| Elevation Products |
Descriptions |
Search & Order |
| National Elevation Dataset (NED) |
Seamless 10- and 30-meter digital raster elevation data covers the conterminous U.S., Alaska, Hawaii, Puerto Rico, and Virgin Islands. Features periodic updates to incorporate the best available source data (primarily USGS 10 and 30-meter DEMs). |
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| Shuttle Radar Topography Mission (SRTM) |
Seamless SRTM "Finished" 1 arc second (30 meter posting) digital raster elevation covers the United States and its territories and possesions. Seamless SRTM "Finished" 3 arc second (90 meter posting) digital raster elevation covers the globe between 60 degrees N and 56 degrees S latitude. SRTM "Finished" was supplied by NGA. |
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| Pre-defined areas of 1 arc second (30 meter) SRTM "Finished" Data in SRTM format, on DVD, covers the United States and its territories and possesions. The SRTM format is created from the SRTM DTED® Level 2 "Finished" product supplied by NGA. |
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| Pre-Defined areas of 3 arc second (90 meter) SRTM "Finished" data in SRTM Format, on DVD, covers the globe between 60 degrees N and 56 degrees S latitude. The SRTM Format is created from the SRTM DTED® Level 1 "Finished" product supplied by NGA. |
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| Shuttle Radar Topography Mission (SRTM) DTED® |
3 arc second (90 meter) SRTM DTED® Level 1 "Finished" data derived from SRTM IFSAR data. |
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| 1 arc second (30 meter) SRTM DTED® Level 2 "Finished" data derived from SRTM IFSAR data. 1 arc second (30 meter) is only available for the United States and territorial islands. |
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| SRTM Water Body Dataset |
SRTM Water Body Data files are a by-product of the data editing performed by the National Geospatial-Intelligence Agency (NGA) to produce the finished SRTM Digital Terrain Elevation Data Level 2 (DTED® 2). |
EarthExplorer |
| Digital Elevation Models (DEMs) |
Digital raster elevation data based on USGS topographic quads. |
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| Global 30 Arc-Second Elevation Dataset (GTOPO30) |
Global 1-km digital raster data derived from a variety of sources. |
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| HYDRO1K |
A global hydrologic database derived from 1996 GTOPO30 data. |
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