Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-20T07:29:15Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 1345 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLCF_CRESS_62 -145.27,37.3,-48.11,87.61 2013-05-15T04:00:00Z

This 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_110 -79.71,37.69,-74.82,39.95 2013-05-15T04:00:00Z

This 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_57 -91.79,36.71,-87.23,42.79 2013-05-15T04:00:00Z

This 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_72 -124.96,41.58,-116.06,46.68 2013-05-15T04:00:00Z

This 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]USAVHRR -125.0,23.0,-56.0,50.0 1989-01-04T00:00:00Z T00:00:00Z 2013-05-14T04:00:00Z

The 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]GLCF_CRESS_47 -103.43,33.19,-94.0,37.43 2013-05-14T04:00:00Z

This 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_105 85.0,40.0,125.0,55.0 2013-05-14T04:00:00Z

This 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]NALC -175.0,5.0,-60.0,72.0 1972-07-23T00:00:00Z 1992-12-31T00:00:00Z 2013-05-14T04:00:00Z

The 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]1_250_LULC -125.0,25.0,-67.0,48.0 1981-04-28T00:00:00Z 1992-03-04T00:00:00Z 2013-05-14T04:00:00Z

The 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_UDRP -177.1,13.71,-61.48,76.63 2013-05-14T04:00:00Z

The 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_WELD -170.0,25.0,-74.0,79.0 2007-12-01T00:00:00Z 2008-11-31T00:00:00Z 2013-05-14T04:00:00Z

The 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]AVHRR_GLOBAL_10-DAY_COMPOSITES -180.0,-90.0,180.0,90.0 1992-04-01T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

The 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]CEOS_CalVal_Test_Sites-Algeria3 5.22,29.09,10.01,31.36 1972-08-11T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Sites-Algeria5 -1.32,29.24,4.24,32.79 1972-08-15T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Dome_C-Antarctica 123.0,-76.6,131.18,-74.5 1972-12-06T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Dunhuang-China 91.98,39.0,96.52,41.45 1975-04-15T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Frenchman_Flat-USA -115.9,36.7,-115.8,36.9 1972-08-09T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Ivanpah_Playa-USA -115.5,35.45,-115.3,35.65 1972-08-26T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-La_Crau-France 1.92,41.86,6.49,45.63 1972-08-16T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Libya1 12.19,23.44,14.83,25.76 1973-01-15T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Libya4 23.3,28.45,23.5,28.65 1972-11-16T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Mauritania1 -10.74,17.74,-7.9,21.26 1972-09-26T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Sites-Mauritania2 -10.42,18.92,-7.52,22.67 1972-09-26T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Negev-Southern_Israel 35.0,30.0,35.1,30.2 1972-09-15T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Railroad_Valley_Playa-USA -115.8,38.4,-115.6,38.6 1972-08-09T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CEOS_CalVal_Test_Site-Tuz_Golu-Turkey 30.69,37.69,35.79,40.0 1972-10-06T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

On 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) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_GREENESS -125.0,24.5,66.875,49.375 1989-01-01T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

Since 1989, the USGS EROS Data Center has been mapping the vegetation condition of the conterminous United States (lower 48 states) using satellite information. The vegetation condition maps, or more ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MRLC -129.0,22.0,-65.0,49.0 1984-07-14T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

The Multi-Resolution Land Characteristics (MRLC) project was established to provide multi-resolution land cover data of the conterminous United States from local to regional scales. A major component ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NLDC -180.0,-60.0,180.0,80.0 1972-07-28T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

The NASA Landsat Data Collection (NLDC) is a compilation of Landsat multispectral scanner (MSS) scenes and Landsat thematic mapper (TM) scenes. This compilation of scenes represents data collections ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]SAHEL_NAFR -18.0,10.0,40.0,38.0 1988-05-05T00:00:00Z 1989-12-18T00:00:00Z 2013-05-13T04:00:00Z

Following the serious grasshopper outbreaks of 1986, a pilot program was defined between the U.S. Geological Survey and the U.S. Agency for International Development. The primary goal of this program ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]WORLD_MAPS -180.0,-90.0,180.0,90.0 1883-01-01T00:00:00Z T00:00:00Z 2013-05-13T04:00:00Z

The USGS provides a series of planetary maps featuring more than 750 titles. These include selected maps of the Moon, Venus, Mercury, Mars, and the moons of Jupiter. Planetary maps are available ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]AVHRR_ORBITAL_SEGMENTS -180.0,-90.0,180.0,90.0 1992-04-01T00:00:00Z T00:00:00Z 2013-05-10T04:00:00Z

The Advanced Very High Resolution Radiometer (AVHRR) 1-km Orbital Segments data set is a component of the National Aeronautics and Space Administration (NASA) AVHRR Pathfinder ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]L7CPF2 -180.0,-81.0,180.0,81.0 1999-06-29T00:00:00Z T00:00:00Z 2013-05-10T04:00:00Z

The Landsat-7 satellite was launched on April 15, 1999. The Calibration team has recently documented that the gains of the reflective bands have degraded over the past 14 years. On April 1, 2013, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_MAP_INDEX -180.0,17.0,-66.0,71.0 2013-05-10T04:00:00Z

Established in 1879, the U.S. Geological Survey (USGS) has Federal responsibility for preparing multipurpose maps and fundamental cartographic data to meet the requirements of users ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_0930 -180.0,-90.0,180.0,-60.5033 1990-01-01T00:00:00Z 2010-12-31T00:00:00Z 2013-05-07T04:00:00Z

Forest Average Annual Change ? Total is the net change in forests and includes expansion of forest plantations and losses and gains in the area of natural forests. Total Forest includes natural forests ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]EOSWEBSTER_Global_Ref -180.0,-90.0,180.0,90.0 2013-05-07T04:00:00Z

The Global Model Reference Collection contains 3 datasets that have been used extensively in various biogeochemical process models, in addition to some basic data layers used in analyzing and aggregating ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MEAR_29 -178.0,-85.0,176.0,81.0 2013-05-07T04:00:00Z

Cultivated system boundary for the Millennium Ecosystem Assessment (MA) based on version 2 of the Global Land Cover Characteristics Dataset (GLCCD v2.0, USGS/EDC 2000). This dataset delineates the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_EROS_HDDS_RITA -100.0,22.0,-68.0,41.0 2005-09-15T00:00:00Z T00:00:00Z 2013-05-07T04:00:00Z

USGS EROS supported first responders and emergency services working in response to Hurricane Rita. EROS channeled vital imagery to state and local governments, FEMA, and other federal agencies. These ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_EROS_HDDS_WILMA -98.0,10.0,-70.0,35.0 2013-05-07T04:00:00Z

USGS EROS supported first responders and emergency services working in response to Hurricane Wilma. EROS channeled vital imagery to state and local governments, FEMA, and other federal agencies. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KLS_KY_impervmetazone47 -84.488686,37.95481,-84.485306,37.95932 2001-03-01T00:00:00Z T00:00:00Z 2001-06-01T00:00:00Z T00:00:00Z 2001-09-01T00:00:00Z T00:00:00Z 2013-05-07T04:00:00Z

The National Land Cover Database (NLCD) provides complete, current, and consistent public domain information on the Nation's land use and land cover. This document explains the methods employed to ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_0929 -180.0,-90.0,180.0,-60.5033 1990-01-01T00:00:00Z 2010-12-31T00:00:00Z 2013-05-07T04:00:00Z

Forest: Land spanning more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent, or trees able to reach these thresholds in situ. It does not include land ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MAPS -173.0,16.0,-63.0,70.0 1883-01-01T00:00:00Z T00:00:00Z 2013-05-07T04:00:00Z

The USGS conducts systematic and scientific classification of the public lands and examination of the geological structure; mineral, energy, and water resources; and products of the national domain. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NAPP -126.0,24.0,-66.0,49.0 1987-01-01T00:00:00Z 2007-02-11T00:00:00Z 2013-04-29T04:00:00Z

The National Aerial Photography Program (NAPP) is an inter-agency Federal effort coordinated by the USGS, which uses NAPP products to revise maps. Other agencies have varied uses for these photographs, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_0686 -180.0,-90.0,180.0,-60.5033 1961-01-01T00:00:00Z 2008-12-31T00:00:00Z 2013-04-25T04:00:00Z

Arable Land: land under temporary crops (double-cropped areas are counted only once), temporary meadows for mowing or pasture, land under market and kitchen gardens and land temporarily fallow (less ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]geodata_0691 -180.0,-90.0,180.0,-60.5033 1961-01-01T00:00:00Z 2008-12-31T00:00:00Z 2013-04-25T04:00:00Z

Permanent Crops: Land cultivated with crops that occupy the land for long periods and need not be replanted after each harvest, such as cocoa, coffee and rubber; this category includes land under ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]FIRMS_MODIS_Active_Fire_Data -180.0,-90.0,180.0,90.0 2013-04-16T04:00:00Z

Web Fire Mapper is an internet based mapping tool that delivers locations of active fires in near real time. For selected regions and countries you can view an interactive map showing active fires ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LC14_AMAZON_SCENARIOS -81.86,-55.77,-34.29,12.98 2002-01-01T00:00:00Z 2050-12-31T00:00:00Z 2013-04-12T04:00:00Z

This data set provides the results of the two modeled scenarios for future patterns of deforestation across the Amazon Basin from 2002 to 2050. This larger defined Amazon Basin (PanAmazon area) includes ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LEDAPS_PREPROCESSING_TOOL_V2 -180.0,-90.0,180.0,90.0 1980-01-01T00:00:00Z 2012-12-31T00:00:00Z 2013-04-12T04:00:00Z

The Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS) is a NASA project to map disturbance, regrowth, and permanent forest conversion across the continent (Masek et al., 2006). The ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LEDAPS_PREPROCESSING_TOOL -180.0,-90.0,180.0,90.0 2011-11-21T00:00:00Z 2011-11-21T00:00:00Z 2013-04-12T04:00:00Z

The Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS) is a NASA project to map disturbance, regrowth, and permanent forest conversion across the continent (Masek et al., 2006). The ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NA_TREEAGE 179.251,7.7126,-39.866,67.008 1950-01-01T00:00:00Z 2006-12-31T00:00:00Z 2013-04-12T04:00:00Z

This data set provides forest age map products at 1-km resolution for Canada and the United States (U.S.A.). These continental forest age maps were compiled from forest inventory data, historical ...