Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-19T01:29:42Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 3065 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GTOPO30 -180.0,-85.0,180.0,85.0 1996-12-01T00:00:00Z T00:00:00Z 2013-05-14T04:00:00Z

Digital 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]Landsat_TM -180.0,-82.67,180.0,82.66 1982-07-16T00:00:00Z 2011-11-18T00:00:00Z 2013-05-13T04:00:00Z

The idea of a civilian Earth resources satellite was conceived in the Department of Interior in the mid-1960s. The National Aeronautics and Space Administration (NASA) ...

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]Steig_0963924 30.0,-90.0,30.0,-60.0 2013-05-10T04:00:00Z

Ice cores and surface snow samples were collected from in overland traverses in East Antarctica: one from the Norwegian Troll Station to the United States South Pole Station in 2007-2008; and a return ...

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]LANDSAT_MSS -180.0,-82.79,180.0,82.7 1972-07-23T00:00:00Z 1992-10-19T00:00:00Z 2013-05-07T04:00:00Z

Landsat multispectral scanner (MSS) data from the Landsat satellite series are available from the National Satellite Land Remote Sensing Data Archive located at the U.S. Geological Survey's EROS ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]SCAR -180.0,-90.0,180.0,-60.0 1947-01-05T00:00:00Z T00:00:00Z 2013-05-07T04:00:00Z

The Scientific Committee on Antarctic Research (SCAR) collection is the largest collection of Antarctic aerial photographs in the world. Aerial photography has been acquired since 1946, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]bay_0738658 112.08639,-79.4675,112.08639,-79.4675 2013-05-07T04:00:00Z

Preliminary data from an optical log made at WAIS Divide with the laser dust logger in December 2011, in the clear ice at depths between 1403.58 m and 3329.8 m. The Dust Logger measures the amount ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSF-ANT08-39053 -89.866,-77.583,165.7,-67.05 2010-01-01T00:00:00Z 2012-12-31T00:00:00Z 2013-05-06T04:00:00Z

Several aspect of the seasonal melting and reformation cycle of Antarctic sea ice appear to be divergent from those occurring in the Arctic. This is most clearly demonstrated by the dramatic diminishing ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]joughin_0631973 -124.8,-80.8,-86.7,-73.9 1980-01-01T00:00:00Z 2009-12-31T00:00:00Z 2013-05-02T04:00:00Z

This data set includes radar-derived annual accumulation rates over Thwaites Glacier between 1980 and 2009 and a gridded climatology (1985-2009) of snow accumulation over Pine Island and Thwaites ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TOMSEPL3dtoz_V008 -180.0,-90.0,180.0,90.0 1996-07-22T00:00:00Z 2005-12-31T00:00:00Z 2013-05-02T04:00:00Z

This data product contains TOMS/Earth Probe Total Column Ozone Daily L3 Global 1x1.25 deg Lat/Lon Grid Version 8 data in ASCII format. The Total Ozone Mapping Spectrometer (TOMS) Version 8 daily ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TOMSEPL3maer_V008 -180.0,-90.0,180.0,90.0 1996-07-22T00:00:00Z 2005-12-31T00:00:00Z 2013-05-02T04:00:00Z

This data product contains TOMS/Earth Probe UV Aerosol Index Monthly L3 Global 1x1.25 deg Lat/Lon Grid Version 8 data in ASCII format. The Total Ozone Mapping Spectrometer (TOMS) Version 8 monthly ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TOMSEPL2_V008 -180.0,-90.0,180.0,90.0 1996-07-25T00:00:00Z 2005-12-31T00:00:00Z 2013-05-02T04:00:00Z

Total Ozone Mapping Spectrometer (TOMS)instruments have been successfully flown in orbit aboard the Nimbus-7(Nov. 1978 - May 1993), Meteor-3 (Aug. 1991 - Dec. 1994), Earth Probe (July 1996 - current), ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TOMSN7L3ztoz_V008 -180.0,-90.0,180.0,90.0 1978-11-01T00:00:00Z 1993-05-06T00:00:00Z 2013-05-02T04:00:00Z

This data product contains TOMS/Nimbus-7 Total Column Ozone Daily and Monthly Zonal Means Version 8 data in ASCII format. The Total Ozone Mapping Spectrometer (TOMS) Version 8 Daily and Monthly ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_TOMSN7L3zaer_V008 -180.0,-90.0,180.0,90.0 1978-11-01T00:00:00Z 1993-05-06T00:00:00Z 2013-05-02T04:00:00Z

This data product contains TOMS/Nimbus-7 UV Aerosol Index Daily and Monthly Zonal Means Version 8 data in ASCII format. The Total Ozone Mapping Spectrometer (TOMS) Version 8 Daily and Monthly Gridded ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CORONA_SATELLITE_PHOTOS -180.0,-90.0,180.0,90.0 1960-08-01T00:00:00Z 1972-05-31T00:00:00Z 2013-04-22T04:00:00Z

The first generation of U.S. photo intelligence satellites collected more than 860,000 images of the Earth?s surface between 1960 and 1972. The classified military satellite systems code-named CORONA, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Erebus -180.0,-90.0,180.0,-62.83 2013-04-22T04:00:00Z

The seismic archive contains short-period and broadband data, primarily from the summit region of Mount Erebus. Online data from short-period and broadband data from 2000-present, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSF-ANT10-43621 -180.0,-79.5,180.0,-54.5 2011-06-01T00:00:00Z 2013-05-31T00:00:00Z 2013-04-18T04:00:00Z

The auroral electrojet index (AE) is used as an indicator of geomagnetic activity at high latitudes representing the strength of auroral electrojet currents in the Northern polar ionosphere. A similar ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]OBPG_MODIS_AQUA_L3_M9M_OC -180.0,-90.0,180.0,90.0 2002-07-04T00:00:00Z T00:00:00Z 2013-04-16T04:00:00Z

This data set consists of satellite measurements of global ocean color data obtained by the Moderate Resolution Imaging Spectroradiometer (MODIS), in orbit on the Aqua (formerly EOS PM) platform. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]bell_0636883 20.0,-90.0,50.0,-75.0 2008-12-01T00:00:00Z 2009-01-20T00:00:00Z 2013-04-04T04:00:00Z

This award support a project to study the role that subglacial water plays in the overall stability of major ice sheets.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSF-ANT00-87392 163.5,-78.6,-159.1,-75.9 2001-09-15T00:00:00Z 2009-12-31T00:00:00Z 2013-03-25T04:00:00Z

This award, provided by the Antarctic Geology and Geophysics Program of the Office of Polar Programs, supports a collaborative research program in marine geology and geophysics in the southern central ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Landsat_8 -180.0,-82.71,180.0,82.74 2013-02-11T00:00:00Z T00:00:00Z 2013-03-14T04:00:00Z

This data set is a raster file containing global information for bands 1 through 11 for Landsat 8 Operational Land Imager (OLI) and Thermal Land Imager (TIRS).

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CIESIN_SEDAC_CESIC_COMPLETE_V11 -180.0,-90.0,180.0,90.0 1973-01-01T00:00:00Z 2005-12-31T00:00:00Z 2013-02-11T05:00:00Z

The Compendium of Environmental Sustainability Indicator Collections contains 426 indicators for 239 countries from five major environmental sustainability indicator efforts: the 2006 Environmental ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSF-ANT10-39365 2009-08-28T00:00:00Z 2012-02-29T00:00:00Z 2013-02-01T05:00:00Z

This project studies the Permian-Triassic extinction event as recorded in sedimentary rocks from the Transantarctic Mountains of Antarctica. Two hundred and fifty million years ago most life on Earth ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]AST13POL -180.0,-83.0,180.0,83.0 2013-01-31T05:00:00Z

This product is discontinued. The ASTER On-Demand Level-2 Polar Surface and Cloud Classification product provides a classification map discriminating between different surface and cloud features ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD17A2 -180.0,-80.0,180.0,80.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODerate-resolution Imaging Spectroradiometer (MODIS) Gross Primary Productivity (GPP) product (MYD17A2) is a cumulative composite of GPP values based on the radiation use efficiency concept that ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD11_L2 -180.0,-81.0,180.0,81.0 2007-01-01T00:00:00Z T00:00:00Z 2000-03-05T00:00:00Z T00:00:00Z 2003-03-06T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Aqua version-5 (V5) level-2 LST/E data (Shortname: MYD11_L2) incorporate 1-km pixels, which are produced daily at 5-minute increments using the generalized split-window algorithm. This algorithm ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD11C2 -180.0,-81.0,180.0,81.0 2002-07-08T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Aqua LST/E 8-Day L3 Global CMG product (Short name: MYD11C2) is an 8-day composited average, derived from the MYD11C1 daily global product, and stored as clear-sky LST values during an 8-day ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD11C1 -180.0,-81.0,180.0,81.0 2002-07-08T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Aqua LST/E L3 Global CMG (Short name: MYD11C1) products incorporate 0.05 degree (5600 meters at the equator) pixels, which are derived from the MOD11B1 daily global 6 km grid product, and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD11A1 -180.0,-81.0,180.0,81.0 2002-07-08T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Aqua LST/E L3 Global 1 Km Grid (Short name: MYD11A1) products incorporate 1-km pixels, which are produced daily using the generalized split-window LST algorithm. This algorithm is optimally ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD11B1 -180.0,-81.0,180.0,81.0 2002-07-08T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Aqua LST/E L3 Global 1 km Grid (Short name: MYD11B1) products incorporate 6 km pixels (4.63 km pixels for versions prior to V005), which are produced daily using the day/night LST algorithm ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD09A1 -180.0,-80.0,180.0,80.0 2002-05-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS Surface Reflectance products provide an estimate of the surface spectral reflectance as it would be measured at ground level in the absence of atmospheric scattering or absorption. Low-level ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD09GA -180.0,-80.0,180.0,80.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS Surface Reflectance products are an estimate of the surface spectral reflectance as it would be measured at ground level in the absence of atmospheric scattering or absorption. Low-level ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD09GQ -180.0,-90.0,180.0,80.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS Surface Reflectance products are an estimate of the surface spectral reflectance as it would be measured at ground level in the absence of atmospheric scattering or absorption. Low-level ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD14A1 -180.0,-80.0,180.0,60.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

MODIS Thermal Anomalies/Fire products are primarily derived from MODIS 4- and 11-micrometer radiances. The fire detection strategy is based on absolute detection of a fire (when the fire strength ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD13C1 -180.0,-80.0,180.0,80.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

Global MODIS vegetation indices are designed to provide consistent spatial and temporal comparisons of vegetation conditions. Blue, red, and near-infrared reflectances, centered at 470-nanometers, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD13A2 -180.0,-80.0,180.0,80.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

Global MODIS vegetation indices are designed to provide consistent spatial and temporal comparisons of vegetation conditions. Blue, red, and near-infrared reflectances, centered at 469-nanometers, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD13Q1 -180.0,-80.0,180.0,80.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

Global MODIS vegetation indices are designed to provide consistent spatial and temporal comparisons of vegetation conditions. Blue, red, and near-infrared reflectances, centered at 469-nanometers, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD13A1 -180.0,-80.0,180.0,80.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

Global MODIS vegetation indices are designed to provide consistent spatial and temporal comparisons of vegetation conditions. Blue, red, and near-infrared reflectances, centered at 469-nanometers, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MYD13A3 -180.0,-80.0,180.0,80.0 2002-07-01T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

Global MODIS vegetation indices are designed to provide consistent spatial and temporal comparisons of vegetation conditions. Blue, red, and near-infrared reflectances, centered at 469-nanometers, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD43B1 -180.0,-80.0,180.0,80.0 2000-10-31T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

This product has been decommissioned. MOD43B1 contains four dimensional data sets of BRDF and Albedo parameters: x,y, and parameter values are stored for each wavelength band of data. For example, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD11_L2 -180.0,-80.0,180.0,80.0 2000-03-05T00:00:00Z T00:00:00Z 2007-01-03T00:00:00Z T00:00:00Z 2000-02-24T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Terra level-2 Land Surface Temperature and Emissivity (LST/E) data (Shortname: MOD11_L2) incorporate 1 km pixels, which are produced daily at 5-minute increments using the generalized split-window ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD11C2 -180.0,-80.0,180.0,80.0 2000-03-05T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Terra LST/E 8-Day L3 Global CMG product (Short name: MOD11C2) is an 8-day composited average, derived from the MOD11C1 daily global product, and stored as clear-sky LST values during an ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD11C1 -180.0,-80.0,180.0,80.0 2000-03-05T00:00:00Z T00:00:00Z 2007-01-01T00:00:00Z T00:00:00Z 2000-02-24T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Terra LST/E L3 Global CMG (Short name: MOD11C1) products incorporate 0.05 degree (5600 meters at the equator) pixels, which are derived from the MOD11B1 daily global 6 km grid product, and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD11A1 -180.0,-80.0,180.0,80.0 2000-03-05T00:00:00Z T00:00:00Z 2007-01-03T00:00:00Z T00:00:00Z 2000-02-24T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Terra LST/E L3 Global 1 Km Grid (Short name: MOD11A1) products incorporate 1-km pixels, which are produced daily using the generalized split-window LST algorithm. This algorithm is optimally ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD11B1 -180.0,-80.0,180.0,80.0 2000-03-05T00:00:00Z T00:00:00Z 2007-01-03T00:00:00Z T00:00:00Z 2000-02-24T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Terra LST/E L3 Global 1 Km Grid (Short name: MOD11B1) products incorporate 6 km pixels, which are produced daily using the day/night LST algorithm (Wan and Li, 1997). This algorithm extracts ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD11C3 -180.0,-81.0,180.0,81.0 2002-07-04T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS/Terra LST/E Monthly L3 Global CMG product (Short name: MOD11C3) is a monthly composited average, derived from the MOD11C1 daily global product, and stored as clear-sky LST values during ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD15A2 -180.0,-80.0,180.0,80.0 2000-02-18T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The level-4 MODIS global Leaf Area Index (LAI) and Fraction of Photosynthetically Active Radiation (FPAR) product is composited every 8 days at 1-kilometer resolution on a Sinusoidal grid. Science ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD43B4 -180.0,-80.0,180.0,80.0 2000-07-11T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

This product has been decommissioned. Every 16 days, the MODIS BRDF/Albedo Product (MOD43B) algorithm relies on multi-date, atmospherically corrected, cloud-cleared data and a semi-empirical kernel-driven ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD09A1 -180.0,-80.0,180.0,80.0 2000-02-18T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The MODIS Surface Reflectance products are an estimate of the surface spectral reflectance as it would be measured at ground level in the absence of atmospheric scattering or absorption. Low-level ...