Global Change Master Directorygsfc-gcmduso@mail.nasa.gov502013-05-19T12:15:34ZGCMD Search: Parametershttp://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 24480 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]Davis_region_orthoOrthophoto of the Davis region (East Antarctica) produced in 201277.89,-68.62,78.18,-68.511997-02-11T00:00:00Z1997-02-11T00:00:00Z2013-05-17T04:00:00ZThe extent of the Davis region orthophoto is from Powell Point in the north to Ellis Narrows in the south and from Plough Island in the west and to the eastern end of Lake Stinear in the east. The ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]199899010Aurora Australis Voyage 1 (FIRE) 1998-99 Underway Data140.0,-70.0,160.0,-42.01998-07-14T00:00:00Z1998-07-30T00:00:00Z2013-05-16T04:00:00ZThis dataset contains the underway data collected during the Aurora Australis Voyage 1 1998-99. This was a dedicated marine science cruise aimed at researching winter-time oceanographic, glaciological, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]199798030Aurora Australis Voyage 3 1997-98 Underway Data145.0,-60.0,160.0,-40.01997-11-14T00:00:00Z1997-11-28T00:00:00Z2013-05-16T04:00:00ZThis dataset contains the underway data collected during the Aurora Australis Voyage 3 1997-98. This was a Macquarie Island changeover and resupply voyage. Underway (meteorology, fluorometer, thermosalinograph ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]199798040Aurora Australis Voyage 4 (SEXY) 1997-98 Underway Data60.0,-70.0,160.0,-40.01997-11-29T00:00:00Z1998-01-22T00:00:00Z2013-05-16T04:00:00ZThis dataset contains the underway data from the Aurora Australis Voyage 4 (SEXY) 1997-98. This voyage was a part resupply/changeover, part seal survey cruise, which visited Casey, Davis, Mawson and ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]199798050Aurora Australis Voyage 5 1997-98 Underway Data60.0,-70.0,150.0,-40.01998-01-27T00:00:00Z1998-02-23T00:00:00Z2013-05-16T04:00:00ZThis dataset contains the underway data logged during the Aurora Australis Voyage 5 of the 1997-98 season. The purpose of this voyage was to resupply Mawson and retrieve expeditioners from Davis. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]199798060Aurora Australis Voyage 6 (SNARK) 1997-98 Underway Data140.0,-60.0,150.0,-40.01998-02-28T00:00:00Z1998-04-01T00:00:00Z2013-05-16T04:00:00ZThis dataset contains the underway data collected during the Aurora Australis Voyage 6 1997-98. This was a dedicated marine science cruise researching Subantarctic oceanography. Underway (meteorological, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]199798070Aurora Australis Voyage 7 (PICCIES) 1997-98 Underway Data75.0,-70.0,160.0,-40.01998-04-03T00:00:00Z1998-05-22T00:00:00Z2013-05-16T04:00:00ZThis dataset contains the underway data collected during the Aurora Australis Voyage 7 1997-98. This was a marine science cruise, which also visited Davis, Casey and Macquarie Island. The marine science ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_CZCSE_KOREA_1979Coastal Zone Color Scanner Experiment in Korea Peninsula, 1979132.47363,32.62087,122.32129,43.7393531979-01-01T00:00:00Z1979-12-31T00:00:00Z2013-05-16T04:00:00ZThe Coastal Zone Color Scanner Experiment (CZCS) was the first instrument devoted to the measurement of ocean color and flown on a spacecraft.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_CZCSE_KOREA_1980Coastal Zone Color Scanner Experiment in Korea Peninsula, 1980132.47363,32.62087,122.32129,43.7393531980-01-01T00:00:00Z1980-12-31T00:00:00Z2013-05-16T04:00:00ZThe Coastal Zone Color Scanner Experiment (CZCS) was the first instrument devoted to the measurement of ocean color and flown on a spacecraft.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_CZCSE_KOREA_1986Coastal Zone Color Scanner Experiment in Korea Peninsula, 1986132.47363,32.62087,122.32129,43.7393531986-01-01T00:00:00Z1986-07-18T00:00:00Z2013-05-16T04:00:00ZThe Coastal Zone Color Scanner Experiment (CZCS) was the first instrument devoted to the measurement of ocean color and flown on a spacecraft.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]PODAAC-ERS1B-SNEN0ERS-1 Gridded Level 3 Enhanced Resolution Sigma-0 from BYU-180.0,-79.7,180.0,88.21992-01-01T00:00:00Z1996-05-17T00:00:00Z2013-05-16T04:00:00ZThis European Remote Sensing (ERS) Sigma-0 dataset is generated by the Scatterometer Climate Record Pathfinder (SCP) project at Brigham Young University (BYU) and is generated using a Scatterometer ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]PODAAC-ERS2B-SNEN0ERS-2 Gridded Level 3 Enhanced Resolution Sigma-0 from BYU-180.0,-79.7,180.0,88.21996-06-03T00:00:00Z2001-01-30T00:00:00Z2013-05-16T04:00:00ZThis European Remote Sensing (ERS) Sigma-0 dataset is generated by the Scatterometer Climate Record Pathfinder (SCP) project at Brigham Young University (BYU) and is generated using a Scatterometer ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_OMPIXCOR_V003OMI/Aura Global Ground Pixel Corners 1-Orbit L2 Swath 13x24km V003 (OMPIXCOR) at GES DISC-180.0,-90.0,180.0,90.02004-10-01T00:00:00ZT00:00:00Z2013-05-16T04:00:00ZThe Version-3 Aura/OMI Pixel Corner Product, OMPIXCOR, is now available from the NASA Goddard Earth Sciences Data and Information Services Center (GES DISC)for the public access.(http://disc.gsfc.nasa.gov/Aura/OMI/ompixcor_v003.shtml ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_OMPIXCORZ_V003OMI/Aura Zoom-in Ground Pixel Corners 1-Orbit L2 Swath 13x12km V003 (OMPIXCORZ) at GES DISC-180.0,-90.0,180.0,90.02004-10-06T00:00:00ZT00:00:00Z2013-05-16T04:00:00ZThe Version-3 Aura/OMI Zoom-in Pixel Corner Coordinates and Pixel Size Product, OMPIXCORZ, is available (http://disc.gsfc.nasa.gov/Aura/OMI/ompixcorz_v003.shtml) from the NASA Goddard Earth Sciences ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_ODKSSA_2000Ozone data at King Sejong Station in the Antarctic, 2000-58.783333,-62.216667,-58.783333,-62.2166672000-01-01T00:00:00Z2000-12-31T00:00:00Z2013-05-16T04:00:00ZReport on ozone amount and its analysis of data measured by using Brewer Ozone Spectrophotometer (SCI-TEC #122) during Jan. 2000 at the King Sejong Station in the Antarctic.
http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_SVWFOVS_1998Sea-viewing Wide Field-of-view Sensor in Antarctic, Arctic, Korea Peninsula at 19980.5,-85.0,180.0,-60.0132.47363,32.62087,122.32129,43.739353-1.921875,59.431072,-88.94531,84.57471998-01-01T00:00:00Z1998-12-31T00:00:00Z2013-05-16T04:00:00ZThe SeaWiFS is designed to look at our planet from space to better understand it as a system in both behavior and evolution.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_SVWFOVS_2001Sea-viewing Wide Field-of-view Sensor in Antarctic, Arctic, Korea Peninsula at 20010.5,-85.0,180.0,-60.0132.47363,32.62087,122.32129,43.739353-1.921875,59.431072,-88.94531,84.57472001-01-01T00:00:00Z2001-12-31T00:00:00Z2013-05-16T04:00:00ZThe SeaWiFS is designed to look at our planet from space to better understand it as a system in both behavior and evolution.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_SVWFOVS_2006Sea-viewing Wide Field-of-view Sensor in Antarctic, Arctic, Korea Peninsula at 20060.5,-85.0,180.0,-60.0132.47363,32.62087,122.32129,43.739353-1.921875,59.431072,-88.94531,84.57472006-01-01T00:00:00Z2006-12-31T00:00:00Z2013-05-16T04:00:00ZThe SeaWiFS is designed to look at our planet from space to better understand it as a system in both behavior and evolution.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_SVWFOVS_2008Sea-viewing Wide Field-of-view Sensor in Antarctic, Arctic, Korea Peninsula at 20080.5,-85.0,180.0,-60.0132.47363,32.62087,122.32129,43.739353-1.921875,59.431072,-88.94531,84.57472008-01-01T00:00:00Z2008-12-31T00:00:00Z2013-05-16T04:00:00ZThe SeaWiFS is designed to look at our planet from space to better understand it as a system in both behavior and evolution.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_1018Desalinated Water Produced-180.0,-90.0,180.0,-60.50331968-01-01T00:00:00Z2007-12-31T00:00:00Z2013-05-15T04:00:00ZDesalinated water corresponds to the annual amount of fresh water generated by desalination of sea or brackish waters (annually estimated on the basis of the total capacity of water desalination installations).http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLCF_CRESS_62EOS Land Validation Core Site Characterization Data Set; EDC Land Cover Data Set for Site #4, BOREAS_NSA-145.27,37.3,-48.11,87.612013-05-15T04:00:00ZThis data set shows the EDC land cover classifications within the BOREAS_NSA site. The EROS Data Center (EDC), uses Land Cover data which are derived from the 1km AVHRR (Advanced Very High Resolution ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLCF_CRESS_110EOS Land Validation Core Site Characterizations Data Set; EDC Land Cover Data Set for Site #21, USDA ARS-79.71,37.69,-74.82,39.952013-05-15T04:00:00ZThis data set shows the EDC land cover classifications within the USDA ARS site. The EROS Data_Center (EDC), uses Land Cover data which are derived from the 1km AVHRR (Advanced Very High Resolution ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLCF_CRESS_57EOS Land Validation Core Site Characterizations Data Set; EDC Land Cover Data Set for Site #3, Bondville-91.79,36.71,-87.23,42.792013-05-15T04:00:00ZThis data set shows the EDC land cover classifications within the Bondville site. The EROS Data Center (EDC), uses Land Cover data which are derived from the 1km AVHRR (Advanced Very High Resolution ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLCF_CRESS_72EOS Land Validation Core Site Characterizations Data Set; EDC Land Cover Data Set for Site #6, Cascades-124.96,41.58,-116.06,46.682013-05-15T04:00:00ZThis data set shows the EDC land cover classifications within the Cascades site. The EROS Data Center (EDC), uses Land Cover data which are derived from the 1km AVHRR (Advanced Very High Resolution ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_1198Emissions of Total GHG (CO2, CH4, N2O, HFCs, PFCs and SF6) (National Reports, UNFCCC), Including Land Use, Land-Use Change and Forestry-180.0,-90.0,180.0,-60.50331990-01-01T00:00:00Z2008-12-31T00:00:00Z2013-05-15T04:00:00ZEmissions of Total GHG (CO2, CH4, N2O, HFCs, PFCs and SF6) (UNFCCC), Excluding Land-Use Change and Forestry The Global Warming Potential (GWP) is an index used to translate the level of emissions ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_1088Length of Coastline-180.0,-90.0,180.0,-60.50332000-01-01T00:00:00Z2000-12-31T00:00:00Z2013-05-15T04:00:00ZThe measurement of an irregular and curving feature such as a nation's coastal length is scale-dependent and very difficult to measure. Maps of individual islands for example, frequently show great ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_1068Plants - Number of Threatened Species-180.0,-90.0,180.0,-60.50331996-01-01T00:00:00Z2007-12-31T00:00:00Z2013-05-15T04:00:00ZThreatened species are those listed as Critically Endangered (CR), Endangered (EN) or Vulnerable (VU).
CRITICALLY ENDANGERED (CR).
A taxon is Critically Endangered when the best available evidence ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_1026WWF Ecoregions - Major Habitat Types (Biomes) Legend-180.0,-90.0,180.0,-60.50332001-01-01T00:00:00Z2001-12-31T00:00:00Z2013-05-15T04:00:00ZAn ecoregion is defined as a large area of land or water that contains a geographically distinct assemblage of natural communities that
(a) share a large majority of their species and ecological ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_1004Water Resources - Total Internal Renewable-180.0,-90.0,180.0,-60.50331958-01-01T00:00:00Z2012-12-31T00:00:00Z2013-05-15T04:00:00ZTotal Internal renewable water resources (IRWR): long-term average annual flow of rivers and recharge of aquifers generated from endogenous precipitation. Double counting of surface water and groundwater ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]AK_AVHRRAlaska AVHRR Twice-Monthly Composites-179.0,51.0,-116.0,70.01990-06-16T00:00:00ZT00:00:00Z2013-05-14T04:00:00ZThe goal of the Alaska Advanced Very High Resolution Radiometer (AVHRR) project is to compile a time series data set of calibrated, georegistered daily observations and twice-monthly maximum normalized ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USAVHRRConterminous U.S. AVHRR Bi-Weekly Composites-125.0,23.0,-56.0,50.01989-01-04T00:00:00ZT00:00:00Z2013-05-14T04:00:00ZThe goal of the Conterminous U.S. AVHRR project is to compile a
comprehensive time series data set of calibrated, georegistered daily
observations and biweekly maximum normalized difference ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TRMM_3B42_daily_V7Daily TRMM and Others Rainfall Estimate (3B42 V7 derived)-180.0,-50.0,180.0,50.01997-12-31T00:00:00ZT00:00:00Z2013-05-14T04:00:00ZThe Tropical Rainfall Measuring Mission (TRMM) is a joint U.S.-Japan satellite mission to monitor tropical and subtropical precipitation and to estimate its associated latent heating. TRMM was successfully ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TRMM_3B42RT_daily_V7Daily TRMM and Others Rainfall Estimate (3B42RT V7 derived)-180.0,-50.0,180.0,50.02000-03-01T00:00:00ZT00:00:00Z2013-05-14T04:00:00ZThe Tropical Rainfall Measuring Mission (TRMM) is a joint U.S.-Japan satellite mission to monitor tropical and subtropical precipitation and to estimate its associated latent heating. TRMM was successfully ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLCF_CRESS_47EOS Land Validation Core Site Characterizations Data Set; EDC Land Cover Data Set for Site #1, ARM-CART-103.43,33.19,-94.0,37.432013-05-14T04:00:00ZThis data set shows the EDC land cover classifications within the ARM-CART site. The EROS Data Center (EDC), uses Land Cover data which are derived from the 1km AVHRR (Advanced Very High Resolution ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLCF_CRESS_105EOS Land Validation Core Site Characterizations Data Set; EDC Land Cover Data Set for Site #20, Mandalgobi85.0,40.0,125.0,55.02013-05-14T04:00:00ZThis data set shows the EDC land cover classifications within the Mandalgobi site. The EROS Data_Center (EDC), uses Land Cover data which are derived from the 1km AVHRR (Advanced Very High Resolution ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GTOPO30Global 30-Arc-Second Elevation Data Set-180.0,-85.0,180.0,85.01996-12-01T00:00:00ZT00:00:00Z2013-05-14T04:00:00ZDigital elevation model (DEM) data are sampled arrays of surface elevations in raster form. A DEM provides elevation values in rows and columns, corresponding to a regular grid of points on the Earth's ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_GSSTFM_3Goddard Satellite-Based Surface Turbulent Fluxes, 0.25x0.25 deg, Monthly Grid, V3, (GSSTFM), at GES DISC-180.0,-90.0,180.0,90.01987-07-01T00:00:00Z2008-12-31T00:00:00Z2013-05-14T04:00:00ZThese data are the Goddard Satellite-based Surface Turbulent Fluxes Version-3 Dataset recently produced through a MEaSUREs funded project led by Dr. Chung-Lin Shie (UMBC/GEST, NASA/GSFC), converted ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_HIRMLS3IWC_V002HIRDLS-MLS/Aura Level 3 Ice Water Content V002 (HIRMLS3IWC) at GES DISC-180.0,-80.0,180.0,90.02005-02-01T00:00:00Z2007-12-31T00:00:00Z2013-05-14T04:00:00ZHIRMLS3IWC is the Joint EOS High Resolution Dynamics Limb Sounder (HIRDLS) and Microwave Limb Sounder (MLS) monthly 10 deg lat x 20 deg lon gridded product for ice water content (IWC) data. This is ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NALCNorth American Landscape Characterization-175.0,5.0,-60.0,72.01972-07-23T00:00:00Z1992-12-31T00:00:00Z2013-05-14T04:00:00ZThe North American Landscape Characterization (NALC) project is a component of the Landsat Pathfinder Program, which is part of a larger Pathfinder Program initiated by the National Aeronautics ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_3B4XRT_V7Real-Time TRMM Multi-Satellite Precipitation Analysis Data Set-180.0,-50.0,180.0,50.02000-02-29T00:00:00ZT00:00:00Z2013-05-14T04:00:00ZThe Tropical Rainfall Measuring Mission (TRMM) is a joint U.S.-Japan satellite mission to monitor tropical and subtropical precipitation and to estimate its associated latent heating. TRMM was successfully ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Tsunami_122604_SRTMShuttle Radar Topography Mission (SRTM) Elevation Data for the Island Nation of Sri Lanka79.69,5.76,82.26,9.892013-05-14T04:00:00ZThe topography of the island nation of Sri Lanka is well shown in this color-coded shaded relief map generated with digital elevation data from the Shuttle Radar Topography Mission (SRTM).
Two visualization ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TRMM_3B42_V7TRMM 3-Hourly 0.25 deg. TRMM and Other-GPI Calibration Rainfall Data-180.0,-50.0,180.0,50.01997-12-31T00:00:00ZT00:00:00Z2013-05-14T04:00:00ZThe Tropical Rainfall Measuring Mission (TRMM) is a joint U.S.-Japan satellite mission to monitor tropical and subtropical precipitation and to estimate its associated latent heating. TRMM was successfully ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TRMM_3B43_V7TRMM and Other Sources Rainfall Product (TRMM Product 3B43)-180.0,-50.0,180.0,50.01998-01-01T00:00:00ZT00:00:00Z2013-05-14T04:00:00ZThe Tropical Rainfall Measuring Mission (TRMM) is a joint U.S.-Japan satellite mission to monitor tropical and subtropical precipitation and to estimate its associated latent heating. TRMM was successfully ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]1_250_LULCUSGS Land Use and Land Cover (LULC) Data-125.0,25.0,-67.0,48.01981-04-28T00:00:00Z1992-03-04T00:00:00Z2013-05-14T04:00:00ZThe National Mapping Program, a component of the U. S. Geological Survey (USGS), produces and distributes land use and land cover maps and digitized data for the conterminous U.S. and Hawaii. Land ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_UDRPUrban Dynamics Research Program: Analysis of Land Use Change in Urban Environments-177.1,13.71,-61.48,76.632013-05-14T04:00:00ZThe Urban Dynamics project looks at land use change in urban environments in order to provide a historical perspective of land use change and an assessment of the spatial patterns, rates, correlation, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_WELDWeb-enabled Landsat Data Sets-170.0,25.0,-74.0,79.02007-12-01T00:00:00Z2008-11-31T00:00:00Z2013-05-14T04:00:00ZThe Web-enabled Landsat Data (WELD) project is collaboration between the United States Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center and academic partner South Dakota ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_AMIGOS_DRYGALSKI_2012AMIGOS data in the Drygalski Ice Tongue, 2012165.17165,-75.4124,164.29434,-75.348172012-01-31T00:00:00Z2012-12-31T00:00:00Z2013-05-13T04:00:00ZGPS, camera, and weather (air temperature, humidity, pressure, wind speed, wind direction) measurements from the AMIGOS systems in the Drygalski Ice Tongue.
http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]AVHRR_GLOBAL_10-DAY_COMPOSITESAVHRR 1-km Global Land 10-Day Composites-180.0,-90.0,180.0,90.01992-04-01T00:00:00ZT00:00:00Z2013-05-13T04:00:00ZThe Advanced Very High Resolution Radiometer (AVHRR) 1-km Global Land 10-Day Composites data set project is a component of the National Aeronautics and Space Administration (NASA) AVHRR Pathfinder ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KDPC_ACDCM_KSS_2010Atmospheric carbon dioxide concentration measurement at the Antarctic King Sejong Station in 2010-58.783333,-62.216667,-58.783333,-62.2166672010-01-01T00:00:00Z2010-12-31T00:00:00Z2013-05-13T04:00:00ZAtmospheric CO2 concentration measurement started using a Wavelength-Scanned Cavity Ring Down Spectroscopy(WS-CRDS) at the Antarctic King Sejong Station in January of 2010. In October of 2010, CO2 ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Sites-Algeria3CEOS Cal Val Test Site - Algeria 3 - Pseudo-Invariant Calibration Site (PICS)5.22,29.09,10.01,31.361972-08-11T00:00:00ZT00:00:00Z2013-05-13T04:00:00ZOn the background of these requirements for sensor calibration, intercalibration and product validation, the subgroup on Calibration and Validation of the Committee on Earth Observing System (CEOS) ...