Digital Elevation Model (DEM)

Sources

• Earth Explorer - USGS source for SRTM and GMTED2010 data globally
• The National Map -USGS site for National Elevation Data (NED), NAIP high res aerial photography, Landcover and other data
• USGS Elevation Products - Description of major DEM sources and links
• MEaSUREs Data - USGS SRTM metadata and access
• ASTER Global 30m data - NASA REVERB | ECHO site - Use elevation as search term - many other DEM data also
• CGIAR enhanced SRTM data - Seamless 5 x 5 degree tiles of data using improved interpolation algorithms

DEM Reference Information

• SRTM - Shuttle Radar Topography Mission home page
• Geo Community - A good source of DEM information