Digital Elevation Model (DEM) Sites

Sources

• Earth Explorer - USGS source for SRTM data globally
• USGS Seamless Data Archive - Look here for NED data for the U.S.
• ASTER Global 30m data - NASA REVERB | ECHO site - Use elevation as search term - many other DEM data also
• GLCF SRTM data by Landsat Path/Row - They have improved on the "cleaned" version 2 data
• GTOPO30 Global DEM 1 KM resolution - USGS site - These data are also on the CEO server in ENVI format
• SRTM30 - GTOPO30 dataset updated with SRTM data where available
• CGIAR enhanced SRTM data - Seamless 5 x 5 degree tiles of data using improved interpolation algorithms

Reference Information

• Description of the major DEM products - CEO online documentation
• SRTM - Shuttle Radar Topography Mission home page
• Geo Community - A good source of DEM information

10 November 2011