric and surface measurements from all three Pathfinders. Included is a two-year period of daily merged Pathfinder data sets at 100 km-resolution, placed in a multidimensional structure known as the "P-Cube." In addition, samples of full-resolution Special Sensor Microwave Imager(SSM/I), TIROS Operational Vertical Sounder (TOVS) and Advanced Very High Resolution Radiometer (AVHRR) (both the 1.25 km and 5 km products) Polar Pathfinder data sets are included, also in Equal-Area Scalable Earth-Grid (EASE-Grid), making it easy to compare parameters at multiple resolutions. The new product provides data for a wide range of polar climate research applications, but is especially keyed to the needs of investigators dealing with large-scale atmospheric changes, surface heat and mass balance studies, and sea ice modelling. This dataset is public.

The Cambridge Chemical Assimil logo Ensemble of Atmospheric Chemical Assimilation Model Output as part of the Cambridge Chemical Assimilation Data, part of the Assimilation of Remote-sensed Data for Applications in the Atmospheric and Oceanographic Sciences (ARDAAOS) program    Key 
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The Cambridge Chemical Assimilation Data was produced as part of the Assimilation of Remote-sensed Data for Applications in the Atmospheric and Oceanographic Sciences (ARDAAOS) Natural Environment Research Council (NERC) thematic programme. It presents Chemical assimilation data from multiple sources, which is processed into a common file format making it easy to compare data from the various field campaigns and satellite missions.

UJCC logo Ensemble of Earth-system Modelling Data from the UK-Japan Climate Collaboration (UJCC) Project    Key 
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Earth-system modelling data from the UK-Japan Climate Collaboration (UJCC). The project is a joint project between the Hadley Centre (DEFRA) and the NCAS-CGAM (Centre for Global Atmospheric Modelling) at the University of Reading. UJCC makes use of a broad group of models in order to systematically explore the role and value of resolution in climate system research. The dataset comprises of UJCC 30 year simulations from models at resolutions of either (1.25 lat x 1.875 lon) or (0.83 lat x 1.25 lon) with differing degrees of atmosphere-ocean coupling (1 degree ocean or 1/3 degree ocean). The dataset also includes NUGAM (Nihon-UK Global Environmental Model) Atmosphere only simulations and NUGEM Coupled atmosphere and ocean simulations which are both at the same resolution (0.83 lat x 0.56 lon, corresponding to ~60 km in mid-latitudes).

CIDC logo Ensemble of Global Marine and Land-Surface Monthly Mean Climate Parameters from the Climatology Interdisciplinary Data Collection (CIDC)   
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In Autumn 1995, the Goddard Distributed Active Archive Center (GDAAC) compiled the Climatology Interdisciplinary Data Collection (CIDC) to facilitate interdisciplinary studies related to climate and global change. This data collection has been produced in collaboration with the Center for Earth Observing and Space Research (CEOSR), Institute for Computational Sciences and Informatics (CSI), and George Mason University. It was designed for the study of global change, seasonal to interannual climate change, and other phenomena that require from one to dozens of interacting parameters. This CD set contains over 70 physical, monthly mean climate parameters from disciplines dealing with the atmosphere, land surface, ocean, cryosphere, biosphere, remote sensing science and the Sun. They have been gathered into one place and, where practicable, presented in a common format (monthly means with a 1 degree x 1 degree world grid, or commensurable resolution and 4-byte IEEE floating point words). Some small files are in ASCII. Twenty-five separate data sets are represented. Twelve of the datasets cover ten or more years. Greenhouse gases and global temperature variation data span over 100 years.

quest_desire logo Ensemble of measurements of isotopes of carbon in ice cores and of marine sediments in the Southern Ocean from the Quantifying and Understanding the Earth System (QUEST) Dynamics of the Earth System and the Ice-Core Record (DESIRE) project   
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Dynamics of the Earth System and the Ice-Core Record (DESIRE) is a project funded jointly by the Natural Environment Research Council (NERC) Quantifying and Understanding the Earth System (QUEST) programme and by the French INSU. This comes under QUEST Theme 2 (The natural regulation of atmospheric composition on glacial-interglacial and longer time scales). Funded researchers were at 6 UK universities and institutes, and at 2 French institutes. A number of other UK and French universities were also involved as partners in the project. Dr. Eric Wolff (British Antarctic Survey) was the UK Principal Investigator. DESIRE aims to understand the evolution of CO2 and CH4 over the 800,000 year period revealed by the ice core record. Dataset includes measurements of isotopes of carbon in ice cores and of marine sediments in the Southern Ocean.

abacus logo Ensemble of Plant, Soil, Atmospheric and Aircraft Measurements and Modelling data from the Arctic Biosphere-Atmosphere Coupling at multiple Scales (ABACUS) project   
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ABACUS (Arctic Biosphere Atmosphere Coupling at Multiple Scales) is funded by a grant (NE/D005795/1) from the Natural Environment Research Council (NERC) International Polar Year (IPY) Programme. The ABACUS research project is a major, linked programme of plant and soil studies, atmospheric measurements, aircraft and satellite observations, and modelling, to improve our understanding of the response of the arctic terrestrial biosphere to climate change. The data collected includes root measurements and isotope ratios of plants, CH4 emissions of soils, measurements of Carbon and water exchanges between soils/vegetation and the atmosphere at fine scales (resolution of ~1m), and at scales of ~100m, records of snow depth, soil moisture and climate, and aircraft images of the land surface and profiles of CH4. Plant data has so far been archived at the BADC.

free_exploitation logo Ensemble of Radiosonde, Wind Profiles Data and Model Output from the Exploitation of new data sources, data assimilation and ensemble techniques for storm and flood forecasting project, part of the Flood Risk for Extreme Events (FREE) Programme   
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The Exploitation of new data sources, data assimilation and ensemble techniques for storm and flood forecasting Project is a NERC Flood Risk for Extreme Events (FREE) Research Programme project (Round 1 - NE/E002137/1 - Duration January 2007 - April 2010) led by Prof AJ Illingworth, University of Reading. This project investigates possible methods of producing ensemble weather forecasts at high-resolution. These ensembles will be used with raingauge and river flow to improve methods of flood forecasting. The dataset includes radiosonde and wind profiles in England and Wales derived using Doppler radar returns from insects. The radial velocity measurements from insects were converted into VAD profiles by fitting a sinusoid to radial velocities at constant range. All measured profiles have been interpolated to the instrument location. Model output files from experiments assimilating radial winds from insects are also available.

Euroclim500 - Causes of change in European mean and extreme climate over the past 500 years: climate variable output from HadCM3 numerical model    Key 
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Numerical climate output from the HadCM3 climate model simulation runs for the NERC funded Euroclim500 project: Causes of change in European mean and extreme climate over the past 500 years. These data were produced by Andrew Schurer, Mike Mineter and Simon Tett using the HadCM3 climate model on the HECTOR supercomputer at the University of Edinburgh.

ecmwf-era logo European Centre for Medium-Range Weather Forecasts (ECMWF) 15-year re-analysis (ERA-15) model data    Key 
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The European Centre for Medium-Range Weather Forecasts (ECMWF) has provided global atmospheric analyses from its archive for many years. The ERA-15 Re-analysis project was devised in response to wishes expressed by many users for a data set generated by a modern, consistent, and invariant data assimilation system. The ERA-15 project produced a long time-series (January 1979 - February 1994) of consistent meteorological analyses using a single version of the ECMWF model. Dataset contains both initialised and uninitialised T106 spectral upper air data (approximately 1 degree resolution) on model levels and standard pressure levels. Corresponding surface parameters are held on a reduced gaussian N80 grid. Regular 2.5 degree x 2.5 degree gridded data is also stored on standard pressure levels and at the surface.

ecmwf-e40 logo European Centre for Medium-Range Weather Forecasts (ECMWF) 40-year Re-Analysis (ERA-40) model data    Key 
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The European Centre for Medium-Range Weather Forecasts (ECMWF) ERA-40 Re-Analysis Project consists of a number of climate datasets spanning the period mid-1957 to August 2002 using a consistent model. The data overlaps with the earlier ECMWF ERA-15 Re-analysis project (1979-1993). Dataset contains both initialised and uninitialised T106 spectral upper air data (approximately 1 degree resolution) on model levels and standard pressure levels. Corresponding surface parameters are held on a reduced Gaussian N80 grid. Regular 2.5 degree x 2.5 degree gridded data are also stored on standard pressure levels and at the surface.

ecmwf-era-interim logo European Centre for Medium-Range Weather Forecasts (ECMWF) Re-Analysis Interim (ERA-Inrerim) model data    Key 
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ERA-Interim is the latest European Centre for Medium-Range Weather Forecasts (ECMWF) global atmospheric reanalysis of the period 1989 to present. This follows on from the ERA-15 and ERA-40 re-analysis projects. The dataset includes data on surface, PV, potential temperature and pressure surfaces. Model level data available as GRIB formatted data on spectral and reduced Gaussian grids. Access limited to UK based academic researchers only

faam logo Facility for Airborne Atmospheric Measurements (FAAM)    Key 
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The FAAM aircraft is a large atmospheric research BAE-146 aircraft, run jointly by the NERC and the UK Met Office. It has been in operation since March 2004 and is at the scientists' disposal through a scheme of project selection. Data collected by this aircraft is stored in the FAAM data archive and includes "core" data, provided by the FAAM as a support to all flight campaigns, and "non-core" data, the nature of which depends on the scientific goal of the campaign. Apart from some exceptions, access to processed core data is public but requires an online application (application is granted automatically after agreement with the FAAM Conditions of Use). Access to non-core data is ruled by the relevant protocols in force for each project.

jaivex logo Facility for Airborne Atmospheric measurements (FAAM) - Joint Airborne IASI (Infrared Atmospheric Sounding Interferometer) Validation Experiment (JAIVEX) Measurements    Key 
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The Infrared Atmospheric Sounding Interferometer (IASI) instrument was launched on the METOP satellite in October 2006 (delayed from April 2006). The European Organisation for the Exploitation of Meteorological Satellites (Eumetsat) is providing funds for the Facility for Airborne Atmospheric Measurement (FAAM) aircraft BAe146 to be involved in validation of IASI radiative transfer and some level 2 products. Flights will be flown over oceans to coincide with METOP satellite overpasses. Further flights will be flown low level over specific land calibration sites to characterise land surface emissivity. There may also be co-incident flights with other platforms including US ER-2 or Proteus aircraft and French high altitude balloon. This dataset contains FAAM flight tracks and flight summaries, it does not, however, contain data collected by IASI on the Metop satellite.

cosic logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the CCOntrails Spreading into Cirrus (COSIC) Project    Key 
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The ultimate aim of the CCOntrails Spreading into Cirrus (COSIC) project is, for the first time, to build a physically based parameterization of aviation induced cirrus to determine its role in climate change. The project aims to conduct studies of water vapour, ice crystal habit, turbulence and radiative properties of contrail as it either spreads into cirrus or dissipates. Boundary conditions for LEM studies of contrail lifecycles will be delivered and Measurements of radiative forcing from spreading contrail taken for comparison to other cases. Case studies for testing later contrail cirrus parameterization in the Unified Model will be also be considered.

caviar logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Continuum Absorption in the Visible and Infrared and its Atmospheric Relevance (CAVIAR) project    Key 
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The Continuum Absorption in the Visible and Infrared and its Atmospheric Relevance (CAVIAR) campaign will use instruments on board the Facility for Airborne Atmospheric Measurements (FAAM) BAe-146 aircraft to determine the strength and temperature dependence of the water vapour continuum over a range of wavelengths. In doing so, the aim is to determine whether water vapour dimers, or the far wings of monomer lines, or a combination of both, are responsible for the continuum absorption, and put the continuum on a more secure theoretical footing.

covex logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Contrail Forecast Verification Experiment (COVEX)    Key 
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The Contrail Forecast Verification Experiment (COVEX) was a Met Office experiment to validate the new contrail forecasting techniques based on engine parameters and environmental conditions. It was based on a one-flight experiment on board the Facility for Airborne Atmospheric Research (FAAM) aircraft, that took place in December 2004.

dabex logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Dust and Biomass EXperiment (DABEX)    Key 
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The Dust And Biomass EXperiment, (DABEX), based in Niamey, Niger in early 2006, investigates the radiative effect of dust and biomass aerosols emitted from the Sahara/Sahelian regions. The dataset contains in-situ and remote sensing measurements of the optical and physical properties of anthropogenic biomass burning aerosols from sub-Sahelian West Africa; in-situ and remote sensing measurements of the optical and physical properties of natural mineral dust aerosols from over sub-Sahelian west Africa; spectral measurements of the solar and terrestrial radiative effects of both biomass burning aerosol and mineral dust aerosol.

eaquate logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the European AQUA Thermodynamic Experiment (EAQUATE)    Key 
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The European AQUA Thermodynamic Experiment (EAQUATE) was a study of the atmosphere, the land surface and the ocean surface by means of a range of airborne high resolution souders, in conjunction with observations from the Aqua and Aura satellites. The EAQUATE archive held at the British Atmospheric Data Centre (BADC) includes data collected aboard the Facility for Airborne Atmospheric Measurements (FAAM) Bae 146 aircraft based at Cranfield, UK, during four flights in September 2004.

fluxex logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Flux Experiment (FLUXEX)    Key 
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The Flux Experiment (FLUXEX) is an experiment to establish the fluxes of many ozone depleting gases (CFCs, HCFCs, halons) and greenhouse gases (HFCs, PFCs, SF6) from the UK. Its aim is to assess regional emission inventories of these gases. The dataset contains measurements, made for the first time, of "new" ozone depleting gases, such as n-propyl bromide and hexachlorobutadiene. The FAAM aircraft, fitted with air sampling bottles, is flown in the boundary layer upwind and downwind of the UK. The airborne campaign took place in the Summer of 2005.

icepic logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Ice and Precipitation Initiation in Cumulus (ICEPIC) Project    Key 
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The Ice and Precipitation Initiation in Cumulus (ICEPIC) is a research project to understand and quantify the formation and growth of ice particles in cumulus congestus clouds by combining airborne measurements in cumulus congestus clouds with Doppler radar measurements. The FAAM aircraft will be flown through cumulus clouds in the vicinity of the dual-polarisation Doppler radar at Chilbolton (Spring 2005).

nu-wave logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Ice Nuclearisation in Wave Clouds (NU-WAVE) Project    Key 
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The Met Office NU-WAVE (Ice Nuclearisation in Wave Clouds) project aims at studying ice crystal nucleation in orographic wave clouds. NU_WAVE is to study the nucleation of ice crystals in orographic wave clouds and its dependence on the physical and chemical properties of the input aerosol. It is based on a 2-flight campaign (November 2004) on board the FAAM aircraft. Flights invloved penetration of single wave clouds, trains of wave clouds and extensive sheets of cirrus formed by orographic effects.

land-emiss logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the LAND EMISSivity (LAND MISS) experiment   
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The LAND EMISSivity experiment (LAND EMISS) aimed to study the thermal infrared emissivity of a range of different land surface types using the Facility for Airborne Atmospheric Measurements (FAAM) BAE-146 aircraft. The UK based campaign made use of the FAAM BAE-146 aircraft during early summer 2006 with an additional period of UK-based flying in summer 2007, and opportunities for flights over snow and ice will be investigated.

pose logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Production of Ozone of South-east England (POSE) Project    Key 
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The Production of Ozone of South-East England (POSE) project investigated the factors governing ozone chemistry during summer periods in the UK. In particular, the relative sources of ozone i.e general background, regionally produced products and local/in situ generation. Measurements were made using the FAAM BAE-146 aircraft throughout the troposphere in the locality of the Tropospheric Organic Chemistry (TORCH) field campaign in Writtle, Essex to determine the influence of regional transport and local chemistry on ozone concentrations.

rico logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Rain in Cumulus over the Ocean (RICO) Project    Key 
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The Rain in Cumulus over the Ocean (RICO) IS a US-led international project to study trade wind cumulus clouds in the Caribbean. The main objective is to characterise and understand the properties of trade wind cumulus at all scales, with particular emphasis on understanding the warm rain process and determining its importance. The field campaign took place near Antigua and Barbuda from the 17th of November 2004 to the 24th of January 2005. The UK participation to RICO involved ground-based measurements and the use of the FAAM aircraft based at Antigua, from the 5th to the 28th of January 2005.

t-rex logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the Terrain-induced Rotor EXperiment (T-REX)    Key 
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The Terrain-induced Rotor EXperiment (T-REX) is a joint American/European project which made use of the Facility for Airborne Measurements (FAAM) BAE-146 aircraft to take measurements of strong gravity wave activity and associated rotor activity beneath the waves in the lee of the Sierra Nevada mountains, California, USA. Motivated by aviation safety issues, the main objectives are to improve the understanding of the atmospheric conditions conducive to strong gravity wave activity, wave induced rotors and gravity wave breaking.

faam_vocals logo Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the VOCALS-UK [VAMOS (Variability of the American Monsoon System) Ocean Cloud Atmosphere Land Study Regional Experiment] Project    Key 
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The VOCALS [VAMOS (Variability of the American Monsoon System) Ocean Cloud Atmosphere Land Study Regional Experiment] campaign is a large multi-national field campaign that has been established to investigate the coupled processes that control the climate of the South-East Pacific region. This includes the variety of interactions between the ocean surface, the overlying atmosphere and the neighbouring land. A particular focus for the Facility for Airborne Atmospheric Measurements (FAAM) aircraft studies is the sources of natural and anthropogenic aerosol and an understanding of their physical and chemical properties and a study of the interactions of this aerosol with the persistent stratocumulus cloud in the maritime atmospheric boundary layer. The campaign made use of instruments on board the FAAM BAe-146 aircraft to determine the strength and temperature dependence.

quest_firemafs logo FireMAFS (Fire Modelling and Forecasting System) QUEST (Quantifying and Understanding the Earth System) Project Data   
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Data from the FireMAFS (Fire Modelling and Forecasting System) QUEST (Quantifying and Understanding the Earth System) Project comes under QUEST Theme 3 (The implications of global environmental changes for the sustainable use of resources). FireMAFS was led by Prof Martin Wooster (Kings College, London) with 9 co-investigators from UCL, University of Leicester, University of Reading, Environmental Systems Science Centre, University of Bristol and Centre for Ecology and Hydrology. This entity contains the MODIS Land Cover Type product contains multiple classification schemes, which describe land cover properties derived from observations spanning a year’s input of Terra and Aqua data. The dataset stored here has been aggregated onto a 10 arc minute grid.

FIRETRACC/100 logo Firn Record of Trace Gases Relevant to Atmospheric Chemical Change over 100 yrs (FIRETRACC/100)   
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This data was collected as a result of the FIRETRACC/100 (Firn Record of Trace Gases Relevant to Atmospheric Chemical Change over 100 yrs) project conducted in 1998 and 1999. The FIRETRACC project aimed to determine the history of numerous trace gases of both human (pollution) and natural origin over the 20th century in the global atmosphere. This was achieved by pumping old air out of deep unconsolidated snow (known as firn) that accumulates to depths of around 50 to 100 m on the polar ice caps of both hemispheres. The resulting firn air samples from the Arctic and Antarctic were returned to Europe and the US for multiple gas and isotope analysis in a number of research laboratories. The firn air samples were analysed for well over eighty separate trace gases (halocarbons, non-methane hydrocarbons, alkyl nitrates, sulphur species, etc.), and thirteen different isotopic measurements of CO2, CH4, CO and permanent gases (O2, N2, Ar, Kr).

free_float logo Flood Risk for Extreme Events (FREE) - The Flood Action Team (FLoAT) project - Aerial images corresponding to the June/July 2007 Flood Events in the UK   
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The Flood Action Team (FLoAT) project is intended to collate a variety of data collected during the June and July 2007 Flood events in the UK (e.g. Tewkesbury event in 2007). This project is funded by the Natural Environment Research Council (NERC) - project Ref. R8/H12/69 - through the Flood Risk for Extreme Events (FREE) NERC directed mode programme. Aerial images of the Tewkesbury area, which include the river Severn and the river Avon, were collected during the flood events of summer 2007.

FE-Amazon logo Fundacion Entropika High Resolution Monthly Means of Atmospheric Variables over the Amazon Basin   
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This dataset holds the high resolution (0.5 x 0.5 deg; 8 vertical levels) monthly means of 5 atmospheric variables (air temperature, pressure, water vapour pressure, vertical velocity and horizontal wind speed) over the Amazon Basin for the period 1972 to 2009. This data is public and in particular, version 1.0 is citable (DOI: 10.5285/2dfce039-cd71-43b3-bed4-98978e78f1bb).

Global Climatology of Atmospheric Parameters from the Committee on Space Research (COSPAR) International Reference Atmosphere (CIRA-86) Project   
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The COSPAR International Reference Atmosphere (CIRA) provides empirical models of atmospheric temperatures and densities as recommended by the Committee on Space Research (COSPAR). A global climatology of atmospheric temperature, zonal velocity and geopotential height derived from a combination of satellite, radiosonde and ground-based measurements. The reference atmosphere extends from pole to pole and 0-120 km. The majority of the data are on a 5 degree latitude grid and approximately 2 km vertical resolution. This dataset is public.

cwvc-grape logo Global Cloud and Aerosol Dataset Produced by the Global Retrieval of ATSR Cloud Parameters and Evaluation (GRAPE) Project as part of the Clouds, Water Vapour and Climate (CWVC) Programme   
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The aim of the GRAPE project was to produce a global cloud and aerosol dataset using a state-of-the-art physical retrieval of the entire duration of the Along Track Scanning Radiometer 2 (ATSR-2) mission (aboard ERS-2). This dataset will be compared and contrasted with existing climatologies (based on different instruments and very different retrieval algorithms). The GRAPE project was initially funded through the Clouds, Water Vapour and Climate (CWVC) Programme, a five-year NERC directed research programme. The dataset has been developed further within the National Centre for Earth Observation (NCEO) and now includes data from the Advanced Along Track Scanning Radiometer (AATSR). The GRAPE dataset contains cloud optical depth, aerosol optical depth (cloud free), cloud phase, cloud particle size, cloud top pressure, cloud fraction and cloud ice/water path along with associated error measurements. An email list has been set up at BADC to distribute information/updates about and other GRAPE related issues to users.

Global maps of monthly self-calibrating Palmer Drought Severity Index (scPDSI) based on Climatic Research Unit Time Series (CRU TS) data   
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PDSI consists of global maps of monthly self-calibrating Palmer Drought Severity Index (scPDSI) which have been calculated for selected periods of time based on the CRU TS data sets.

QUERCC logo Global Soil Nitrogen Content Dataset as part of the QUERCC (Quantifying ecosystem roles in the carbon cycle) QUEST (Quantifying and Understanding the Earth System) Project   
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Data from the QUERCC (Quantifying ecosystem roles in the carbon cycle) QUEST (Quantifying and Understanding the Earth System) project. This comes under QUEST Theme 1 (The contemporary carbon cycle and its interactions with climate and atmospheric chemistry). The Principal Investigator in this project was Prof Ian Woodward from University of Sheffield, with 11 co-investigators at the Centre for Ecology and Hydrology (CEH), the Forestry Commission's Forest Research, the Agriculture and the Environment Division at Rothamsted Research and the Universities of Aberdeen, Edinburgh, Leeds, York, Oxford and Southampton. Data consist of a global soil nitrogen content dataset, and a sample of restart files from the IMOGEN model, a modelling system designed to undertake global and regional assessment of climate change impacts on the physical and biogeochemical behaviour of the land surface.

Ground-based, radiosonde and aircraft data from the Orographic Flows and the Climate of the Antarctic Peninsula (OFCAP) project   
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Ground-based Automatic weather station (AWS), Radiosonde and British Antarctic Survey (BAS) Masin twin-otter aircraft data collected on and around the Antarctic Peninsula during the NERC-funded Orographic Flows and the Climate of the Antarctic Peninsula (OFCAP) project. The OFCAP project conducted an integrated programme of field observations, analysis and modelling aimed at understanding of how the westerly winds interact with the mountains of the Antarctic Peninsula and how those interactions control the climate of the eastern side of the Peninsula. This dataset comprises of data from the month-long intensive field campaign which took place in January 2011. During this period, atmospheric flow along a transect across the Antarctic Peninsula mountains around 67 degrees south was observed using the British Antarctic Survey (BAS) MASIN- Twin-otter instrumented aircraft and automatic weather stations at Avery Plateau, Cole Peninsula and North Adelaide Island along the line of the transect. Atmospheric conditions on the upwind (western) and downwind (eastern) sides of the mountains were measured using balloon-borne radiosondes were released from the Larsen Ice shelf camp and Rothera base. These observations were then analysed in conjunction with the results of high-resolution atmospheric model simulations in order to obtain a more complete picture of the flow across the Peninsula. OFCAP was funded by the Natural Environment Research Council (NERC) for three years from Sept 2009 (NERC Reference: NE/G014124/1)

hadcm3con logo Hadley Centre Coupled, Version 3 (HadCM3) Control Run Model Data    Key 
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Numerical model data from the Hadley Centre coupled model (HadCM3) Control Run. Please note that these data have now been superceeded by the data from the main BADC HadCM3 archive. The current dataset covers 100 years (2079 - 2178), and contains all atmospheric and oceanic fields derived from the HadCM3 model. A 1000 year dataset (1849-2849) of model data for selected parameters has also been retrieved from the Met Office and stored at the BADC.

higem logo HiGEM (High Resolution Global Environmental Modelling) Simulation Results    Key 
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HiGEM (High Resolution Global Environmental Modelling) is a UK programme in between NERC (Natural Environment Research Council) and the Hadley Centre of the Met Office. The aim is to advance in the fidelity of simulations of the global environment by taking the new Met Office climate model (HadGEM1a) to unprecedented resolutions. The resulting simulations aim to improve our understanding of mechanisms of climate variability and change on timescales of days to centuries.

hirdls logo HIgh Resolution Global Distributions of Temperature, Clouds, Aerosols, and 10 Trace Species Data from the High Resolution Dynamics Limb Sounder (HIRDLS) instrument    Key 
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This dataset contains data of the global distributions of temperature, clouds, aerosols, and 10 trace species O3, H2O, CH4, N2O, NO2, HNO3, N2O5, CFC11, CFC12, and ClONO2 in the stratosphere and upper troposphere at high vertical and horizontal resolution in the Earth's atmosphere between about 8 and 100 km, from the High Resolution Dynamics Limb Sounder (HIRDLS) instrument. HIRDLS is an mid-infrared limb-scanning radiometer (21 channels from 6.12 to 17.76 µm and provides sounding observations to observe the lower stratosphere with improved sensitivity and accuracy. HIRDLS was carried on the Aura mission, part of the A-train procession of polar orbiting satellites forming part of NASA's Earth Observing System (EOS).

amazon_isoprene logo High-Resolution Chemistry Model data for the Amazon as part of the NERC Research Mode 2010 Quantifying the Amazon Isoprene Budget: Reconciling Top-down versus Bottom-up Emission Estimates Project    Key 
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The Quantifying the Amazon Isoprene Budget: Reconciling Top-down versus Bottom-up Emission Estimates project is to produce a unique high resolution model for the Amazon, which will be able to simulate isoprene emissions and atmospheric chemistry. Model outputs will be made available through CEDA-BADC. This is a NERC funded project.

polltro_fronts logo High-Resolution Model Simulations of the Transport of Pollutants During High Pressure Events as part of the Polluted Troposphere, Tranport and Mixing in Fronts Project   
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Transport and mixing in fronts is a Natural Environment Research Council (NERC) Polluted Troposphere Research Programme project (Round 1 - NER/T/S/2002/00149 - Duration 2002 - 2005) and is led by DR SL Gray, University of Reading. The data consist of the rate at which frontal regions in weather systems transport polluted air from the boundary layer to the free troposphere using very high-resolution model simulations backed up by observations.

Historical Meteorological Recordings from the UK Colonial Registers and Royal Navy Logbooks (CORRAL)   
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The UK Colonial Registers and Royal Navy Logbooks (CORRAL) project uses late 18th to early 20th century archive material to enhance the global coverage of daily to sub-daily weather observations by digitising Royal Navy ship's logbooks (from ships of voyages of scientific discovery and those in the service of the Hydrographic Survey) and coastal and island records contained in UK Colonial documents. This provides meteorological recordings from marine sites back to the 18th Century. These data are public.

cwvc-hitrn logo HITRAN (high-resolution transmission) molecular absorption database, part of the Clouds, Water Vapour and Climate (CWVC) program   
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The aim of HITRAN (high-resolution transmission molecular absorption database) was to characterise the amount and wavelength-dependence of absorption by water vapour and other atmospheric species. It was part of the Natural Environment Research Council (NERC) funded Clouds, Water Vapour and Climate (CWVC) program. The dataset contains spectral line parameters derived from laboratory measurements on pure water vapour, and mixtures of water vapour and air. The measurements were made at STFC Rutherford Appleton Laboratory Molecular Spectroscopy Facility, and the line fitting was carried out by the Department of Meteorology at the University of Reading. The spectral line parameters are displayed in HITRAN format. Water vapour lines were fitted to the laboratory data in the spectral range 5037 to 5585 cm-1. These data are public.

Intergovernmental Panel on Climate Change Data Distribution Centre (IPCC DDC) holdings   
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The Intergovernmental Panel on Climate Change (IPCC) Data Distribution Centre provides four main types of data and guidance: 1. Observed Climate Data Sets; 2. Global Climate Model Data; 3. Socio-economic data and scenarios; 4. Data and scenarios for other environmental changes.

isccp_c2 logo International Satellite Cloud Climatology Project C2 (ISCCP-C2) Dataset   
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Global monthly cloud products as produced for the International Satellite Cloud Climatology Project (ISCCP) at the Goddard Institute for Space Studies in New York. The data on this CD-ROM are the ISCCP Stage C2 data (ISCCP-C2), at 280 km spatial resolution. There are 72 variables contained within the dataset, which are available at monthly and three-hourly monthly resolution. The data available at the time of publication begin in July 1983 and extend through December 1990. This dataset is public.

isccp_d1 logo International Satellite Cloud Climatology Project D1 (ISCCP-D1) Dataset   
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Global three-hourly cloud products as produced for the International Satellite Cloud Climatology Project (ISCCP) at the Goddard Institute for Space Studies in New York. The data on are the ISCCP Stage D1 data (ISCCP-D1), at 280 km spatial resolution. There are 202 variables contained within the dataset, which is at three-hourly temporal resolution. The data available at the time of publication begin in July 1983 and extend through to December 1999. This dataset is public.

isccp_d2 logo International Satellite Cloud Climatology Project D2 (ISCCP-D2) Dataset   
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Global monthly cloud products as produced for the International Satellite Cloud Climatology Project (ISCCP) at the Goddard Institute for Space Studies in New York. The data on are the ISCCP Stage D2 data (ISCCP-D2), at 280 km spatial resolution. There are 130 variables contained within the dataset, which has both monthly means as well as means for three hourly time intervals. The data available at the time of publication begin in July 1983 and extend through to December 1999. This dataset is public.

ISLSCP logo International Satellite Land Surface Climatology Project - Initiative I (ISLSCP I) Dataset   
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This CD-ROM set contains the Initiative I data collection. The datasets on this CD set cover four areas (land cover, hydrometeorology, radiation, and soils), span the 24 month period, 1987-1988, and all but one are mapped to a common spatial resolution and grid (1 degree x 1 degree). Temporal resolution for most datasets is monthly; however, a few are at a finer resolution (e.g., 6-hourly). The data within the four areas are organized into five groups on this CD set: vegetation, Hydrology and Soils, Snow, Ice and Oceans, Radiation and Clouds, and Near-Surface Meteorology. This dataset is public.

islscp2 logo International Satellite Land Surface Climatology Project, Initiative II (ISLSCP II) Dataset   
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The International Satellite Land Surface Climatology Project (ISLSCP) has the lead role in addressing land-atmosphere interactions - process modelling, data retrieval algorithms, field experiment design and execution, and the development of global data sets. The ISLSCP II dataset contains comprehensive data over the 10 year period from 1986 to 1995, from the International Satellite Land Surface Climatology Project (ISLSCP). The ISLSCP II datasets are compiled in four key areas: land cover, hydrometeorlolgy, radiation and soils. They are mapped to consistent grids (0.5 x 0.5 degrees for topography, 1 x 1 degrees for meteorological parameters). Some data have a grid size of 0.25 x 0.25 degrees. The temporal resolution for most data sets is monthly (however a few are at finer resolution - 3 hourly). This dataset is public.

IUPAC logo International Union of Pure and Applied Chemistry (IUPAC) Evaluated Gas Kinetic and Photochemical Data   
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This dataset, held at the Centre for Atmospheric Science in Cambridge, is a compiled list of current up-to-date evaluated atmospheric gas kinetic rates recommended by the IUPAC (International Union of Pure and Applied Chemistry) Subcommittee on Gas Kinetic Data Evaluation. It is presented in the form of a table listing the considered chemical reactions with the values of the relevant parameters.

CLAUS logo Long Time Series of Global Thermal Infra-red Imagery of the Earth as part of the Cloud Archive User Service (CLAUS) Project    Key 
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Global Brightness Temperature imagery from the Cloud Archive User Service project. This project produced a long time-series of global thermal infra-red imagery of the Earth using data from operational meteorological satellites, which was used in validating atmospheric General Circulation Models

MACDA logo Mars Analysis Correction Data Assimilation (MACDA): MGS/TES v1.0    Key 
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This dataset contains basic gridded atmospheric and surface variables for the planet Mars over three martian years (a martian year is 1.88 terrestrial years), as produced by data assimilation of spacecraft observations. Each file in the dataset spans 30 martian mean solar days (sols) during the science mapping phase of the National Aeronautics and Space Administrations's (NASA) Mars Global Surveyor (MGS) spacecraft, between May 1999 and August 2004. The dataset is produced by the re-analysis of Thermal Emission Spectrometer (TES) retrievals of nadir thermal profiles and total dust opacities, using the Mars Analysis Correction Data Assimilation (MACDA) scheme in a Mars global circulation model (MGCM). The MGCM used is the UK spectral version of the model developed by the Laboratoire de Meteorologie Dynamique in Paris, France. MACDA is a collaboration between the University of Oxford and The Open University in the UK.

ESA Water Vapour logo Measurement of H2O Absorption Cross-Sections funded by the European Space Agency (ESA)   
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The 'Measurement of H2O Absorption Cross-Sections for the Exploitation of GOME’ project is a European Space Agency (ESA) funded study. The GOME (Global Ozone Monitoring Experiment) instruments are downward-viewing satellite-borne spectrometers. The study, undertaken between April 1999 and August 2000, has significantly improved knowledge of the absorption cross-sections and line parameters for water vapour in the near-infrared and visible spectral regions through a powerful combination of laboratory measurements, spectral analysis, and theoretical calculations. The dataset contains distributions and vertical profiles of atmospheric chemical species (in particular ozone) as well as the distribution of trace atmospheric species. This dataset is public.

volc_ash_0410 logo Measurements and Imagery of the Eyjafjallajokull Volcanic Ash Cloud    Key 
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The Icelandic Volcano, Eyjafjallajokull, started erupting on 14th April 2010. The volcanic ash cloud produced covered much of Northern Europe for several weeks causing extensive disruption to air travel. The UK and European atmospheric communities had many instruments - both airborne and ground-based, remote sensing and in-situ - taking measurements of the ash cloud throughout this period. The dataset comprises of measurements of aerosol and particle layers (upper and lower boundary, height, horizontal extent) and infra-red and visible imagery of the ash cloud.

appraise logo Measurements from the Aerosol Properties, PRocesses And Influences on the Earth's climate (APPRAISE) Project    Key 
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Aerosol properties, processes and influences on the Earth's climate (APPRAISE) is a Directed Mode programme of the Natural Environment Research Council (NERC). Its aim is to understand and quantify how aerosols affect the Earth's radiation budget, by scattering and/or absorbing radiation, influence clouds, and hence indirectly affect climate and the hydrological cycle, and contribute to feedback processes between land, the biosphere and climate.

AASE II logo Measurements from the Airborne Arctic Stratospheric Expedition II (AASE II)   
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The Airborne Arctic Stratospheric Expedition II (AASE II) which was based in Bangor, Maine between October 1991 and March 1992, with ER-2 flights from Ames Research Center, Fairbanks (Alaska), and Bangor; and DC-8 flights from Ames, Bangor, Anchorage (Alaska), Stavanger (Norway), and Tahiti, was a follow-up to an earlier AASE campaign in 1989. The dataset consists of measurements collected onboard the NASA ER-2 and DC-8 aircraft (for example, ClO, BrO, HCl, O3, NOx, N2O, HNO3, whole air samples and aerosol measurements). In addition, there are ozonesonde soundings from six Canadian stations, global grid point values of Nimbus 7 TOMS ozone, and selected radiosonde soundings from stations in the region of the experiment. Theory teams provided calculations of potential vorticity, temperature, geopotential, horizontal winds, parcel back trajectories, and concentrations of short lived species along the aircraft flight tracks; and northern hemispheric analyses of potential vorticity, temperature, geopotential, horizontal winds, and radiative heating rates.

Measurements from the Cape Verde Atmospheric Observatory    Key 
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Data from observations made at the The Cape Verde Atmospheric Observatory (16.848N, 24.871W) which exists to advance understanding of climatically significant interactions between the atmosphere and ocean and to provide a regional focal point and long-term data. The observatory is based on Calhau Island of São Vicente, Cape Verde in the tropical Eastern North Atlantic Ocean, a region which is data poor but plays a key role in atmosphere-ocean interactions of climate-related and biogeochemical parameters including greenhouse gases. It is an open-ocean site that is representative of a region likely to be sensitive to future climate change, and is minimally influenced by local effects and intermittent continental pollution. The dataset contains mixing ratio measurements of Ozone, CO, ethane, propane, iso-butane, acetylene, iso-pentane, and halocarbons. Meteorological measurements (wind speed, wind direction, atmospheric pressure, air temperature, relative humidity, solar radiation, rainfall) and aerosol concentrations are also contained in the data set. SOLAS (Surface Ocean / Lower Atmosphere Study) back trajectory images are also in this dataset: the Cape Verde Observatory was used during the SOLAS project.

EAAM logo Measurements from the Effective Atmospheric Angular Momentum (EAAM) project   
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The Effective Atmospheric Angular Momentum (EAAM) is a combined project from the Met Office and the European Centre for Medium Range Weather Forecasting (ECMWF). The data is of 3 angular momentum components of the mass and wind terms at 12 or 24 hourly intervals. The ECMWF data is from 1979-93 and the Met Office data is from 1983-1997. This dataset is public.

ukmo-cyclones logo Met Office Cyclone database    Key 
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Data from the Met Office's Cyclone Database, consisting of flat files from the database covering 2000-2005 with associated charts. The database holds lists of cyclones, their types and structural information about each cyclone and associated features as derived from analysis of the UK Met Office Unified Model.

Met Office - Global Radiosonde logo Met Office Global Radiosonde Data    Key 
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Standard resolution radiosonde data from worldwide upper air stations over the period 1997 - present (Some European stations are available from 1990). The dataset consists of vertical profiles of temperature, dew-point temperature, wind speed and wind direction from the surface to approximately 20-30 km. Data are reported up to four times daily. The data are provided by the Met Office.

ukmo-hadrt logo Met Office Global Radiosonde Gridded Temperature Anomalies (1958-July 2004) (HadRT) Dataset    Key 
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The HADRT data are global radiosonde gridded temperature anomalies at standard levels in the troposphere and in the lower stratosphere from 1958 to July 2004. The data are degree Celsius anomalies from 1970-1990 means. Anomalies are calculated for each of about 200 sonde stations worldwide and grid values derived from these. This dataset has been superseded by the HadAT dataset (1958 to present) also available from BADC.

Met Office - HadAT logo Met Office Globally gridded radiosonde temperature anomalies (1958 to present) HadAT Datasets    Key 
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The HadAT data are global radiosonde gridded temperature anomalies at standard levels in the troposphere and in the lower stratosphere from 1958 to December 2012 (updates may be available in 2015). This dataset supersedes the HadRT dataset. All values are anomalies relative to the monthly 1966-95 climatology.

Met Office - HadISST logo Met Office HadISST 1.1 (Global sea-Ice coverage and Sea Surface Temperature) (1870-Present) Dataset    Key 
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Data from HasISST contains measurements of sea surface temperature (SST) and also global sea ice coverage (HadISST1.1). Dataset include monthly mean gridded, global SSTs from 1870 to present and Sea Ice coverage from 1870 to present. This is a new data product replacing the GISST/GICE (Global Sea Surface Temperature/Global sea-Ice content) data sets ended in February 2003. The data are provided by the Hadley centre (Met Office).

ukmo-cet logo Met Office Hadley Centre Central England Temperature (HadCET) dataset    Key 
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The longest available instrumental record of temperature in the world is now available at the BADC. The monthly series of temperature begins in 1659 and the daily data starts in 1772. Seasonal series also available. These historical temperature series are representative of the Midlands region in England, UK. The data set is compiled by the Met Office Hadley Centre.

hadcm3 logo Met Office Hadley Centre Coupled Model 3 (HadCM3) data    Key 
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Numerical model data from various Hadley Centre coupled model 3 (HadCM3) experiments. These data cover various time periods, but for the climate change experimenst are typically over the range 1989-2100 and contains all atmospheric fields derived from the HadCM3 model, at various time resolutions.

hadcm3c logo Met Office Hadley Centre Coupled Model, version 3 (HadCM3-C) model integrations    Key 
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HadCM3-C is a version of the HadCM3 model from the UK Met Office Hadley Centre. It is composed of two components: the atmospheric model and the ocean model (which includes a sea ice model), but also contains a detailed carbon cycle. Datasets are of the simulations for long periods of time HadCM3-C has run. These data were initially collected as part of the Stream 2 data for the EU ENSEMBLES project.

hadgem1 logo Met Office Hadley centre global environment model version 1 (HadGEM1) Data    Key 
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The HadGEM1 model is the Met Office Hadley centre global environment model version 1. This version of the model includes a detailed representation of the atmosphere, land surface, ocean, and cryosphere. This dataset includes a control run and a number of climate change experiments. Part of the the UK Met Office Hadley Centre's contributions to the fourth assessment report of the IPCC (Intergovernmental Panel on Climate Change) was based on the HadGEM1 model. This dataset provides all the available data from the control integration (run with preindustrial levels of CO2 and other forcings) as well as output from a number of climate change experiments. The data is provided in the Met Office PP format, but tools are available to extract subsets in NetCDF and other formats.

hadrm3_ppe logo Met Office Hadley Centre Regional Climate Model (HadRM3-PPE) Data    Key 
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Data from the HadRM3-PPE-UK (Hadley Centre Regional Climate Model) experiment run at the UK Met Office Hadley Centre. This was designed to simulate the regional climate for the UK in the period 1950-2100 for historical and medium (SRESA1B) emissions scenario. This dataset contains output from an ensemble of eleven variants of the MOHC Regional Climate Model (HadRM3), run from 1950-2099 and used to dynamically downscale global climate model (GCM) results as part of the climate change experiments carried out by the Met Office Hadley Centre for the latest UK Climate Projections report.

Met Office - GMSLP/HadSLP1 logo Met Office Hadley Centre's Global Mean Sea-Level Pressure (GMSLP and HadSLP1) Datasets    Key 
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The fully Global Mean Sea-Level Pressure (GMSLP) dataset, was developed in collaboration with CSIRO (Scientific and Industrial Research for Australia), Australia and NIWA (National Institute of Water and Atmospheric Research), New Zealand. It is an historical, 5 deg. x 5 deg. gridded monthly dataset covering the period 1871-1994. The Met Office Hadley Centre recently produced the HadSLP1 dataset which replaces the Global Mean Sea Level Pressure (GMSLP) data sets, and is a unique combination of monthly globally-complete fields of land and sea pressure observations a 5 degree latitude-longitude grid from 1871 to 1998.

met office - hadsst2 logo Met Office HadSST2 (uninterpolated sea surface temperature) (1850-present) Dataset    Key 
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The Met Office Hadley Centre's sea surface temperature data set, HadSST2, replaces the Met Office Historical Sea Surface Temperature dataset (MOHSST6) and is a monthly global field of SST (Sea Surface Temperature) on a 5 deg latitude by 5 deg longitude grid from 1850 to date. The data are neither interpolated nor variance adjusted.

ukmo-rad-hires logo Met Office high resolution radiosonde data from the UK, Gibralta, St Helena and the Falkland Islands    Key 
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High resolution radiosonde data from UK stations and also from Gibraltar, St Helena and the Falklands. The data consist of vertical profiles of pressure, temperature, relative humidity, humidity mixing ratio, sonde position, wind speed and wind direction. Measurements are taken at 2 second intervals and the ascents extend to heights of approximately 20-30 km. The archive has around 10 stations with data from the 1990's. Data from Aberporth is also available from April 1990 - April 2000. Generally there are 4 ascents per day from each station.

ukmo-midas logo Met Office Integrated Data Archive System (MIDAS) Land and Marine Surface Stations Data (1853-current)    Key 
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Land surface and marine surface observations data from the Met Office station network and other world wide stations as stored in the Met Office MIDAS database. Data are available for the period 1853 to present. The dataset comprises daily and hourly weather measurements, hourly wind parameters, max and min air temperatures, soil temperatures, sunshine duration and radiation measurements and daily, hourly and sub-hourly rain measurements, some climatology data and marine observations (including sea surface temperature, swell and wave associated parameters).

Met Office - Land Surface Stat logo Met Office Land Surface Stations Data (1900-2000)    Key 
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Historic land surface observations data from the Met Office station network. Data are available for the period 1900 to 1999 for daily measurements. Hourly observations are for now available back to January 1985. The dataset comprises daily and hourly weather measurements, hourly wind parameters, max and min air temperatures, soil temperatures, sunshine duration and radiation measurements and hourly and daily rain measurements. This dataset has been SUPERSEDED BY THE NEW MIDAS Land Surface Stations data (1853-current). It has been retained for reference purposes. Users with access to the MIDAS Land surface stations dataset automatically have access to this dataset as well.

ukmo-charts logo Met Office Mean Sea Level Pressure (MSLP) Charts    Key 
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UK Met Office charts analyses pertaining to Mean Surface Level Pressure and 24 hour Weather Frontal Forecasting for the UK and Western Europe. The charts cover a period from June 1999 to the present.

Met Office - C130 logo Met Office Met. Research Flight C-130 Data    Key 
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The Met. Research Flight (MRF) was a Met Office facility, which flew a well instrumented C-130 Hercules aircraft for research purposes. The BADC holds data collected by the C-130 during NERC (Natural Environment Research Council) funded flights, such as those made during ACSOE (Atmospheric Chemistry Studies in the Oceanic Environment) and UTLS (Upper Troposphere - Lower Stratosphere) projects. The basic set of measurements include ozone, nitrogen oxides, water vapour, aerosols, wind, position and temperature. These are often supplemented by project specific measurements.

ukmo-metdb logo Met Office MetDB system: Surface, upper air and satellite data    Key 
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Observational data extracted from the Met Office's MetDB system. Data include surface and upper air observations and some satellite data. These data are from a number of different message types covering data from land and ship surface data measurements through to upper air observations from wind profilers, radiosonde ascents and aircraft measurements and also satellite measurements.

Met Office - NH Geopotential H logo Met Office Northern Hemisphere Geopotential Height (1945-2005) Data    Key 
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This dataset holds Northern Hemisphere (north of 15 deg. N) daily and monthly series of 500 hPa geopotential height fields and also daily and monthly series of 1000-500 hPa thickness fields. The data is available for the period 1945 to 2005. The data is supplied by the Met Office, Hadley Centre.

Met Office - MSLP logo Met Office Northern Hemisphere Mean Sea Level Pressure (MSLP) fields (1873-2005) Data    Key 
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This dataset holds Northern Hemisphere (north of 15N) daily and monthly series of Mean Sea Level Pressure fields. The data are available for the period 1873 to 2005. The data is supplied by the Met Office, Hadley Centre.

nimrod logo Met Office Rain Radar Data from the NIMROD System    Key 
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Rain radar data from the Met Office's Nimrod system. Nimrod is a fully automated system for weather analysis and nowcasting based around a network of C-band rainfall radars. This dataset has the fine-resolution analyses of rain rate for the UK and Europe.

ukmo-cardington logo Met Office Research Unit, Cardington: surface and upper air observations    Key 
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The Met Office's research unit based in Cardington, Bedfordshire, study boundary-layer meteorology and surface processes to help with the development of numerical weather prediction methods. Surface meteorological data and high resolution radiosonde data are collected from the Met Office's research site and elsewhere. The dataset contains recorded surface measurements timed at 1, 10 and 30 minute intervals and measured by instruments mounted on 10, 25 and 50 metre masts. Radiosonde data are available at various locations depending on the deployment of the equipment.

Met Office - Assim logo Met Office Stratospheric Assimilated Data    Key 
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Data concerning stratospheric temperature, geopotential height and wind components produced by the Stratospheric Data Assimilation System at the UK Met Office. The data assimilation system is a development of the scheme used at the Met Office for operational weather forecasting, which has been extended to cover the stratosphere. The primary product is a daily analysis (at 1200 UTC) which is produced using operational observations only. For short periods of particular interest the analyses are available at 6-hourly intervals. Assimilation experiments using UARS (Upper Atmosphere Research Satellite) data in addition to operational meteorological observations have been carried out for limited periods.

UKMO_TOVS logo Met Office TOVS (TIROS Operational Vertical Sounder) Stratospheric Analyses    Key 
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These data consist of sets of 3-dimensional gridpoint analyses of the stratosphere which are produced by the Met Office using data from the TIROS Operational Vertical Sounder (TOVS) instruments onboard the NOAA (National Ocean and Atmospheric Administration) operational polar orbiters. TOVS consists of 3 instruments, the Stratospheric Sounding Unit (SSU) the Microwave Sounding Unit (MSU) and the High Resolution Infrared Sounder (HIRS). Daily radiance and geopotential height data are available on a 5 degree latitude / longitude global grid from December 1978 to April 1997. Software is provided to derive potential vorticity. Access permission required so that PI can monitor usage of data.

ukmo-wind-prof logo Met Office wind profiler vertical wind profiles for the British Isles (1998-onwards)    Key 
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The Met Office have operated a network of wind profiling lidars at various sites around the British Isles since the first was installed in 1998, following the installation of the NERC MST radar near Aberystwyth. This datasets contains the available 30 minute averaged wind profile data from these sites made available for research by the academic community and included parameters such as measurements of the zonal, meridional and vertical components of winds, signal to noise ratio and spectral width. The data are from boundary layer UHF wind profilers located at Camborne (915 Mhz), Dunkeswell (1290 Mhz) and Wattisham (1290 Mhz) and a Stratosphere-Troposphere (ST) VHF radar at South Uist operating at 64 Mhz. A fourth UHF radar operated at 915 Mhz was operated at the NERC MST Radar site at Capel Dewi, near Aberystwyth, between November 1999 and March 2002; it was then relocated to South Uist until May 2005 ahead of and during the commisioning of the 64 Mhz radar, before being relocated to its present location on the Isle of Man. An additional Degreane wind profiler has since been purchased by the Met Office and is deployed at the Chilbolton Observatory, but data from this instrument are not presently part of this dataset. This dataset contains wind profiler data from Camborne (from 1998), Dunkeswell (from 1999), Wattisham (2001 to present), Aberystwyth (Capel Dewi, 1999 to 2002), South Uist (915MHz, 2003 to 2004), South Uist (64MHz, from 2004), and Isle of Man (2005 to 2008 and since 2010). Data from these wind-profilers, and from the NERC MST Radar, are used operationally by the Met Office for numerical weather prediction. They additionally receive data from up to another 15 wind-profiling systems throughout Europe as part of the CWINDE (COST Wind Initiative for a Network Demonstration in Europe) project. A map showing the locations of the wind profilers is available on the CWINDE website. Data from wind profilers is also routinely transmitted accross the Global Telecommunication System (GTS) according to standards defined by the World Meteorological Organisation (WMO). Those data can be found in the Met Office MetDB dataset also held by the BADC.

Met Office - European synoptic logo Met Office's European Synoptic stations data (1990 - 1996)    Key 
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The Met Office European synoptic stations reported hourly surface data from 141 European stations for the period 1990-1996. The dataset includes parameters such as temperature, wind, rainfall, cloud cover, past and present weather, and visibility. Note - this has been superseded by the MIDAS Land Surface Station Dataset.

Met Office - GISST logo Met Office's Global Ice coverage and Sea Surface Temperatures (GISST), and Monthly night marine air temperature/SST anomalies (MOHMATN4)/(MOHSST6) Data (1856-2006)    Key 
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Measurements of sea surface temperature (SST) and also global sea ice coverage (GICE2.3b). Dataset include monthly mean gridded, global SSTs from 1870 to February 2003 and Sea Ice coverage from 1870 to February 2003. This dataset is an updated version of GISST2.2 available on the GOSTAplus CD-Rom. Also included in this dataset are The MOHMATN4 and MOHSST6 datasets. MOHMATN4 is of monthly night marine air temperature anomalies, and the MOHSST6 dataset is of monthly SST anomalies. MOHMATN4 and MOHSST6 are both represented on 5 deg. grids from 1856-August 2006. Relative climatological datasets for 1961-1990 are also included. The data are provided by the Met Office.

meteosat logo Meteosat Geostationary Satellites First Generation: Visible, Infra-Red and Water Vapour Images over Europe   
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Visible and infra-red images of the North Atlantic Ocean, Europe and North Africa from the Meteosat geostationary satellite. Images are archived from 11th November 1999 to June 2006. These images are public.

msg logo Meteosat Second Generation (MSG) Geostationnary Satellites: Visible, Infra-Red and Water Vapour Images and Derived Data Products over Europe    Key 
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Meteosat Second Generation is operated by The European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) and provides almost continuous images to meteorologists and researchers in Europe and around the world. This includes visible, infra-red, water vapour, High Resolution Visible (HRV) images and the derived cloud top height, cloud top temperature, fog, snow detection, and volcanic ash products. These images are available for a range of geographical areas. Images are available from March 2005 onwards at a frequency of 15 minutes (some are hourly) and are at least 24 hours old.

microscope logo MICROphysicS of COnvective PrEcipitation (MICROSCOPE) project: airborne and ground-based measurements    Key 
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This dataset holds the data from the MICROphysicS of COnvective PrEcipitation (MICROSCOPE), the NERC funded part of the wider COPE (COnvective PrEcipitation) project. COPE is led by the National Centre for Atmospheric Science (NCAS) and the UK Met Office, and involved scientists at the Universities of Leeds, Manchester and Reading, as well as international partners from the Universities of Purdue and Wyoming. As part of COPE, MICROSCOPE will improve predictions of severe convective rainfall by addressing the problem of the microphysics of precipitation in convective clouds. Data is being collected during the project over Cornwall and Devon, UK, during July and August 2013 to study the clouds. Three research aircraft (Facility for Airborne Atmospheric Measurements (FAAM) BAe146, Met Office Civil Contingency Aircraft (MOCCA) and University of Wyoming King Air), a ground-based radar and several other ground-based instruments are taking measurements of exactly how the rain forms and develops. The aircraft are equipped with instruments that can distinguish between liquid and solid particles at 200 mph, for example. A major objective is to find these needles in the haystack – the first few ice crystals that form in amongst the hundreds of cloud droplets per every cubic centimetre of cloud.

MLS_H20 logo Microwave Limb Sounder (MLS) Prototype Water Vapour Data    Key 
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The Microwave Limb Sounder (MLS) is a satellite-borne instrument making limb sounding measurements of atmospheric composition at microwave frequencies. The dataset contains prototype water vapour profiles from the Microwave Limb Sounder (MLS) data, retrieved at the University of Edinburgh. Data generally cover wider altitude range than "official" MLS version 4 retrievals and are available at a higher vertical resolution. Coverage is from September 1991 to April 1993.

Model simulations from the Quantifying variability of the El Nino Southern Oscillation on adaptation-relevant time scales using a novel palaeodata-modelling approach (QPENSO) project   
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Model simulations undertaken by the Quantifying variability of the El Nino Southern Oscillation on adaptation-relevant time scales using a novel palaeodata-modelling approach (QPENSO) project. These are coupled ocean-atmosphere experiments with a modified version of the HadCM3 (UM version 4.5) climate model. The model has been modified to include stable isotopes of oxygen in both the ocean and atmosphere sub-models, after Tindall et al., 2009. The simulations are grouped into two experiments: 1) 'picontrol', comprising a single 750 year duration unforced pre-industrial boundary condition simulation; 2) 'forced', comprising a suite of six historical simulations of the interval 1160-1360 AD and including changes in solar, volcanic and greenhouse gas forcing. The six simulations represent an initial-condition ensemble over this interval.

quest_marquest logo Monthly Phytoplankton Size Class and Variation in Air-Sea Fluxes of Gases from Ocean to Atmosphere Model Data from the Marine Biogeochemistry and Initiative in Quantifying and Understanding the Earth System (MarQUEST)   
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Data from the Marine Biogeochemistry and Initiative in QUEST (MarQUEST) project. This project comes under QUEST Theme 1 (The contemporary carbon cycle and its interactions with climate and atmospheric chemistry). MarQUEST was led by Prof Andrew Watson (University of East Anglia), with 15 co-investigators at UEA/BAS (British Antarctic Survey), the Universities of Southampton, Essex, and Reading, and from the Plymouth Marine Laboratory and Proudman Oceanographic Laboratory. Dataset includes variation in air-sea fluxes of gases (CO2, oxygen and dimethyl sulphide) from ocean to atmosphere to be quantified for the contemporary period and monthly Phytoplankton Size Class (Micro, Nano, Pico) for 1998-2007.

noaa-20cr-v2 logo National Oceanic and Atmospheric Administration (NOAA) - Cooperative Institute for Research in Environmental Sciences (CIRES) Twentieth Century Global Reanalysis Version II Dataset   
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The 20th Century Reanalysis (Version 2) Dataset was produced by the National Oceanic and Atmospheric Administration (NOAA) and University of Colorado's Cooperative Institute for Research in Environmental Sciences (CIRES), members of the international Twentieth Century Reanalysis (20CR) project. The data were produced through international cooperation under the auspices of the international Atmospheric Circulation Reconstructions over the Earth (ACRE) initiative, and working groups of the Global Climate Observing System (GCOS) and the World Climate Research Program (WCRP). The 20CR project produced comprehensive global atmospheric circulation data spanning from late 19th century to the early 21st century, having only assimilated surface synoptic pressure observations and using observed monthly sea-surface temperature and sea-ice distributions from the HadISST dataset, courtesy of the Met Office Hadley Centre, as boundary conditions. Analyses every 6 hours on a 2 degree grid were produced to give the most likely state of the atmosphere based on a 56 ensemble member runs. Means, spreads and all ensemble members for each time step are available in the dataset archived at the BADC. The current 20CR output produced spans from 1871 to present with the BADC copy being updated when possible.

NCAS Long Term Observations of atmospheric dynamics and composition    Key 
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The UK's Natural Environment Research Council's (NERC) National Centre for Atmospheric Sciences (NCAS) operates a suite of instrumentation to monitor the atmospheric dynamics and composition of the atmosphere. This dataset brings together all the long term routine observations made by NCAS instruments covering surface based instruments as well as remote sensing instruments such as radars and lidars. Some of the instruments may also be deployed elsehwere on field campaigns, for which the data will be available under the associated field campaign dataset. Links are also available to pages describing the instruments from which links to all data from that particular instrument can be found.

neon logo NEON infra-red camera test data on deployment aboard the Facility for Airborne Atmospheric Measurements (FAAM) BAe-146 aircraft    Key 
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This project is a trial to test the operation of the NEON Infra-Red camera mounted on board the Facility for Airborne Atmospheric Measurements (FAAM) BAE-146 aircraft. The camera is used to detect the contrast between a runway and surrounding grass areas.

NOCS (National Oceanography Centre, Southhampton) Flux Datasets: marine surface meteorology and fluxes.   
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NOCS (National Oceanography Centre, Southampton) v2.0 is a monthly mean gridded dataset of marine surface meteorology and fluxes constructed using optimal interpolation using ship data only from ICOADS (International Comprehensive Ocean-Atmosphere Data Set) v2.4. The dataset is presented as monthly mean values on a 1˚ area grid and each grid-box is characterised with estimates of random, bias and total uncertainty. The monthly mean dataset is calculated from daily estimates of each variable and the standard deviation of these daily values within each month is also presented. Users are advised to take account of the uncertainty estimates provided in any analysis, and to note that in very poorly sampled regions, such as the Southern Ocean, the uncertainty estimates themselves may be unreliable. Surface meteorological fields have been adjusted to account for varying measurement heights and for known biases. Surface fluxes have been calculated from daily fields of the surface meteorological parameters in the dataset using bulk parameterisations. The NOCS v2.0 flux dataset was funded by the Oceans2025 project.

rapid_enso logo Numerical model and observational data from Rapid Climate Change (RAPID), Improving our Ability to Predict Rapid Changes in the El Nino Southern Oscillation Climatic Phenomenon Project    Key 
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Data from the "Improving our ability to predict rapid changes in the El Nino Southern Oscillation climatic phenomenon" project, which was a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 1 - NER/T/S/2002/00443 - Duration 1 Jan 2004 - 30 Sep 2007) led by Prof Alexander Tudhope of the University of Edinburgh, with co-investigators at the Scottish Universities Environment Research Centre, Bigelow Laboratory for Ocean Sciences, and the University of Reading. Access to this dataset was initially restricted to participants only.

rapid_isomapuk logo Numerical model and observational data from Rapid Climate Change (RAPID), ISOMAP UK Project    Key 
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Data from the "ISOMAP UK" project. This was a combined data-modelling investigation of water isotopes and their interpretation during rapid climate change events project is a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 1 - NER/T/S/2002/00460 - Duration 1 May 2003 - 30 Apr 2008) led by Prof J.A. Holmes of the University College London, with co-investigators at the University of Southampton, University of Liverpool, University of Manchester, University of Bristol and the NERC British Antarctic Survey. Access to this dataset was initially restricted to participants only. Dataset contains comparison of high-resolution isotope records from terrestrial archives in NW Europe with model simulations of isotopes in precipitation.

rapid_greenland logo Numerical model and observational data from Rapid Climate Change (RAPID), Mass Balance and Freshwater Contribution of the Greenland Ice Sheet: a Combined Modelling and Observational Approach Project    Key 
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Data from "The Mass balance and freshwater contribution of the Greenland ice sheet: a combined modelling and observational approach" project, which was a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Joint International Round - NE/C51631X/1 - Duration 1 Jun 2005 - 30 Nov 2008) led Prof Jonathan Bamber of the University of Bristol, with co-investigators at the Nansen Environmental & Remote Sensing Center, Norway,the Royal Netherlands Meteorology Institute and Dr MR van den Broeke, University of Utrecht, Netherlands. Access to this dataset was initially restricted to participants only. The dataset quantifies how, where and when the Greenland ice sheet has fed fresh water through iceberg calving, subglacial melting and meltwater runoff into the surrounding ocean during the last half century.

rapid_arctic_conti_shelves logo Numerical model data from Rapid Climate Change (RAPID), Processes Controlling Dense Water Formation and Transport on Arctic Continental Shelves Project    Key 
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These are data from the Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 1 - NER/T/S/2002/00425 - Duration 1 Oct 2003 - 12 Jan 2007) "The Processes controlling dense water formation and transport on Arctic continental shelves". This Project was led by Prof Andrew Willmott of the Proudman Oceanographic Laboratory, with co-investigators at the Proudman Oceanographic Laboratory and Keele University. Access to this dataset was initially restricted to participants only. The dataset contains parameterisations for dense water production in polynyas for application in non-polynya resolving ocean circulation models, and results of the testing of these in a coupled sea ice-shelf sea model of the Barents Sea.

rapid_nordic_seas logo Numerical model and observational data from Rapid Climate Change (RAPID), Circulation,Overflow, and Deep Convection Studies in the Nordic Seas using Tracers and Models    Key 
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Data from "The Circulation, overflow, and deep convection studies in the Nordic Seas using tracers and models" project is a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 1 - NER/T/S/2002/00446 - Duration 1 Aug 2003 - 31 Oct 2006 ) led by Prof Andrew Watson of the University of East Anglia, also with co-investigators at the University of East Anglia. Dataset contains sources of water in the Greenland-Scotland overflows: recent tracer release and transient tracer observations, as well as the initiation of convection and its relation to submesoscale hydrodynamics. Access to this dataset was initially restricted to participants only.

rapid_air-sea_forcing logo Numerical model and observational data from the Rapid Climate Change (RAPID), The Role of Air-Sea Forcing in Causing Rapid Changes in the North Atlantic Thermohaline Circulation Project    Key 
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Data from "The Role of Air-Sea Forcing in Causing Rapid Changes in the North Atlantic Thermohaline Circulation" project was a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 1 - NER/T/S/2002/00427 - Duration 16 Feb 2004 - 15 Oct 2007) led by Dr Simon Josey of National Ocenaography Centre, with co-investigators also at the National Oceanography Centre. Access to this dataset was initially restricted to participants only. Dataset contains analysis of coupled model output, and observational datasets, of surface forcing variability in ocean circulation.

rapid_holocene logo Numerical model and observtional data from the Rapid Climate Change (RAPID), Quantitative Applications of High-Resolution Late Holocene Proxy Data Sets: Estimating Climate Sensitivity and Thermohaline Circulation Influences Project    Key 
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Data from "The Quantitative applications of high-resolution late Holocene proxy data sets: estimating climate sensitivity and thermohaline circulation influences" project, which was a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 1 - NER/T/S/2002/00440 - Duration 1 Jul 2003 - 30 Jun 2008) led by Prof Keith Briffa of the University of East Anglia, with co-investigators at the University of East Anglia. Access to this dataset was initially restricted to participants only.

rapid_little_ice_age logo Numerical model data from the Rapid Climate Change (RAPID) - To What Extent was the Little Ice Age a Result of a Change in the Thermohaline Circulation? Project    Key 
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Data from the "To what extent was the Little Ice Age a result of a change in the thermohaline circulation?" project. This was a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Joint International Round - NE/C509507/1 - Duration 1 Aug 2005 - 31 Jul 2008) led by Dr Tim Osborn of the University of East Anglia, with co-investigators at the University of East Anglia and Royal Netherlands Meteorology Institute. Access to this dataset was initially restricted to participants only. The dataset contains analysis of whether the Little Ice Age climate could have been generated by one or more of the following factors: a weakening of the Atlantic thermohaline circulation; the persistence of a generally negative North Atlantic Oscillation; or reduced radiative forcing (by increased volcanic activity, reduced solar insolation and lower greenhouse gas concentrations relative to the present).

rapid_assimilation logo Numerical model data from the Rapid Climate Change (RAPID), Assimilation in Ocean and Coupled Models to Determine the Thermohaline Circulation Project    Key 
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Data from "The Assimilation in ocean and coupled models to determine the thermohaline circulation" project is a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 2 - NE/C509058/1 - Duration 1 Sep 2005 - 30 Sep 2009) led by Prof Keith Haines of the University of Reading, with co-investigators at the National Oceanography Centre. Dataset contains Atlantic Ocean Thermohaline Circulation measurements. Access to this dataset was initially restricted to participants only.

rapid_predictability logo Numerical model data from the Rapid Climate Change (RAPID), Predictability of Rapid Climate Change Associated with the Atlantic Thermohaline Circulation Project    Key 
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Data from "The Predictability of rapid climate change associated with the Atlantic thermohaline circulation" project. This was a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 2 - NE/C509174/1 - Duration 1 Jan 2005 - 18 Sep 2008) led by Prof Rowan Sutton of the University of Reading, with co-investigators at the University of Oxford and at the National Oceanography Centre. The dataset identifies the dominant sources of uncertainty in General Circulation Model predictions of the Thermohaline Circulation. Access to this dataset was initially restricted to participants only.

rapid_impact_clim_change logo Numerical model data from the Rapid Climate Change (RAPID), The Impact of Climate Change on the North Atlantic and European Storm-Track and Blocking Project    Key 
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Data from "The impact of climate change on the North Atlantic and European storm-track and blocking" project is a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 2 - NE/C509115/1 - Duration 14 Mar 2005 - 13 Mar 2008) led by Prof Sir Brian Hoskins of Imperial College London, Grantham Institute for Climate Change, with co-investigators also at the University of Reading. Access to this dataset was initially restricted to participants only.

rapid_thcmip logo Numerical model data from the Rapid Climate Change (RAPID), Understanding Uncertainty in Simulations of THC-Related Rapid Climate Change Project Results    Key 
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Data from "The Understanding uncertainty in simulations of THC-related rapid climate change project". This was a Natural Environment Research Council (NERC) RAPID Climate Change Research Programme project (Round 2 - NE/C509366/1 - Duration 20 Jun 2005 - 19 Apr 2011) led by Prof Jonathan Gregory of the University of Reading. Access to this dataset was initially restricted to participants only. The dataset contains comparisons of the responses simulated by a range of climate models, which include hadcm3, famous, chime, forte and frugal.

Rapid-Rapit logo Numerical model data from the Rapid Climate Change (RAPID-WATCH ), Risk Assessment, Probability and Impacts Team (RAPID-RAPIT) Project    Key 
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Data from the RAPID-WATCH "Risk Assessment, Probability and Impacts Team (RAPID-RAPIT)" project. RAPIT is looking at the problem of estimating the risk of the collapse of the overturning circulation. Using modern statistical methods for the analysis of complex numerical models, large ensembles of two Atmosphere Ocean General Circulation Models (HADCM3 and CHIME) will be analysed. Studies of large excursions of the strength of the overturning in existing control runs will be used to guide our choice of metrics and diagnostics. To produce the large number of model runs that are required for the statistical analysis, the climateprediction.net system will be used.

urgent_pumaco logo Observation, Modelling And Management Of Urban Air Pollution (PUMA COnsortium - PUMACO) Data, Part of the Urban Regeneration and the Environment (URGENT) Program   
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Observation, Modelling And Management Of Urban Air Pollution (PUMA COnsortium - PUMACO) is a Natural Environment Research Council (NERC) Urban Regeneration and the Environment (URGENT) Air project (GST/02/1981 - Duration: 1/01/1998 - 30/09/2001) led by Prof. Roy M. Harrison, University of Birmingham. The dataset contains measurements of concentrations of a wide range of both long-lived and transient chemical species including hydrocarbons, carbonyl compounds, oxyacids of nitrogen and the free radical species OH, HO2, RO2 and NO3.

ukmo_NWP_UKV logo Operational Numerical Weather Prediction (NWP) Output from the UK Variable (UKV) Resolution Part of the Met Office Unified Model (UM)   
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Data from the operational NWP (Numerical Weather Prediction) output from the Variable resolution UK (UKV) part of the Met Office Unified Model. This latest configuration of the UM model has a high resolution inner domain (1.5 km grid boxes) over the area of forecast interest, separated from a coarser grid (4 km) near the boundaries by a variable resolution transition zone. This variable resolution approach allows the boundaries to be moved further away from the region of interest, reducing unwanted boundary effects on the forecasts. The UKV model is kept close to observations using 3D-Var data assimilation every 3 hours. This archive is currently being populated at the BADC.

ukmo_NWP_global logo Operational Numerical Weather Prediction (NWP) Output from the Global Atmospheric Part of the Met Office Unified Model (UM)   
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Data from the operational NWP (Numerical Weather Prediction) output from the global atmospheric part of the Met Office Unified Model. Analyses and first forecast steps are stored to give an hourly time resolution for 6 hours following each analysis time-step. This archive currently holds data from January 2012 onwards but data will be back populated for earlier years.

ukmo_NWP_NAE logo Operational Numerical Weather Prediction (NWP) Output from the North Atlantic European (NAE) Part of the Met Office Unified Model (UM)   
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Data from the operational NWP (Numerical Weather Prediction) output from the North Atlantic European (NAE) part of the Met Office Unified Model. The NAE model runs on a grid centred around the UK. Analyses and first forecast steps are stored to give an hourly resolution for 6 hours following each analysis time-step. This archive currently holds data from January 2012 onwards but data will be back populated for earlier years.

Met Office -Operational  NWP D logo Operational NWP (Numerical Weather Prediction) Output from the Met Office Unified Model (UM) - Oct. 2000 - Jan. 2012 only    Key 
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Data from the operational NWP (Numerical Weather Prediction) output from the Met Office Unified Model. These data are from both the Global and the North Atlantic European (NAE) part of the model. The NAE model runs on a grid centred around the UK. Analyses and intermediate forecast steps are stored to give an hourly time resolution for 6 hours following each analysis time-step. This archive only holds data to January 2012. A new NWP archive is being populated with data from January 2012.

africa-lam_012010 logo Output Runs from the Met Office Limited Area Model for Africa (Africa-LAM)    Key 
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The Africa LAM Dataset is a collection of data outputs from a high resolution Numerical Weather Prediction (NWP) Limited Area Model over Africa (the Africa LAM), developed by the Met Office. Data is available for the period 2010 to September 2013. Data covering the period Jan 2010 to mid-March 2011 are from the 20km 38L model configuration while data from mid-March 2011 to 11th September 2013 are higher resolution from the 12km 70L model configuration. This dataset is access restricted to the academic research community only.

polltro_ovocs logo Polluted Troposphere, Measurements of OVOCs (Oxygenated Volatile Organic Compounds) and NMHCs (NonMethane HydroCarbons) in the polluted troposphere   
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Advanced GC-MS technology for observing Oxygenated volatile organic compounds (OVOCs) and Nonmethane hydrocarbons (NMHCs) in the polluted troposphere is a Natural Environment Research Council (NERC) Polluted Troposphere Research project (Round 1 - NER/T/S/2002/00151 - Duration 2002 - 2005) and was led by DR D Shallcross, University of Bristol. Data consist of tropospheric concentrations of OVOCs which included methanol, ethanol, propanol, butanol, methyl butenol (MBO), acetone, butanone, 3-methyl furan, acrolein, mathacrolein, methyl vinyl ketone and the C2 to C6 aldehydes, as well as nonmethane hydrocarbons.

acsoe-mage-eae logo Profiles of Aerosol Size and Distribution, and Trace Gases throughout the Marine Boundary Layer Data from the Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE)/ Marine Aerosol and Gas Exchange (MAGE) project   
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The Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE) was a 5-year Natural Environment Research Council (NERC) programme on tropospheric chemistry coordinated by the University of East Anglia and involving research groups from a number of UK universities and research institutes. The project had three consortia of UK institutes and universities, each of which focused on a different scientific topic. The aims of the Marine Aerosol and Gas Exchange (MAGE) Eastern Atlantic Experiment were to quantify input of Dimethyl sulphide (DMS) into a parcel of air, examine the oxidation of DMS and its reaction with nitrogen species with time, investigate the formation of new particles as a results of these transformations, and to discriminate between natural and anthropogenic fractions of sulphur and nitrogen using isotopic measurements. Data contains profiles of aerosol size and distribution and trace gases throughout the marine boundary layer, taken using the British Aerospace Jetstream aircraft.

quaternary_quest logo Quaternary QUEST (Quantifying and Understanding the Earth System): marine isotope data compilation (150,000 years ago to present)   
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Data from the Quaternary QUEST(Quantifying and Understanding the Earth System) project comes under QUEST Theme 2 (The natural regulation of atmospheric composition on glacial-interglacial and longer time scales). Quaternary QUEST is led by Prof Tim Lenton at the University of East Anglia, with a team of 10 co-investigators at the Universities of Cambridge, Oxford, Reading, Leeds, Bristol, East Anglia, and Southampton. The dataset contains marine isotope data compilation for the last 150,000 years, as last updated on 31st October 2008.

QUEST Earth System Data Initiative (QESDI)   
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Building and maintaining an active platform for data access and exchange among scientists involved in any of QUEST���s activities, to include both input data used by various activities, and selected key outputs (value-added data sets). The activities are additional to data management provided by the BADC in the sense that they are specifically designed for cross-project exchange. The work will involve active management of QUEST data sets to gain and publicize an overview of data sets both produced and used throughout the QUEST community. The platform for data exchange will be a QUEST portal based on existing technology (following the NERC-ESSC GODIVA portal: http://www.nerc-essc.ac.uk/godiva). When the portal is finished, all archived QUEST data will be accessible through it. According to the QUEST data policy, all data become publicly accessible one year from acquisition. In the case that some data is not yet in the public domain, the portal will allow those data to be access-restricted, and provide an automatic lifting of that restriction by the time it goes public.

qfish logo QUEST Fish (Quantifying and Understanding the Earth System - Predicting impacts and consequences of climate change on fisheries): biomass estimates in four weight categories for exclusive economic zones   
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Data from the "Predicting impacts and consequences of climate change on fisheries" or "QUEST Fish" project comes under QUEST Theme 3 (The implications of global environmental changes for the sustainable use of resources). QUEST Fish is led by Dr Manuel Barange (PML) with 18 co-investigators from the Proudman Oceanographic Laboratory, the Plymouth Marine Laboratory (PML), Centre for Environment, Fisheries and Aquaculture Science (CEFAS), University of Plymouth, University of Portsmouth, Spanish Natural Research Council (CSIC), the University of East Anglia, WorldFish Centre, IPSL, International Council for the Exploration of the Sea (Denmark), Met Office, French Institute of Research for Development (IRD) and University of North Carolina. The dataset contains biomass estimates in 4 weight classes for exclusive economic zones.

quest_palaeoqump logo QUEST PalaeoQUMP (Quantifying and Understanding the Earth System - Using Palaeodata to Quantify Uncertainties in Model Prediction): Global Charcoal Database   
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Data from the QUEST PalaeoQUMP project. This used palaeodata to reduce uncertainties in climate prediction and was a QUEST (Quantifying and Understanding the Earth System) Theme 2 project (The natural regulation of atmospheric composition on glacial-interglacial and longer time scales). PalaeoQUMP was headed by Prof Sandy Harrison of the University of Bristol, with co-investigators at the University of Southampton and Durham University. Dataset contains results from running a series of simulations of the modern climate, systematically altering parameter values and comparing them with observations.

RAPID-WATCH - The Value of the RAPID array for climate predictions (VALOR)   
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Data from the RAPID-WATCH VALOR project. VALOR will investigate how the inclusion of RAPID-WATCH observations into the 'initial conditions', used to start climate model simulations, can refine predictions of the future climate and, particularly, the future state of the AMOC. The project will develop ways to assimilate the RAPID-WATCH and other ocean observations into ocean models which will then be used to produce ocean 'syntheses' - complete data sets of our best guess of past ocean state. Similar syntheses will also be produced which exclude the RAPID-WATCH observations.Both of these sytheses will then be used to start prediction experiments in climate models. By comparing the climate model simulations starting with and without the RAPID-WATCH observations, the impact of the the RAPID-WATCH array observations on climate predictions, and the climate model AMOC can be found.

Results from the Antarctic Mesoscale Prediction System (AMPS), real-time numerical weather prediction for the Antarctic   
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The Antarctic Mesoscale Prediction System—AMPS— is an experimental, real-time numerical weather prediction capability that provides support for the United States Antarctic Program, Antarctic science, and international Antarctic efforts. AMPS produces numerical guidance from the Weather Research and Forecasting (WRF) model with twice-daily forecasts covering Antarctica. The effort is sponsored by the National Science Foundation (NSF) Office of Polar Programs and the NSF UCAR and Lower Atmospheric Facilities Oversight Section. It is a collaboration of the National Center for Atmospheric Research and the Byrd Polar Research Center of The Ohio State University.

RONOCO (ROle of Nighttime chemistry in controlling the Oxidising Capacity of the AtmOsphere) atmospheric chemistry data from aircraft and Air Quality Unified Model runs    Key 
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Atmospheric chemistry measurements were made during a series of campaign flights by the Facility for Airborne Atmospheric Measurements' (FAAM) BAE-146 research aircraft as part of the NERC funded RONOCO (ROle of Nighttime chemistry in controlling the Oxidising Capacity of the AtmOsphere) consortium project. These campaign data are available along with model output from the Met Office's Air Quality Unified Model (AQUM). The overall objective of this consortium project was to advance substantially our understanding of night-time chemical processes and their impacts on the troposphere through a combined programme of instrument development, airborne measurements and numerical modelling. The dataset contains images from the model output in png format.

MSF logo Rutherford Appleton Laboratory (RAL) Molecular Spectroscopy Facility (MSF) Data    Key 
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These data are held by the BADC for the Natural Environment Research Council (NERC) Molecular Spectroscopy Facility (MSF). MSF provides world-class scientific equipment and support for infrared (IR),visible, and ultraviolet (UV) spectroscopy. The MSF laboratories are used by many UK and international customers in a wide range of research and development programmes. The data are spectra of various atmospheric gases. These data are public.

ATSR logo Sea Surface Temperatures from the Along Track Scanning Radiometer (ATSR-1) - 1991-1995   
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An infra-red radiometer capable of measuring sea surface temperature to better than 0.3K. The cd-rom dataset consists of two data products: (a) Spatially averaged sea surface temperatures (ASSTs) and (b) Time averaged global maps. The ASSTs are provided daily in half-degree cells together with temporal and positional information. The data cover the period August 1991 to July 1995. This dataset is public.

dendroclimatic_div logo Series of Adjusted Tree-Ring Density Data, New Tree-Ring Width Chronologies and Scaled Temperature Reconstructions from the NERC Research Mode 2010 Dendroclimatic Divergence Phenomenon: Reassessment of Causes and Implications for Climate Reconstruction Project    Key 
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The project will produce series of “adjusted “ tree-ring density data , new tree-ring width chronologies (series produced from processed measurements) and scaled temperature reconstructions (various) spanning up to 2000 years – all from one area of northern Siberia (Yamalia). Oak ring-width data compiled for East Anglia and a 1000 year reconstruction of rainfall (a single series) based on them will be produced. Alternative temperature reconstructions for Northwest Sweden (Tornetrask region) and associated sets of measurement (ring width and adjusted density) data will also be generated. For the Yamalia, Tornetrask, East Anglia oak, the raw data and the chronologies or reconstructions will be stored at WDC-Paleo/ITRDB and a copy of the data will be preserved at the BADC. This is a NERC funded project.

ufam-shoeburyness logo Shoeburyness Field Trial : Investigation of Meteorological Effects on the Sound Propagation from a Helicopter Operating Near a Land Sea Interface Project Data   
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Field experiment in May 2006 to investigate noise modelling of helicopters with regard to long range sound propagation. The trial sought to understand more fully the meteorological effects on sound propagation over a land sea interface. Data is now public. The dataset contains profiles of the radial velocity at points along the aircraft flight path and standard meteorological measurements from an automatic weather station.

cpdn logo Simulation results from the Climateprediction.net project   
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The Climateprediction.net project is harnessing the spare CPU cycles of tens of thousands of individual users' PCs to run a massive ensemble of climate simulations using the Met Office's Unified Model. A multi-thousand member ensemble of simulation results from the perturbed physics climate sensitivity experiment is available for research purposes.

GERB logo Solar and Thermal Radiation Data from the Geostationary Earth Radiation Budget (GERB) Experiment    Key 
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The Geostationary Earth Radiation Budget (GERB) instrument makes accurate measurements of the Earth Radiation Budget. It is specifically designed to be mounted on a geostationary satellite and is carried onboard the Meteosat Second Generation satellite operated by European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT). The first GERB instrument, GERB-2, was onboard Meteosat Second Generation satellite, MSG-1, and began transmitting data on 12th December 2002. GERB-1 was launched onboard MSG-2 on 21st December 2005. Future GERB sensors units are planned for MSG-3 and MSG-4. The dataset contains the incident and reflected solar radiation together with thermal radiation emitted by the Earth's atmosphere.

SPECS: Seasonal to decadal climate prediction    Key 
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SPECS will undertake research and dissemination activities to deliver a new generation of European climate forecast systems, with improved forecast quality and efficient regionalisation tools to produce reliable, local climate information over land at seasonal-to-decadal time scales, and provide an enhanced communication protocol and services to satisfy the climate information needs of a wide range of public and private stakeholders. The improved understanding and seamless predictions will offer better estimates of the future frequency of high-impact, extreme climatic events and of the prediction uncertainty. New services to convey climate information and its quality will be used. SPECS will be, among other things, the glue to coalesce the outcome of previous research efforts that hardly took climate prediction into account. It will ensure interoperability so as to easily incorporate their application in an operational context, provide the basis for improving the capacity of European policy making, industry and society to adapt to near-future climate variations and a coordinated response to some of the GFCS components.

armagh logo The Armagh Observatory Climate Observation Data (1796-present)   
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Data from the Armagh Observatory, founded in 1790 by Archbishop Richard Robinson. As well as astronomical observations various meteorological parameters have been recorded since 1794. The data held at the BADC are daily, mean monthly and seasonal and annual maximum and minimum temperatures from 1844, the 1m and 30 cm depth soil temperatures since 1904, precipitation since 1838 and sunshine daily and mean data produced by Armagh Observatory. If users wish to find data from other areas of work undertaken by the observatory they should visit the Armagh Observatory website.

micromix logo The Facility for Airborne Atmospheric Measurements (FAAM) Aircraft Data for the MICROwave investigation of MIXed phase cloud (MICROMIX) project    Key 
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The MICROwave investigation of MIXed phase cloud (MICROMIX) project is a Facility for Airborne Atmospheric Measurements (FAAM) Campaign from late 2005, beginning of 2006, which aimed at testing and improving the representation of mixed phase clouds in radiative transfer models. The intention was to fly the FAAM BAE-146 aircraft in conjunction with the Chilbolton radar facility and ASMU overpasses in order to characterise the in-situ microphysics, spatial variability of the microphysics and the radiative properties respectively.

accmip logo The model data outputs from the Atmospheric Chemistry & Climate Model Intercomparison Project (ACCMIP)    Key 
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The Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) is organized under the auspices of Atmospheric Chemistry and Climate (AC&C), a project of International Global Atmospheric Chemistry (IGAC) and Stratospheric Processes And their Role in Climate (SPARC) under International Geosphere Bisosphere Programme (IGBP) and World Climate Research Programme (WCRP). The Atmospheric Chemistry and Climate Model Intercomparison Project (ACC-MIP) consists of several sets of simulations that have been designed to facilitate useful evaluation and comparison of the AR5 (Intergovernmental Committee on Climate Change Assessment Report 5) transient climate model simulations. The proposed list of experiments and diagnostics is aimed at providing necessary information for scientific studies spanning the AC&C interests. Access is currently restricted to project participants only.

MST Radar logo The Natural Environment Research Council (NERC) Mesosphere-Stratosphere-Troposphere (MST) Radar Facility at Aberystwyth Data    Key 
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Data from the instruments at the Natural Environment Research Council (NERC) Mesosphere-Stratosphere-Troposphere (MST) Radar Facility near Aberystwyth in West Wales. The principal measurements made by the MST radar are of the three dimensional wind vector over the altitude range 2 - 20 km. Surface meteorological measurements from the radar site, ceilometer data, sky camera images and wind speed and direction recorded from a 10m tower located 6km away are also available. Other instruments at the facility have included one of the Met Office's boundary layer wind profilers and NCAS's boundary layer wind profiler.

ufam_intercomparison logo The Universities' Facility for Atmospheric Measurement (UFAM) Intercomparison Experiment wind profile data   
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The Universities' Facility for Atmospheric Measurement (UFAM) intercomparison field campaign took place in September 2002 at the Met Office Meteorological Research Unit (MRU), Cardington. The dataset contains measurements of wind speed and direction and turbulence parameters made with several of the UFAM instruments and the Met Office in-situ balloon borne tethersondes. These data are publicly available.

CMIP3 logo The World Climate Research Programme's (WCRP's) Coupled Model Intercomparison Project phase 3 (CMIP3) multi-model dataset    Key 
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Unprecedented collection of recent model output collected by the Program for Climate Model Diagnosis and Intercomparison (PCMDI, Lawrence Livermore National Laboratory) and officially known as the World Climate Research Programme's (WCRP's) Coupled Model Intercomparison Project phase 3 (CMIP3) multi-model dataset or "WCRP CMIP3 multi-model dataset." It is meant to serve IPCC's Working Group 1, which focuses on the physical climate system -- atmosphere, land surface, ocean and sea ice. Climate model output from simulations of the past, present and future climate was collected by PCMDI mostly during the years 2005 and 2006.

quest_quaac logo UK Chemistry and Aerosols (UKCA) Model Outputs from the QUEST (Quantifying and Understanding the Earth System) Atmospheric Aerosols and Chemistry (QUAAC) Project   
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Data from the QUAAC (QUEST (Quantifying and Understanding the Earth System) Atmospheric Aerosols and Chemistry) project, a QUEST Theme 1 research project(The contemporary carbon cycle and its interactions with climate and atmospheric chemistry). Led by Prof John Pyle (University of Cambridge), with 11 co-investigators at the Universities of Sheffield, Leeds, York, Lancaster and Manchester, and from the Centre for Ecology and Hydrology. The dataset includes results of the development and testing of chemistry and aerosol schemes to include in a climate model, a range of schemes to describe (interactively wherever possible) surface emissions of reactive trace gases, and new surface deposition schemes.

UGAMPO3 logo UK Universities Global Atmospheric Modelling Programme (UGAMP) Global Ozone Climatology Project Dataset   
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The UK Universities Global Atmospheric Modelling Programme (UGAMP) ozone climatology project dataset contains a 4-dimensional climatology of ozone monthly means, combining various satellite observations and ozone sonde data. The data are global and cover the Years 1985 to 1989. The data are public.

utls_cirrus logo Upper Tropospher Lower Stratosphere (UTLS), Anthropogenic influence on UTLS clouds and aerosol (CIRRUS) Project Data    Key 
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Anthropogenic influence on Upper Tropospher-Lower Stratosphere (UTLS) clouds and aerosol (CIRRUS) UTLS round 5 project led by Prof. Tom Choularton. The dataset contains the total number of Condensation Nuclei (CN), CCN, IN and the size distribution of optically active particles in clean and polluted air in the UTLS region over the UK, the number, size distribution, phase and morphology of droplets and crystals in cirrus cloud.

SLIMUTLS logo Upper Troposphere Lower Stratosphere (UTLS) Program's SLIMCAT Chemistry-Transport Model Dataset Output   
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A set of example output from the SLIMCAT chemical transport model (CTM). It includes three-dimensional global fields of stratospheric and tropospheric chemical (and sometimes meteorological) variables as computed for twelve dates in 1997, near the middle of each month. Data from Martyn Chipperfield, University of Leeds. NERC Research Programme UTLS-Ozone (Upper Troposphere and Lower Stratosphere) and National Centre for Earth Observation (NCEO).

GOME logo Vertical Profiles of Ozone and other Trace Gases Data from the Global Ozone Monitoring Experiment (GOME) on-board the European Remote Sensing - 2 (ERS-2) satellite    Key 
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Ozone profiles derived by the remote sensing group at National Centre for Earth Observation (NCEO, at the Rutherford Appleton Laboratory, Oxfordshire, UK) from radiances measured by the Global Ozone Monitoring Experiment (GOME) on-board the European Remote Sensing - 2 (ERS-2) satellite. The dataset also includes total column ozone, column BrO, and column NO2. Cloud heights derived from the Along Track Scanning Radiometer (ATSR) are included to aid interpretation of the ozone profiles.

wlsta logo World Land Surface Temperature Atlas (WLSTA) for 1992-1993   
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This CD-ROM is produced by the European Space Agency (ESA) and contains land surface temperature demonstration products as estimated from the Advanced Very High Resolution Radiometer (AVHRR) sensor onboard the National Oceanic and Atmospheric Administration (NOAA) series of polar orbiters. The data used are from the full resolution (1 km) composites (decade) data set processed in the framework of the "1 km AVHRR Global Land Data Set" collaborative project of the United States Geological Survey (USGS) EROS Data Centre (EDC), NOAA, NASA, ESA under the guidance of IGBP and CEOS. This CD-ROM contains excerpts from the full resolution land surface temperature (1 km pixel) data set over Europe, as well as so called world monthly "climatic values" (0.5 degree x 0.5 degree grid). The full processed data set runs from July 1992 to June 1993.

This page created from MOLES database on Fri Oct 24 04:11:06 UTC 2014