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Digital Elevation/Terrain Model (DEM) Data Access and Tools
NASA's digital elevation model (DEM) data provides measurements across a majority of Earth's interior, shore, and coastal areas. Our datasets and tools help researchers translate these interconnected data points into actionable knowledge.
Featured Digital Elevation/Terrain Model Observation Method: ASTER
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is a high spatial resolution instrument aboard the Terra satellite. ASTER provides a Global Digital Elevation Models (GDEM) of Earth's land surface at approximately 30-meter spatial resolution.
Version 3 of the ASTER Global Digital Elevation Model (GDEM) provides new features and sharper imagery.
These products are available globally at their full resolution of 30 meters per pixel.
Looking for synthetic aperture radar (SAR) data? Learn how to discover, access and manipulate SAR data with the newly revamped NASA ASF DAAC Vertex tool. We'll showcase common data access methods and some of the advanced features of this data discovery and data access tool.
NASA's Commercial Satellite Data Acquisition program enables this Satellite Needs Working Group solution by providing access to two 2.0 m Digital Elevation Model (DEM) products.
Digital Elevation/Terrain Model (DEM) Datasets
| Dataset | Platforms | Instruments | Temporal Extent | Location Keywords | Spatial Extent | Data Format |
|---|---|---|---|---|---|---|
| GPM Ground Validation Airborne Snow Observatory (ASO) OLYMPEX V1 | UND CITATION II | LIDAR, VISIBLE SPECTROMETER | 2014-09-04 to 2016-03-30 | WASHINGTON | N: 48.0909 S: 47.493 E: -123.129 W: -124.185 | GeoTIFF |
| ISLSCP II Climate Research Unit CRU05 Monthly Climate Data | NOT APPLICABLE | NOT APPLICABLE | 1986-01-01 to 1995-12-31 | N: 90 S: -90 E: 180 W: -180 | multiple | |
| ISLSCP II CRU05 Climate Time Series for Global Land Areas, 1986-1995 | NOT APPLICABLE | NOT APPLICABLE | 1986-01-01 to 1995-12-31 | N: 90 S: -90 E: 180 W: -180 | multiple | |
| ISLSCP II HYDRO1k Elevation-derived Products | NOT APPLICABLE | NOT APPLICABLE | 1986-01-01 to 1995-12-31 | N: 90 S: -90 E: 180 W: -180 | Shapefile | |
| Land Cover and Vegetation Map, Arctic National Wildlife Refuge | LANDSAT, HELICOPTER, FIELD SURVEYS, DEM | TM, CAMERA, VISUAL OBSERVATIONS, Computer | 1982-06-01 to 1993-08-31 | N: 70.7117 S: 68.8981 E: -140.322 W: -147.051 | GeoTIFF | |
| LBA Regional Boundary for the Amazon and Tocantins River Basins, 5-min | NOT APPLICABLE | NOT APPLICABLE | 1972-01-01 to 1972-12-31 | N: 10 S: -30 E: -30 W: -85 | Binary | |
| LBA-ECO CD-06 Biogeochemistry of Ji-Parana River and Tributaries, Brazil: 1999-2003 | NOT APPLICABLE | NOT APPLICABLE | 1999-05-24 to 2003-05-20 | N: -8.0333 S: -12.9269 E: -60.015 W: -63.4153 | multiple | |
| LBA-ECO LC-15 SRTM30 Digital Elevation Model Data, Amazon Basin: 2000 | SPACE SHUTTLES | RADAR | 2000-02-11 to 2000-02-22 | AMAZONIA | N: 13.8583 S: -21.1277 E: -33.5739 W: -82.7209 | multiple |
| LBA-ECO ND-01 Watershed Deforestation from Landsat TM Series, Rondonia, Brazil: 1999 | DEM | DIGITIZER | 1999-01-01 to 1999-12-31 | N: -8 S: -13.5 E: -60 W: -65 | multiple | |
| LiDAR and DTM Data from Forested Land Near Manaus, Amazonas, Brazil, 2008 | Airplane | LIDAR | 2008-06-07 to 2008-06-24 | BRAZIL | N: -2.32 S: -2.98306 E: -59.7625 W: -60.215 | multiple |
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