Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-26T05:38:44Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 102 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ISLSCP2_AVHRR_ALBEDO -180.0,-90.0,180.0,90.0 1995-02-01T00:00:00Z 1995-07-31T00:00:00Z 2012-08-14T04:00:00Z

This Albedo and BRDF (Bidirectional Reflectance Distribution Function) data set contains three files containing BRDF parameters, white- sky albedo and black-sky albedo at solar noon for three bands ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ISLSCP_C4_1DEG -180.0,-90.0,180.0,90.0 1993-01-01T00:00:00Z 1998-12-31T00:00:00Z 2012-08-14T04:00:00Z

The photosynthetic composition (C3 or C4) of vegetation on the land surface is essential for accurate simulations of biosphere-atmosphere exchanges of carbon, water, and energy. C3 and C4 plants have ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ISLSCP2_CONTVEG -180.0,-90.0,180.0,90.0 1992-04-01T00:00:00Z 1993-05-31T00:00:00Z 2012-08-14T04:00:00Z

The objective of this study was to derive continuous fields of vegetation cover from multi-temporal Advanced Very High Resolution Radiometer (AVHRR) data using all available bands and derived Normalized ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ISLSCP2_IDSLC -180.0,-90.0,180.0,90.0 1986-01-01T00:00:00Z 1995-12-31T00:00:00Z 2012-08-14T04:00:00Z

This data set describes the geographic distributions of 17 classes of land cover based on the International Geosphere-Biosphere DISCover land cover legend (Loveland and Belward 1997) and the 15 classes ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Pre-LBA_ISLSCP-I -180.0,-90.0,180.0,90.0 1987-01-01T00:00:00Z 1988-12-31T00:00:00Z 2012-08-14T04:00:00Z

This data set contains hydrology, soils, radiation, cloud, and vegetation data from the International Satellite Land Surface Climatology Project (ISLSCP) Initiative I. The ISLSCP data sets should ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]SIB3_CARBON_FLUX -180.0,-90.0,180.0,90.0 1998-01-01T00:00:00Z 2006-12-31T00:00:00Z 2012-08-14T04:00:00Z

The Simple Biosphere Model, Version 3 (SiB3) was used to produce a global data set of hourly carbon fluxes between the atmosphere and the terrestrial biosphere for the years 1998-2006. This data set ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LUYSSAERT_CARBON_FLUX -159.5,-42.87,172.75,67.36 1897-01-01T00:00:00Z 2006-12-31T00:00:00Z 2012-08-10T04:00:00Z

A comprehensive global database has been assembled to quantify CO2 fluxes and pathways across different levels of integration (from photosynthesis up to net ecosystem production) in forest ecosystems. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ISLSCP_EROOT -180.0,-90.0,180.0,90.0 1995-02-01T00:00:00Z 1995-07-31T00:00:00Z 2012-08-10T04:00:00Z

The goal of this study was to predict the global distribution of plant rooting depths based on data about global aboveground vegetation structure and climate. Vertical root distributions influence ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LC04_LANDUSE_5MIN -80.0,-21.0,-45.0,6.0 1995-01-01T00:00:00Z 1995-01-01T00:00:00Z 2012-08-10T04:00:00Z

Amazonia has been under considerable development pressure as croplands and pasture are established in areas formerly occupied by tropical forest and cerrado. Although this region is an important part ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]gv_aws -15.8392,-27.75,37.2375,16.761 1981-01-01T00:00:00Z 2003-12-31T00:00:00Z 2012-07-25T04:00:00Z

This data set includes the soil and vegetation characteristics, herbivore estimates, and precipitation measurement data for the 854 sites described and analyzed in Sankaran et al., 2005. Savannas ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]lba_lc23_vfd -74.0,-33.75,-34.8,5.3 2001-01-01T00:00:00Z 2003-12-31T00:00:00Z 2012-07-25T04:00:00Z

Satellite fire detection was determined from two sensors, the Advanced Very High Resolution Radiometer (AVHRR) on NOAA-12 and the Moderate Resolution Imaging Spectroradiometer (MODIS) on both the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LBA_AVHRR_BFP -74.8431,-18.0417,-43.5362,5.2507 2001-01-01T00:00:00Z 2001-12-31T00:00:00Z 2012-07-25T04:00:00Z

This data set provides the number of hot spots detected across the legal Amazon Basin at 5- km resolution by the AVHRR (Advanced Very High Resolution Radiometer) on NOAA 12, 14, 15, 16, 17, and 18 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]S2K_RS_AVHRR_IMAGERY 8.733,-35.2617,43.1995,-7.4861 1998-07-01T00:00:00Z 2000-10-31T00:00:00Z 2012-05-23T04:00:00Z

The Global Inventory Mapping and Modeling (GIMMS) group at NASA/GSFC provided SAFARI 2000 with remotely sensed satellite data products at the site and regional level. These AVHRR data contain two ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]S2K_RS_AVHRRLST_IMAGERY -24.6,-42.24,64.52,43.71 1995-01-01T00:00:00Z 2000-12-31T00:00:00Z 2012-05-17T04:00:00Z

Land Surface Temperature (LST) is a key indicator of land surface states, and can provide information on surface-atmosphere heat and mass fluxes, vegetation water stress, and soil moisture. A daily, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0026 -180.0,60.0,180.0,90.0 1988-01-01T00:00:00Z 1989-12-31T00:00:00Z 2012-05-15T04:00:00Z

This data set consists of AVHRR imagery selected from hard copy 'quick look' images to provide the best coverage possible over the Arctic approximately every three days for a three-year period. Level-1B ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0271 -180.0,-90.0,180.0,90.0 1978-01-01T00:00:00Z 2007-12-31T00:00:00Z 2012-05-15T04:00:00Z

This data set comprises global, monthly satellite-derived Snow Water Equivalent (SWE) climatologies from November 1978 through May 2007, with periodic updates released as resources permit. Global ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0094 -180.0,-90.0,180.0,-54.0-180.0,48.0,180.0,90.0 1981-07-24T00:00:00Z 2000-12-31T00:00:00Z 2012-05-14T04:00:00Z

The AVHRR Polar Pathfinder Twice-Daily 25 km EASE-Grid Composites are a collection of products for both poles, consisting of twice-daily gridded and calibrated satellite channel data and derived parameters. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0066 -180.0,-90.0,180.0,-54.0-180.0,48.0,180.0,90.0 1981-07-24T00:00:00Z 2005-06-30T00:00:00Z 2012-05-14T04:00:00Z

The Advanced Very High Resolution Radiometer (AVHRR) Polar Pathfinder Twice-Daily 5 km EASE-Grid Composites are a collection of products for both poles, consisting of twice-daily calibrated and gridded ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0046 -180.0,0.0,180.0,90.0 1966-10-03T00:00:00Z 2007-06-24T00:00:00Z 1978-10-23T00:00:00Z 2007-06-24T00:00:00Z 2012-05-14T04:00:00Z

The Northern Hemisphere EASE-Grid Weekly Snow Cover and Sea Ice Extent Version 3 product and Version 3.1 update combine snow cover and sea ice extent at weekly intervals from 23 October 1978 through ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0116 -180.0,-90.0,180.0,-53.2028-180.0,48.7278,180.0,90.0 1978-10-25T00:00:00Z 2006-12-31T00:00:00Z 2012-05-13T04:00:00Z

Daily ice motion vectors are computed from Advanced Very High Resolution Radiometer (AVHRR), Scanning Multichannel Microwave Radiometer (SMMR), Special Sensor Microwave/Imager (SSM/I), and International ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_ISCCPDX_Rad025 -179.75,-89.75,179.75,89.75 1983-07-01T00:00:00Z 2008-06-31T00:00:00Z 2012-04-24T04:00:00Z

This dataset is based on the ISCCP-DX dataset and reprocess the satellite radiative fluxes to a higher spatial and temporal resolution, i.e. 0.5-degree and 3-hourly. The period from 1983 to 2008 will ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]s2k_one_deg_biomass -18.0,-36.0,56.0,0.0 2000-08-01T00:00:00Z 2000-09-30T00:00:00Z 2012-04-17T04:00:00Z

A new method is used to generate spatial estimates of monthly averaged biomass burned area and spatial and temporal estimates of trace gas and aerosol emissions from open fires in southern Africa.Global ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]lba_avhrr_1km -85.0,-25.0,-30.0,10.0 1992-01-01T00:00:00Z 1993-12-31T00:00:00Z 2012-03-15T04:00:00Z

This data set is a subset of Hansen et al. (1999), "1 km Global Land Cover Data Set Derived from AVHRR," which was developed at the Laboratory for Global Remote Sensing Studies (LGRSS) at the University ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]rlc_avhrr_1km 25.0,23.21,180.0,71.0 1990-05-15T00:00:00Z 1990-08-17T00:00:00Z 2012-03-15T04:00:00Z

This data set is a 1-kilometer resolution land cover map for the land area of the Primor'ye and Southern Khabarovsk Regions, in the Russian Far East, based on 1990 NOAA AVHRR data. Labeling of land ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]lba_avhrr_8km -85.0,-25.0,-30.0,10.0 1984-01-01T00:00:00Z 1984-12-31T00:00:00Z 2012-03-13T04:00:00Z

This data set is a subset of an 8-km global land cover product (DeFries et al. 1998). This subset was created for the study area of the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]lba_tree_cover -85.0,-25.0,-30.0,10.0 1992-01-01T00:00:00Z 1993-12-31T00:00:00Z 2012-03-13T04:00:00Z

The data set consists of a subset for the study area of the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) in South America (i.e., longitude 85 deg to 30 deg W, latitude 25 deg S to ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]rlc_avhrr_15km 19.816,35.2389,180.0,75.0 1984-01-01T00:00:00Z 1993-12-31T00:00:00Z 2012-03-13T04:00:00Z

This dataset is a 15-kilometer resolution land cover map for the land area of the Former Soviet Union. There are sixty land cover classes distinguished in this dataset, of which 38 are forest cover ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]s2k_tree-cover 5.0,-35.0,60.0,5.0 1992-01-01T00:00:00Z 1993-12-31T00:00:00Z 2012-03-13T04:00:00Z

The data set consists of a southern Africa subset of the 1km Global Tree Cover Data Set developed at the Laboratory for Global Remote Sensing Studies (LGRSS) at the University of Maryland. Data are ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]dsp10_ndvi -111.0,48.0,-90.0,60.0 1994-01-01T00:00:00Z 1995-01-01T00:00:00Z 2012-03-08T05:00:00Z

These images were produced by averaging the 1-km FASIR-NDVI maps by Jing Chen to a 10' (horizontal) by 5' (vertical) pixel size in a straight latitude/longitude grid. Each pixel represents the average ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]s2k_land_cover-1km 5.0,-35.0,60.0,5.0 1992-01-01T00:00:00Z 1993-12-31T00:00:00Z 2012-03-08T05:00:00Z

The data set consists of a southern African subset of the 1-km Global Land Cover Data Set Derived from AVHRR developed at the Laboratory for Global Remote Sensing Studies (LGRSS) at the University ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]rlc_forest_fire_img 25.0,23.21,180.0,71.0 1998-08-01T00:00:00Z 1999-08-03T00:00:00Z 2012-02-22T05:00:00Z

This data set is made up of images of forest fires in Russia from NOAA's Operational Significant Event Imagery (OSEI) archive (http://www.osei.noaa.gov) for the 1998 and 1999 seasons. OSEI fire products ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]s2k_land_cover-8km 5.0,-35.0,60.0,5.0 1984-01-01T00:00:00Z 1984-12-31T00:00:00Z 2012-02-22T05:00:00Z

This data set consists of a southern African subset of the University of Maryland (UMD) 8-km Global Land Cover product in ASCII GRID and binary image files formats. Over the past several years, researchers ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]rlc_forest_fires 25.0,23.21,180.0,71.0 1998-04-01T00:00:00Z 1999-09-30T00:00:00Z 2012-02-09T05:00:00Z

This dataset is derived from Russian forest fire imagery from the National Forest Fire Center of Russia archive that was collected by the Center of Remote Sensing, Institute of Solar Terrestrial Physics, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]dsp01_ccrs -178.0,34.0,-9.0,67.0 1995-04-11T00:00:00Z 1995-11-01T00:00:00Z 2012-02-01T05:00:00Z

This land cover product was produced by NBIOME to generate an up-to-date, spatially and temporally consistent land cover map of the landmass of Canada for use by scientists and other users interested ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]dsp09_mosscover -111.0,48.0,-90.0,60.0 1992-04-01T00:00:00Z 1994-12-31T00:00:00Z 2012-02-01T05:00:00Z

BOREAS follow-on group DSP-9 mapped surface moss type at three scales (1 km, 30 m, and 10 m) based on observed associations between moss cover and land cover type. In the BOREAS Northern (NSA) and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]DSP10_FPAR_LAI -111.0,48.0,-90.0,60.0 1994-05-21T00:00:00Z 1994-09-11T00:00:00Z 2012-02-01T05:00:00Z

Existing BOREAS gridded data sets were processed into projections and scales required by the Follow-on modeling teams. Existing TM and AVHRR based landcover maps, AVHRR-FPAR maps, AVHRR-LAI maps, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]dsp10_landcover -111.0,48.0,-90.0,60.0 1994-01-01T00:00:00Z 1995-01-01T00:00:00Z 2012-02-01T05:00:00Z

These images were produced by aggregating the 1-km land cover classification by Lou Steyaert at multiple resolutions (2 km, 10x5 minutes, and 0.5 degree). These data were regridded for use by the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]dsp10_moss_cover -111.0,48.0,-90.0,60.0 1994-01-01T00:00:00Z 1995-01-01T00:00:00Z 2012-02-01T05:00:00Z

Existing 1-km moss cover classifications were reprocessed and are now available at multiple resolutions (2 km, 10x5 minutes, and 0.5 degree). These data were regridded for use by the BOREAS Follow-on ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BOREAS_AVHRRL3B -111.0,50.09,-93.5,59.98 1994-01-30T00:00:00Z 1996-09-18T00:00:00Z 2011-11-21T05:00:00Z

The BOREAS Staff Science Satellite Data Acquisition Program focused on providing the research teams with the remotely sensed satellite data products they needed to compare and spatially extend point ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LC02_MAP_FIRE_INDICATORS -81.2833,-22.3833,-57.7933,-0.6667 2003-01-01T00:00:00Z 2006-12-31T00:00:00Z 2011-11-07T05:00:00Z

This data set provides hot pixel data, as an indicator of fires, that were detected by various satellites in the tri-national MAP region (Madre de Dios-Peru, Acre-Brazil, and Pando-Bolivia) in 2003, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BOREAS_AVHRRL4B -115.41,50.03,-93.29,61.01 1994-04-11T00:00:00Z 1994-09-10T00:00:00Z 2011-11-01T04:00:00Z

The BOREAS Staff Science Satellite Data Acquisition Program focused on providing the research teams with the remotely sensed satellite data products they needed to compare and spatially extend point ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BOREAS_AVHRRL4C -115.41,48.83,-93.29,61.01 1994-04-11T00:00:00Z 1994-09-10T00:00:00Z 2011-11-01T04:00:00Z

The BOREAS Staff Science Satellite Data Acquisition Program focused on providing the research teams with the remotely sensed satellite data products they needed to compare and spatially extend point ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BOREAS_AVHRRLC1 -108.0,52.0,-96.0,57.0 1992-04-01T00:00:00Z 1992-09-30T00:00:00Z 2011-10-25T04:00:00Z

This regional land cover classification is based on the use of multitemporal 1-km Advanced Very High Resolution Radiometer (AVHRR) National Oceanic and Atmospheric Administration (NOAA 11) data that ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BOREAS_R7LAIFPA -115.41,48.83,-93.29,61.01 1994-04-09T00:00:00Z 1994-09-10T00:00:00Z 2011-10-25T04:00:00Z

The BOREAS RSS-07 team focused their efforts on developing and validating procedures and algorithms that would allow the retrieval of LAI from remotely sensed vegetation indices. This data set contains ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0065 -180.0,-90.0,180.0,-54.0-180.0,48.0,180.0,90.0 1992-04-01T00:00:00Z 1998-12-31T00:00:00Z 2011-08-01T04:00:00Z

<h2 class='newsdate'>Please note that the machine on which these AVHRR data are processed has reached its life expectancy and will no longer be available as of 02 June 2008 until further notice.</h2> ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0070 -180.0,-90.0,180.0,-50.0 1975-01-01T00:00:00Z T00:00:00Z 2011-08-01T04:00:00Z

This compilation of recent ice velocity data of the Antarctic ice sheet is intended for use by the polar scientific community. The data are presented in tabular form (ASCII), containing latitude, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0022 -180.0,-90.0,180.0,-50.0-180.0,50.0,180.0,90.0 1992-04-01T00:00:00Z T00:00:00Z 2011-06-30T04:00:00Z

<h2 class='newsdate'>Please note that the machine on which these AVHRR data are processed has reached its life expectancy and will no longer be available as of 02 June 2008 until further notice.</h2> ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]FIFE_SAT_AVHR -96.63,39.13,-96.63,39.13 1987-02-03T00:00:00Z 1989-10-13T00:00:00Z 2011-05-20T04:00:00Z

The Advanced Very High Resolution Radiometer (AVHRR) is a four- or five-channel scanning radiometer capable of providing global daytime and nighttime sea-surface temperature and information about ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ISLSCP_II_FASIR_NDVI -180.0,-90.0,180.0,90.0 1982-01-01T00:00:00Z 1998-12-31T00:00:00Z 2011-02-18T05:00:00Z

The Fourier-Adjusted, Sensor and Solar zenith angle corrected, Interpolated, Reconstructed (FASIR) adjusted Normalized Difference Vegetation Index (NDVI) data sets were generated to provide a 17-year, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ISLSCP_II_GIMMS_NDVI -180.0,-90.0,180.0,90.0 1981-07-01T00:00:00Z 2002-12-31T00:00:00Z 2011-02-18T05:00:00Z

The Global Inventory Modelling and Mapping Studies (GIMMS) Normalized Difference Vegetation Index (NDVI) data sets were generated to provide a 22-year satellite record of monthly changes in terrestrial ...