Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-06-19T05:37:09Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 37 0 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?[AADC]AAD_Ant_LG-AIS_vel_strain 60.0,-76.0,75.0,-69.0 1998-02-01T00:00:00Z T00:00:00Z 2013-02-19T05:00:00Z

Measurements of ice velocity and strain rate have been derived by analysis of satellite images for the Lambert Glacier and Amery Ice Shelf system. Two techniques have been applied in the production ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ERS_DTM_GRID_ANT -180.0,-82.0,180.0,-65.0 2003-01-01T00:00:00Z 2003-01-31T00:00:00Z 2012-09-21T04:00:00Z

ESRI formatted raster grid of the Antarctic Continental terrain, derived from ERS radar altimeter data. The grid has 'no data' cells in latitudes south of 82 degrees south and steep areas of the continent, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0498 -180.0,-90.0,180.0,-60.0 1992-01-01T00:00:00Z 2009-12-31T00:00:00Z 2012-05-14T04:00:00Z

This data set, part of the NASA Making Earth Science Data Records for Use in Research Environments (MEaSUREs) program, provides 17 years of comprehensive high-resolution mapping of grounding lines ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0484 -180.0,-90.0,180.0,-60.0 1996-01-01T00:00:00Z 2011-12-31T00:00:00Z 2012-05-14T04:00:00Z

This data set, part of the NASA Making Earth Science Data Records for Use in Research Environments (MEaSUREs) program, provides the first comprehensive, high-resolution, digital mosaic of ice motion ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0082 -180.0,-90.0,180.0,-60.0 1940-01-01T00:00:00Z 1999-01-01T00:00:00Z 2012-05-14T04:00:00Z

The high-resolution Radarsat Antarctic Mapping Project (RAMP) Digital Elevation Model (DEM) combines topographic data from a variety of sources to provide consistent coverage of all of Antarctica. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]JAPAN_ANT_SAR 20.0,-78.0,80.0,-65.0 1991-10-21T00:00:00Z T00:00:00Z 2011-08-24T04:00:00Z

Synthetic Aperture Radar data observed by JERS-1, ERS-1, ERS-2 acquired at Syowa Station, Antarctica

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0076 -180.0,-81.0,180.0,-65.0 1994-03-01T00:00:00Z 1995-05-31T00:00:00Z 2011-07-25T04:00:00Z

This data set provides a digital elevation model (DEM) for Antarctica to 81.5 degrees south latitude, at a resolution of 5 km. Approximately twenty million data points were used to generate this data ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NASA_GSFC_OIB_ICE_ALTIMETRY -15.0,59.0,-74.0,82.0-180.0,-82.0,180.0,-65.0 1978-07-01T00:00:00Z 1978-10-31T00:00:00Z 1985-04-01T00:00:00Z 1986-09-30T00:00:00Z 1986-11-01T00:00:00Z 1989-09-30T00:00:00Z 1991-08-01T00:00:00Z T00:00:00Z 1992-09-01T00:00:00Z T00:00:00Z 2011-07-25T04:00:00Z

The Oceans and Ice Branch of NASA's Goddard Space Flight Center has processed satellite radar altimetry and aircraft laser altimetry over the continental ice sheets of Greenland and Antarctica ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0422 -180.0,-86.0,180.0,-60.0 1994-03-01T00:00:00Z 1995-01-31T00:00:00Z 2003-02-20T00:00:00Z 2008-03-21T00:00:00Z 2011-03-03T05:00:00Z

This data set provides a 1 km resolution Digital Elevation Model (DEM) of Antarctica. The DEM combines measurements from the European Remote Sensing Satellite-1 (ERS-1) Satellite Radar Altimeter (SRA) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]GRI_ORT_SLC_FIN -180.0,-82.0,180.0,-65.0 2003-01-01T00:00:00Z 2003-01-31T00:00:00Z 2010-11-12T05:00:00Z

Shapefile (points) of slope corrected orthometric heights derived from ERS radar altimetry as described in the paper 'A Digital Terrain Ice Model of Antarctica derived by ERS Radar Altimeter Data' ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]WOCE_SO -180.0,-90.0,180.0,-50.0 2010-07-07T04:00:00Z

This site is an online Atlas of hydrographic data products for the region extending to the south of 30, nominally the Southern Ocean. Static atlas products are available for browsing and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Scatterometer_Iceberg_Tracking -180.0,-80.0,180.0,-50.0 1978-06-01T00:00:00Z T00:00:00Z 2010-07-02T04:00:00Z

Positions of large (typically greater than 10 nmi) tabular icebergs around Antarctica derived from enhanced resolution historic and present scatterometer data.

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1263 68.55346,-71.22559,73.20463,-69.05807 1992-01-01T00:00:00Z 2007-12-31T00:00:00Z 2009-05-12T04:00:00Z

Metadata record for data from ASAC Project 1263 See the link below for public details on this project. ---- Public Summary from Project ---- The project will involve making a series of measurements ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]SATOBSYS_GRAVSAT -180.0,-80.0,180.0,80.0 1994-04-01T00:00:00Z 1995-03-01T00:00:00Z 2009-03-20T04:00:00Z

GRAVSAT provides gravity survey information for the offshore oil and gas exploration industry. Based on the analysis of radar altimetry from the ERS-1 Geodetic Phase, completed ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]COARE_asf_SST 140.0,-10.0,180.0,10.0 1992-11-01T00:00:00Z 1993-02-28T00:00:00Z 2009-01-08T05:00:00Z

The TOGA COARE Data Information System distributes all TOGA COARE information. WWW: "http://lwf.ncdc.noaa.gov/oa/coare/" NOAA-11 and 12 AVHRR HRPT data are available ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CNDA-ESP_ANT95-1628-E -62.0,-63.0,-60.0,-62.0 1995-02-15T00:00:00Z 1996-02-15T00:00:00Z 2008-07-24T04:00:00Z

In English: The techiniques used to extrapolate seasonal behaviour to annual behaviour, were: - A Geodolite 504 to measure the position of each stake and 3 new stakes ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]AAD_Ant_iceberg_SAR 70.0,-80.0,135.0,-55.0 1991-09-01T00:00:00Z T00:00:00Z 2008-07-22T04:00:00Z

This map shows the distribution of the iceberg data extracted from ERS SAR images. Icebergs are identified in Synthetic Aperture Radar [SAR] images by image analysis using the texture ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ERS_CONT_500_ANT -180.0,-82.0,180.0,-65.0 2003-01-01T00:00:00Z 2003-01-31T00:00:00Z 2008-04-10T04:00:00Z

500 metre interval contours of the Antarctic continent derived from slope corrected orthometric heights that were captured using ERS radar altimetry.

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ERS_DTM_TIN_ANT -180.0,-82.0,180.0,-65.0 2003-01-01T00:00:00Z 2003-01-31T00:00:00Z 2008-04-10T04:00:00Z

ESRI formatted triangular irregular network (TIN) of the Antarctic continental terrain, derived from ERS radar altimeter data. The TIN is unreliable in latitudes south of 82 degrees south and steep ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ERS_CONT_SOURCE_AMERY 56.0,-77.1,80.0,-67.4 2002-11-01T00:00:00Z 2002-11-30T00:00:00Z 2008-04-10T04:00:00Z

The shapefile used in the contour source diagram on the Amery Region Map published by the Australian Antarctic Data Centre in November 2002 (see link below).

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ERS_CONT_MERGED_AMERY 56.0,-77.1,80.0,-67.4 2002-11-01T00:00:00Z 2002-11-30T00:00:00Z 2008-04-10T04:00:00Z

Contours for the Amery Region map published by the Australian Antarctic Data Centre in November 2002 (see link below). This contour data were derived from Russian space photography, ERS-1 and ERS-2 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ERS_DTM -180.0,-82.0,180.0,-65.0 2003-01-01T00:00:00Z 2003-01-31T00:00:00Z 2008-04-10T04:00:00Z

Data generated from slope corrected orthometric heights derived from ERS radar altimetry as described in the paper &A Digital Terrain Ice Model of Antarctica derived by ERS Radar Altimeter Data& by ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ERS_REL_ANT -180.0,-82.0,180.0,-65.0 2003-01-01T00:00:00Z 2003-01-31T00:00:00Z 2008-04-10T04:00:00Z

Shapefile indicating areas of valid and invalid slope corrected orthometric heights derived from ERS Radar Altimetry. Refer to metadata record GRI_ORT_SLC_FIN for more information.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]SIO_NOAA_GEOSAT_ERS1_MARINEGRAV -180.0,-90.0,180.0,90.0 1985-03-30T00:00:00Z 1986-10-30T00:00:00Z 2006-12-18T05:00:00Z

Upon the release of the previously classified data from the U.S. Navy GEOSAT satellite in July 1995, researchers from Scripps Institution of Oceanography and NOAA's National Ocean Service Office of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]AVISO_MSLA -180.0,-90.0,180.0,90.0 1992-09-23T00:00:00Z T00:00:00Z 2006-11-20T05:00:00Z

Contents: multimission gridded sea surface heights computed with respect to a seven-year mean Use: study of ocean variability (mesoscale circulation, seasonal variation, El Ni?o...), including operational ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]AVISO_SLA -180.0,-90.0,180.0,90.0 1992-09-23T00:00:00Z T00:00:00Z 2006-11-20T05:00:00Z

Contents: along-track sea surface heights computed with respect to a seven-year mean Use: study of ocean variability (mesoscale circulation, seasonal variation, El Ni?o...), including operational ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ERS.ALT.OPR -180.0,-90.0,180.0,90.0 1991-07-30T00:00:00Z T00:00:00Z 2006-04-11T04:00:00Z

Range, wave height, wind speed at ~1Hz rate. Precise orbit altitude, tropospheric corrections, ionospheric correction and external corrections are annotated. Both the Microwave Radiometer (MWR) and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ERS1.ATS.PST 100.0,-80.0,-60.0,-65.0-100.0,-60.0,20.0,67.0-180.0,-89.24,180.0,89.24 1991-07-30T00:00:00Z 1996-06-02T00:00:00Z 2006-01-13T05:00:00Z

The ATSR-1 (Along Track Scanning Radiometer) contains an infra-red radiometer and microwave sounder for measurements of sea-surface temperature, cloud-top temperature and cloud cover, and atmospheric ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]LDEO_IGOSS_ERS1 120.0,-40.0,-120.0,40.0 1994-08-01T00:00:00Z 1995-08-31T00:00:00Z 2005-09-29T04:00:00Z

This data set consists of blended sea level anomaly from ERS-1 altimeter data and tide gauge data over the Pacific Ocean. Annual and semiannual signals have been removed, leaving only the interannual ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IFREMER_CERSAT_ERS1_SEAICE_CD -180.0,-90.0,180.0,-55.0-180.0,50.0,180.0,90.0 1991-08-05T00:00:00Z 1996-05-26T00:00:00Z 2005-06-30T04:00:00Z

This CD-ROM contains weekly grids of sea ice backscatter data from the ERS-1 scatterometer for both polar regions. The data cover the time period 5 August 1991 through 26 May 1996. The grid used ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ERS.ALT.TOP -180.0,-90.0,180.0,90.0 1991-07-30T00:00:00Z 1995-03-20T00:00:00Z 2005-03-23T05:00:00Z

The Sea Surface Topography provides an estimate of the large scale structure of the deviations between the geoid and the mean sea surface in terms of a normalized surface spherical harmonic series. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ERS.ALT.OGE -180.0,-90.0,180.0,90.0 1991-07-30T00:00:00Z 1995-10-15T00:00:00Z 2005-03-23T05:00:00Z

The Oceanic Geoid is a digital data set consisting of a global set of point values of geoid heights with respect to a particular reference ellipsoid. The heights are provided for the nodes of a regular ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ERS.ALT.SSH -180.0,-90.0,180.0,90.0 1991-07-30T00:00:00Z 2000-12-31T00:00:00Z 2004-11-29T05:00:00Z

The Sea Surface Height Model (SSH) product is a digital data set consisting of a global set of sea surface height point values with respect to a particular reference ellipsoid on a regular equiangular ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CNDA-ESP_ANT96-0734-E -62.0,-63.0,-60.0,-62.0 1996-02-15T00:00:00Z 1997-02-15T00:00:00Z 2003-09-24T04:00:00Z

In English: Thanks to aerial photographs taken in 1956 and satellite images taken in 1988 and 1991, a 4% reduction in the areal extent of Livingston Island ice cap and even a few measurements with ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CNDA-ESP_ANT93-0852ANT94-1326E -62.0,-63.0,-60.0,-62.0 1994-12-15T00:00:00Z 1995-02-15T00:00:00Z 2003-09-24T04:00:00Z

In English: The aim of this project is to understand the dynamics of the glacial system of Livingston Island (South Shetland Islands, Antarctica). Source data are obtained both from remote sensing ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]DELFT_HYDRAULICS_GWCDB -180.0,-90.0,180.0,90.0 2003-05-28T04:00:00Z

The Global Wave Climate Database of Delft Hydraulics uses wave data to create wave statistics. The data include altimeter data from the GEOSAT and ERS-1 satellites, ship and buoy observations, and ...