Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-18T09:37:37Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 191 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]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]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?[USGS_EROS]ETM -180.0,-90.0,180.0,90.0 1999-06-29T00:00:00Z 2001-12-30T00:00:00Z 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]MOD29E1DV5 -180.0,-90.0,180.0,90.0 2000-02-24T00:00:00Z T00:00:00Z 2013-04-04T04:00:00Z

MODIS/Terra Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day (MOD29E1D) data set contains fields for sea ice by reflectance and Ice Surface Temperature (IST). Each data granule covers the ...

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 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD09GQ -180.0,-90.0,180.0,80.0 2000-02-24T00:00:00Z 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]MOD09GQK -180.0,-90.0,180.0,90.0 2001-03-06T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

This product has been decommissioned. This MODIS 250-meter surface reflectance two-band product is computed from MODIS level-1B land Bands 1 and 2 (centered at 648 nanometers and 858 nanometers, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD09GQK5 -180.0,-90.0,180.0,90.0 2001-03-06T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

This product has been decommissioned. This MODIS 250-meter surface reflectance two-band product is computed from MODIS level-1B land Bands 1 and 2 (centered at 648 nanometers and 858 nanometers, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD09GHK -180.0,-80.0,180.0,60.0 2000-06-09T00:00:00Z 2006-12-31T00:00:00Z 2013-01-31T05:00:00Z

This product has been discontinued. The MODIS Surface Reflectance Daily L2G Global 500m SIN Grid product, MOD09GHK, is a seven-band product computed from the MODIS Level 1B land Bands 1-7. The product ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD09CMG -180.0,-90.0,180.0,80.0 2000-02-24T00:00:00Z 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]MOD09GST -180.0,-80.0,180.0,60.0 2000-06-09T00:00:00Z 2006-12-31T00:00:00Z 2013-01-31T05:00:00Z

This product has been discontinued. The MODIS level 2G 1km Surface Reflectance data state QA product, MOD09GST, is a restructured version of its primary input, the state QA data in MOD09_L2. This ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD14 -180.0,-80.0,180.0,80.0 2000-02-24T00:00:00Z 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]MOD14A2 -180.0,-80.0,180.0,80.0 2000-02-26T00:00:00Z 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]MOD14A1 -180.0,-90.0,180.0,60.0 2000-02-26T00:00:00Z 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]MOD44B -180.0,-80.0,180.0,80.0 2000-03-05T00:00:00Z T00:00:00Z 2013-01-31T05:00:00Z

The Terra MODIS Vegetation Continuous Fields (VCF) product is a sub-pixel-level representation of surface vegetation cover estimates globally. Designed to continuously represent Earth?s terrestrial ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD13C1 -180.0,-81.0,180.0,81.0 2000-02-18T00:00:00Z 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]MOD13A2 -180.0,-80.0,180.0,80.0 2000-02-18T00:00:00Z 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]MOD13Q1 -180.0,-80.0,180.0,80.0 2000-02-18T00:00:00Z 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]MOD13A1 -180.0,-81.0,180.0,81.0 2000-02-18T00:00:00Z 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]MOD13A3 -180.0,-80.0,180.0,80.0 2000-02-01T00:00:00Z 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, ...