Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-24T11:18:41Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 180 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_GLDAS_NOAH10_M_E1_V002 -180.0,-60.0,180.0,90.0 1948-01-01T00:00:00Z T00:00:00Z 2013-04-29T04:00:00Z

This data set contains a series of land surface parameters simulated from the NOAH 2.7.1, GLDAS/NOAH experiment 001, for Version 2 of the Global Land Data Assimilation System (GLDAS-2). The data are ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_GLDAS_NOAH10_3H_E1_V002 -180.0,-60.0,180.0,90.0 1948-01-01T00:00:00Z T00:00:00Z 2013-04-29T04:00:00Z

This data set contains a series of land surface parameters simulated from the NOAH 2.7.1, GLDAS/NOAH experiment 001, for Version 2 of the Global Land Data Assimilation System (GLDAS-2). The data are ...

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]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_2004EVI -180.0,-55.0,180.0,90.0 1973-01-01T00:00:00Z 2003-01-01T00:00:00Z 2013-02-12T05:00:00Z

The 2004 Environmental Vulnerability Index (EVI) portion of the Compendium of Environmental Sustainability Indicator Collections contains 111 variables for 235 countries and territories. This index ...

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]AST_04 -180.0,-83.0,180.0,83.0 2013-01-30T05:00:00Z

This product is discontinued. The ASTER On-Demand L2 Brightness Temperature at the Sensor is an on-demand product generated using the five thermal infrared Bands between 8 and 12 ?m. Brightness ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD29P1D1 -180.0,-90.0,180.0,90.0 2001-01-24T00:00:00Z T00:00:00Z 2013-01-16T05:00:00Z

Sea ice products from the Moderate Resolution Imaging Spectroradiometer (MODIS) include level 2 swath data and level 3 gridded day and night composites, at 1 km resolution. Level 3 products consist ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_bioatlas_arctic 15.0,65.0,100.0,85.0 1913-01-01T00:00:00Z 1999-01-01T00:00:00Z 2012-12-12T05:00:00Z

Presented are (a) physical and biological data collected during 158 scientific cruises carried out in the period 1913-1999 and (b) data on phytoplankton collected in 1994-1999 during cruises ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_GLDAS_NOAH10_3H_V020 -180.0,-60.0,180.0,90.0 1948-01-01T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z

Global Land Data Assimilation System Version 2 (hereafter, GLDAS-2) has two components: one forced entirely with the Princeton meteorological forcing data (hereafter, GLDAS-2.0), and the other forced ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_GLDAS_NOAH10_M_V020 -180.0,-60.0,180.0,90.0 1948-01-01T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z

Global Land Data Assimilation System Version 2 (hereafter, GLDAS-2) has two components: one forced entirely with the Princeton meteorological forcing data (hereafter, GLDAS-2.0), and the other forced ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0057 -180.0,65.0,180.0,90.0 1950-01-01T00:00:00Z 1995-12-31T00:00:00Z 2012-10-18T04:00:00Z

The Comprehensive Ocean - Atmosphere Data Set (COADS) LMRF Arctic subset contains marine surface weather reports for the region north of 65 degrees N from ships, drifting ice stations, and buoys. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0020 -30.0,60.0,30.0,90.0 1988-03-01T00:00:00Z 1989-05-31T00:00:00Z 2012-10-18T04:00:00Z

CEAREX was a multi-platform field program conducted in the Norwegian Seas and Greenland north to Svalbard from September 1988 through May 1989. Canada, Denmark, France, Norway and the United States ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0054 -180.0,65.0,180.0,90.0 1976-01-01T00:00:00Z 1996-06-30T00:00:00Z 2012-10-18T04:00:00Z

NCEP/NCAR Arctic Marine Rawinsonde Archive, available via ftp, contains 17,659 marine rawinsonde reports for the region north of 65 degrees North. Its record extends from 1976 to 1996. These soundings ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CIESIN_SEDAC_HANPP_CPROD -180.0,-55.0,180.0,90.0 1995-01-01T00:00:00Z 1995-01-01T00:00:00Z 2012-09-28T04:00:00Z

The Human Appropriation of Net Primary Productivity (HANPP) by Country and Product portion of the HANPP Collection contains tabular data on carbon-equivalents of consumption by country and by type ...

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-0032 -180.0,-90.0,180.0,90.0 1987-07-09T00:00:00Z T00:00:00Z 2012-05-15T04:00:00Z

This Level-3 Equal-Area Scalable Earth-Grid (EASE-Grid) Brightness Temperature data set, collected since 09 July 1987, is a part of the NOAA/NASA Pathfinder Program. The data set consists of gridded ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0461 -166.1468,64.8929,-148.2055,71.9577 2006-03-21T00:00:00Z 2006-03-21T00:00:00Z 2006-03-22T00:00:00Z 2006-03-22T00:00:00Z 2006-03-25T00:00:00Z 2006-03-25T00:00:00Z 2012-05-14T04:00:00Z

Notice to Data Users: The documentation for this data set was provided solely by the Principal Investigator(s) and was not further developed, thoroughly reviewed, or edited by NSIDC. Thus, support ...

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-0072 -141.0,41.0,-52.0,84.0 1874-01-01T00:00:00Z 1990-12-31T00:00:00Z 2012-05-14T04:00:00Z

This data set was distributed by NSIDC until October, 2003, when it was withdrawn from distribution because it duplicates the NOAA National Climatic Data Center (NCDC) data set TD-9816 'Canadian Monthly ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0393 -180.0,65.0,180.0,86.0 2005-10-21T00:00:00Z 2005-11-24T00:00:00Z 2006-02-22T00:00:00Z 2006-03-27T00:00:00Z 2006-05-24T00:00:00Z 2006-06-26T00:00:00Z 2006-10-25T00:00:00Z 2006-11-27T00:00:00Z 2007-03-12T00:00:00Z 2007-04-14T00:00:00Z 2007-10-02T00:00:00Z 2007-11-05T00:00:00Z 2012-05-14T04:00:00Z

This data set provides measurements of sea ice freeboard and sea ice thickness for the Arctic region. The data were acquired from the Ice, Cloud, and land Elevation Satellite (ICESat) Geoscience Laser ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0033 -180.0,65.0,180.0,90.0 1954-01-01T00:00:00Z T00:00:00Z 2012-05-14T04:00:00Z

A gridded climatological monthly-mean data base of Arctic water vapor characteristics has been assembled by combining fixed station data with data from soundings taken over the Arctic Ocean from ships ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0079 -180.0,-90.0,180.0,-39.0-180.0,30.0,180.0,90.0 1978-10-26T00:00:00Z T00:00:00Z 2012-05-14T04:00:00Z

This sea ice concentration data set was derived using measurements from the Scanning Multichannel Microwave Radiometer (SMMR) on the Nimbus-7 satellite and from the Special Sensor Microwave/Imager ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0447 -180.0,0.0,180.0,90.0 1998-03-12T00:00:00Z 2011-12-31T00:00:00Z 2012-05-14T04:00:00Z

This data set consists of Northern Hemisphere snow depth analysis data processed by the Canadian Meteorological Centre (CMC). Snow depth data obtained from surface synoptic observations (synops), ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0001 -180.0,-90.0,180.0,-39.0-180.0,30.0,180.0,90.0 1987-07-09T00:00:00Z T00:00:00Z 2012-05-14T04:00:00Z

NSIDC produces daily gridded brightness temperature data from orbital swath data generated by the Special Sensor Microwave/Imager (SSM/I) aboard the Defense Meteorological Satellite Program (DMSP) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0052 -73.0,60.0,-10.0,84.0 1991-01-01T00:00:00Z 1995-12-31T00:00:00Z 1992-08-02T00:00:00Z 1992-09-09T00:00:00Z 2012-05-14T04:00:00Z

The Digital SAR Mosaic and Elevation Map of the Greenland Ice Sheet CD-ROM combines the most detailed synthetic aperture radar (SAR) image mosaic available with the best current digital elevation ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0464 -180.0,-90.0,180.0,-39.0-180.0,30.0,180.0,90.0 1995-01-01T00:00:00Z 2008-12-31T00:00:00Z 2002-01-01T00:00:00Z 2009-01-01T00:00:00Z 2012-05-14T04:00:00Z

Notice to data users: The AMSR-E 89.0 GHz data provided here are currently at 12.5 km resolution, in 1441x1441 arrays. Updated, enhanced AMSR-E 89.0 GHz data will replace the 12.5 km data as soon ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0305 -73.0,60.0,-11.0,83.0 2003-02-01T00:00:00Z 2005-06-30T00:00:00Z 2012-05-14T04:00:00Z

The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and land Elevation Satellite (ICESat) provides global measurements of elevation, and repeats measurements along nearly-identical ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0218 -73.0,60.0,-10.0,84.0 1979-04-02T00:00:00Z T00:00:00Z 2012-05-14T04:00:00Z

The Greenland ice sheet melt extent data, acquired as part of the NASA Program for Arctic Regional Climate Assessment (PARCA), is a daily (or every other day, prior to August 1987) estimate of the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0190 0.0,-90.0,178.72,-60.717-73.167,59.983,-13.583,83.633 1913-01-01T00:00:00Z 2002-12-31T00:00:00Z 2012-05-14T04:00:00Z

This product consists of meteorological data from 105 Arctic weather stations and 137 Antarctic stations, extracted from the National Climatic Data Center (NCDC)'s Integrated Surface Hourly (ISH) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0478 -75.0,60.0,-14.0,83.0 2000-09-03T00:00:00Z 2001-01-24T00:00:00Z 2005-12-13T00:00:00Z 2006-04-20T00:00:00Z 2006-12-18T00:00:00Z 2007-04-15T00:00:00Z 2012-05-14T04:00:00Z

This data set, part of the NASA Making Earth Science Data Records for Use in Research Environments (MEaSUREs) project, provides annual ice-sheet-wide velocity maps for Greenland, derived using Interferometric ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0481 -33.85147,68.31975,-32.045334,69.05905 2008-11-01T00:00:00Z 2008-11-12T00:00:00Z 2012-05-14T04:00:00Z

This data set is part of the NASA Making Earth Science Data Records for Use in Research Environments (MEaSUREs) project. This data set provides maps of glacier outlet areas, some of which have shown ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0208 -105.02194,68.96694,-63.196945,76.42194 2000-06-26T00:00:00Z 2000-07-06T00:00:00Z 2012-05-14T04:00:00Z

The Meltpond2000 project was the first in a series of Arctic and Antarctic aircraft campaigns to validate sea ice algorithms developed for the Advanced Microwave Scanning Radiometer - Earth Observing ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0265 -180.0,-90.0,180.0,-52.0-180.0,60.0,180.0,90.0 1999-07-19T00:00:00Z 2004-12-31T00:00:00Z 2012-05-14T04:00:00Z

This data set provides sea ice extent for the Arctic (60-90 degrees North) and Antarctic (52-90 degrees South) in Scatterometer Image Reconstruction (SIR) binary image format, along with ASCII text ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0080 -180.0,-90.0,180.0,-60.0-180.0,60.0,180.0,90.0 1999-07-01T00:00:00Z T00:00:00Z 2012-05-14T04:00:00Z

The Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperature product provides near-real-time brightness temperatures for both the Northern and Southern Hemispheres. These brightness ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0081 -180.0,-90.0,180.0,-39.23-180.0,30.98,180.0,90.0 1999-04-05T00:00:00Z T00:00:00Z 2012-05-14T04:00:00Z

This data set provides a near-real-time (NRT) map of sea ice concentrations for both the Northern and Southern Hemispheres. The near-real-time passive microwave brightness temperature data are acquired ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0077 -180.0,-90.0,180.0,-50.0-180.0,50.0,180.0,90.0 1972-12-11T00:00:00Z 1977-05-16T00:00:00Z 2012-05-14T04:00:00Z

The Nimbus-5 Electrically Scanning Microwave Radiometer (ESMR) data set consists of gridded brightness temperature arrays for the Arctic and Antarctic, spanning 11 December 1972 through 16 May 1977. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0009 -180.0,-90.0,180.0,-39.23-180.0,30.98,180.0,90.0 1972-12-12T00:00:00Z 1976-12-31T00:00:00Z 2012-05-14T04:00:00Z

Daily and monthly averaged sea ice concentrations from the Nimbus-5 Electrically Scanning Microwave Radiometer (ESMR) are available for the Arctic and Antarctic from 12 December 1972 through 31 December ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0007 -180.0,-90.0,180.0,-39.0-180.0,30.0,180.0,90.0 1978-10-25T00:00:00Z 1987-08-20T00:00:00Z 2012-05-14T04:00:00Z

This data set contains gridded brightness temperatures and sea ice concentrations for both polar regions. It spans the period from October 1978 through August 1987, when the Nimbus-7 SMMR scanner ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BLVIS0 -180.0,60.0,180.0,90.0 2007-09-20T00:00:00Z 2007-09-21T00:00:00Z 2012-05-14T04:00:00Z

The Pre-IceBridge LVIS L0 Raw Ranges (BLVIS0) data set contains laser altimeter measurements over Greenland taken from the NASA Land, Vegetation, and Ice Sensor (LVIS). The data are stored in binary ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0051 -180.0,-90.0,180.0,-39.23-180.0,30.98,180.0,90.0 1978-10-26T00:00:00Z T00:00:00Z 2012-05-14T04:00:00Z

This data set is generated from brightness temperature data derived from the following sensors: the Nimbus-7 Scanning Multichannel Microwave Radiometer (SMMR), the Defense Meteorological Satellite ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0192 -180.0,-90.0,180.0,-39.23-180.0,30.98,180.0,90.0 1978-10-26T00:00:00Z T00:00:00Z 2012-05-14T04:00:00Z

NSIDC provides a suite of value-added products to aid in investigations of the variability and trends of sea ice cover. These products provide users with information about sea ice extent, total ice-covered ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0105 -180.0,30.0,180.0,90.0 1979-01-01T00:00:00Z 2007-12-31T00:00:00Z 2012-05-14T04:00:00Z

Yearly snow melt onset dates over Arctic sea ice are derived from Scanning Multichannel Microwave Radiometer (SMMR) and Special Sensor Microwave/Imager (SSM/I) brightness temperatures. The introduction ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ILATM2 -180.0,-90.0,180.0,-53.0-180.0,60.0,180.0,90.0 2009-01-01T00:00:00Z T00:00:00Z 2012-05-13T04:00:00Z

The NASA IceBridge ATM Level-2 Icessn Elevation, Slope, and Roughness (ILATM2) data set contains resampled and smoothed elevation measurements of Arctic and Antarctic sea ice, and Greenland, Antarctic ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IRACC1B -180.0,60.0,180.0,90.0 2010-05-05T00:00:00Z T00:00:00Z 2012-05-13T04:00:00Z

The NASA IceBridge Accumulation Radar L1B Geolocated Radar Echo Strength Profiles data set contains radar backscatter measurements of snow depth, internal layering, and topography of Greenland acquired ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IOCAM1B -180.0,-90.0,180.0,-53.0-180.0,60.0,180.0,90.0 2009-03-31T00:00:00Z T00:00:00Z 2012-05-13T04:00:00Z

The NASA IceBridge CAMBOT L1B Geolocated Images data set contains Continuous Airborne Mapping By Optical Translator (CAMBOT) images taken over Antarctica and Greenland. The data set contains original ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IODMS1B -180.0,-90.0,180.0,-53.0-180.0,60.0,180.0,90.0 2009-10-16T00:00:00Z T00:00:00Z 2012-05-13T04:00:00Z

The IceBridge DMS L1B Geolocated and Orthorectified Images (IODMS1B) data set contains level 1B imagery taken from the Digital Mapping System (DMS) over Antarctica and Greenland. The DMS airborne ...