Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-22T11:21:02Z amd Search: [Keyword='DEM'] http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 28 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GTOPO30 Global 30-Arc-Second Elevation Data Set -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?[AADC]mcdonald_dem_may2012 A Digital Elevation Model of McDonald Island derived from GeoEye-1 stereo imagery captured 19 May 2012 72.533,-53.067,72.74,-53.003 2012-05-19T00:00:00Z 2012-05-19T00:00:00Z 2012-12-20T05:00:00Z This dataset consists of: 1 GeoEye-1 stereo imagery of an area of approximately 100 square kilometres including McDonald Island, captured 19 May 2012 2 A Digital Elevation Model (DEM) derived from ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0082 Radarsat Antarctic Mapping Project Digital Elevation Model Version 2 -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]GLA14 GLAS/ICESat L2 Global Land Surface Altimetry Data -180.0,-86.0,180.0,86.0 2003-02-20T00:00:00Z T00:00:00Z 2012-05-13T04:00:00Z The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and Land Elevation Satellite (ICESat) provides global measurements of polar ice sheet elevation to discern changes in ice ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ANTARCTIC_DEM High Resolution Lidar Digital Elevation Models and Low Resolution Shaded Relief Maps of Antarctica from USGS -180.0,-90.0,180.0,-62.83 2012-05-03T04:00:00Z Lidar high-resolution elevation digital elevation model data and low-resolution shaded relief maps of Antarctica are available for download from the U.S. Antarctic Resource Center. These are interim ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0076 Antarctic 5-km Digital Elevation Model from ERS-1 Altimetry -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?[AADC]heard_dem_terrasar A Digital Elevation Model of Heard Island derived from TerraSAR satellite imagery 73.185,-53.266,74.02,-52.931 2009-10-31T00:00:00Z 2009-11-14T00:00:00Z 2011-06-13T04:00:00Z This dataset is a Digital Elevation Model (DEM) of Heard Island derived from TerraSAR_X imagery using radargrammetric methods. At least one pair of ascending images and one pair of descending images ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLA06 GLAS/ICESat L1B Global Elevation Data -180.0,-86.0,180.0,86.0 2003-02-20T00:00:00Z T00:00:00Z 2011-02-11T05:00:00Z The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and Land Elevation Satellite (ICESat) provides global measurements of polar ice sheet elevation to discern changes in ice ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLA05 GLAS/ICESat L1B Global Waveform-based Range Corrections Data -180.0,-86.0,180.0,86.0 2003-02-20T00:00:00Z T00:00:00Z 2011-02-11T05:00:00Z The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and Land Elevation Satellite (ICESat) provides global measurements of polar ice sheet elevation to discern changes in ice ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLA12 GLAS/ICESat L2 Antarctic and Greenland Ice Sheet Altimetry Data -180.0,-86.0,180.0,86.0 2003-02-20T00:00:00Z T00:00:00Z 2011-02-11T05:00:00Z The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and Land Elevation Satellite (ICESat) provides global measurements of polar ice sheet elevation to discern changes in ice ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLA15 GLAS/ICESat L2 Ocean Surface Altimetry Data -180.0,-86.0,180.0,86.0 2003-02-20T00:00:00Z T00:00:00Z 2011-02-11T05:00:00Z The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and Land Elevation Satellite (ICESat) provides global measurements of polar ice sheet elevation to discern changes in ice ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLA13 GLAS/ICESat L2 Sea Ice Altimetry Data -180.0,-86.0,180.0,86.0 2003-02-20T00:00:00Z T00:00:00Z 2011-02-11T05:00:00Z The Geoscience Laser Altimeter System (GLAS) instrument on the Ice, Cloud, and Land Elevation Satellite (ICESat) provides global measurements of polar ice sheet elevation to discern changes in ice ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2363 Heard Island glacier fluctuations and climatic change - 2003/04 Fieldwork 73.45,-53.3,73.6,-53.1 2003-12-16T00:00:00Z 2004-02-26T00:00:00Z 2010-08-10T04:00:00Z This report describes the data collected for ASAC project 2363 (a continuation of ASAC 1158). A full report of the data collected and the work completed is available for download with the dataset. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MRJ_MDS Marine data sampler, bathymetry data: MRJ Inc. -180.0,-90.0,180.0,90.0 2010-07-21T04:00:00Z The following text was abstracted from Bruce Gittings' Digital Elevation Data Catalogue: 'http://www.geo.ed.ac.uk/home/ded.html'. The catalogue is a comprehensive source of information ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0304 GLAS/ICESat 500 m Laser Altimetry Digital Elevation Model of Antarctica -180.0,-86.0,180.0,-63.0 2003-02-01T00:00:00Z 2005-06-30T00:00:00Z 2010-03-09T05:00:00Z 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]DBDBV Digital Bathymetric Data Base Variable Resolution (DBDB-V) from the U.S. Naval Oceanographic Office (NAVOCEANO) -180.0,-90.0,180.0,90.0 2009-10-09T04:00:00Z The Digital Bathymetric Data Base Variable resolution (DBDBV) is a digital bathymetric data base that provides ocean depths at various gridded resolutions. DBDBV was developed by NAVOCEANO to support ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]heard_dem_radarsat97 Heard Island RADARSAT (1997) DEM 73.238,-53.2,73.89,-52.957 1997-10-24T00:00:00Z 1997-10-24T00:00:00Z 2009-02-12T05:00:00Z A Digital Elevation Model (DEM) of Heard island, with a 50 metre grid interval, and held in UTM Zone 43(WGS-84) coordinates. Heights are referenced to mean sea level. 50 metre contours (including ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]heard_dem_radarsat02 Heard Island RADARSAT (2002) DEM 73.18306,-53.27694,73.97306,-52.80806 2002-01-24T00:00:00Z 2002-01-24T00:00:00Z 2002-02-17T00:00:00Z 2002-02-17T00:00:00Z 2002-03-13T00:00:00Z 2002-03-13T00:00:00Z 2009-02-12T05:00:00Z This dataset is a Digital Elevation Model (DEM) of Heard Island derived by interferometric processing from RADARSAT images acquired on 17 February 2002 and 13 March 2002. The DEM was created by a ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]brownbay_bathy_dem A bathymetric Digital Elevation Model (DEM) of Brown Bay, Windmill Islands 110.54,-66.281,110.548,-66.279 1997-02-01T00:00:00Z 1997-03-31T00:00:00Z 2000-02-05T00:00:00Z 2000-02-05T00:00:00Z 2008-10-21T04:00:00Z This dataset is a Digital Elevation Model (DEM) of Brown Bay, Windmill Islands and contours and bathymetric contours derived from the DEM. The data are stored in a UTM zone 49 projection. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]obrienbay_bathy_dem A bathymetric Digital Elevation Model (DEM) of O'Brien Bay, Windmill Islands 110.516,-66.297,110.54,-66.293 1997-03-31T00:00:00Z 1997-03-31T00:00:00Z 2008-10-21T04:00:00Z A bathymetric Digital Elevation Model (DEM) of O'Brien Bay, Windmill Islands. http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]macca_dem_gis Macquarie Island AIRSAR DEM (Digital Elevation Model) 158.77,-54.8,158.95,-54.45 2000-08-16T00:00:00Z 2002-02-01T00:00:00Z 2008-09-23T04:00:00Z A digital elevation Model (DEM) of Macquarie Island with a five metre grid interval, and held in UTM Zone 57 , WGS 84 coordinates. Heights are referenced to mean sea level. 5 metre contours to the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]bunger_hills_spot5_dem_gis Bunger Hills SPOT5 DEM (Digital Elevation Model) 100.0,-66.5167,101.85,-65.8167 2007-01-17T00:00:00Z 2007-01-17T00:00:00Z 2008-08-25T04:00:00Z A digital elevation Model (DEM) of the Bunger Hills with a five metre grid interval,and held in UTM Zone 47, WGS 84 horizontal coordinates and EGM 96 elevation datum. Heights are referenced to Ellipsoid ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]newcomb_bay_bathy_dem A bathymetric Digital Elevation Model (DEM) of Newcomb Bay, Windmill Islands 110.512,-66.282,110.566,-66.256 1997-02-01T00:00:00Z 1997-03-31T00:00:00Z 2000-02-05T00:00:00Z 2000-02-05T00:00:00Z 2008-08-07T04:00:00Z A Digital Elevation Model (DEM) of Newcomb Bay, Windmill Islands and terrestrial and bathymetric contours derived from the DEM. The data is stored in a UTM zone 49(WGS-84) projection. Heights are ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]shirley_dem A digital elevation model (DEM) and orthophoto of Shirley Island, Windmill Islands, Antarctica 110.473,-66.287,110.509,-66.277 2005-01-01T00:00:00Z 2007-05-01T00:00:00Z 2008-04-10T04:00:00Z This dataset includes: (i) a 2 metre resolution digital elevation model (DEM) of Shirley Island, Windmill Islands, Antarctica; (ii) reliability data for the DEM; (iii) contours interpolated from the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]whitney_dem A digital elevation model (DEM) and orthophoto of the Whitney Point area of the Windmill Islands, Antarctica 110.522,-66.255,110.544,-66.248 2005-01-01T00:00:00Z 2007-05-01T00:00:00Z 2008-04-10T04:00:00Z This dataset includes a 10 metre resolution digital elevation model (DEM) of the Whitney Point area of the Windmill Islands, Antarctica and an orthophoto created using the DEM. The data are stored ... http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]wind_dem Digital Elevation Model of the Windmill Islands 110.0,-67.0,111.0,-66.0 1999-07-11T00:00:00Z 1999-08-23T00:00:00Z 2008-04-10T04:00:00Z This DEM includes all the inshore and offshore islands, all the peninsulas and the lower slopes of the icecap leading up to Law Dome. The DEM has a cell size of 10 m. http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]macca_contour_gis Macquarie Island contour data derived from Airborne Synthetic Aperture Radar images captured August 2000 158.77,-54.8,158.95,-54.45 2000-08-16T00:00:00Z 2002-02-01T00:00:00Z 2008-04-10T04:00:00Z Contours on Macquarie Island. Contour interval 5 metres. Heights are referenced to mean sea level. This is a line dataset stored in the Geographical Information System (GIS). http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]DBDB5 Digital Bathymetric Data Base 5-minute (DBDB5) from the U.S. Naval Oceanographic Office (NAVOCEANO) -180.0,-90.0,180.0,90.0 2004-11-24T05:00:00Z The "Digital Bathymetric Data Base 5 minute" (DBDB5) was assembled by the US Naval Oceanographic Office in the early 1980's from computer interpolation of existing contour maps of ocean basins. It ...