Terrain Data

SRTM30/GTOPO30 Global Data (~900 m, 30 arc-sec)

• Click on an area of the map below to download data in compressed format.
  (via links to the USGS Web Site)
  
  • Note:  All tiles are linked to SRTM30 data in .ZIP format except for
    the lowest six Antarctica tiles which are linked to GTOPO30 data
    in .TAR format.
    
    
  • Note:  If you are using WinZip to uncompress the .TAR files, please
    go to the Options Menu/Configuration Menu/Miscellaneous Tab and
    uncheck "TAR file smart CR/LF conversion", otherwise the files will
    not be readable by CALMET.

Shuttle Radar Topography Mission (SRTM)  

• SRTM3  (~90 m, 3 arc-sec)    Version 2.1
  
         Map of locations of 3 arc-second sampled cells for each continent
  
         Download SRTM3 files by continent in .ZIP format:
            (via links to the USGS Web Site)
                      - Africa
                      - Australia
                      - Eurasia
                      - North America
                      - South America
                      - Islands
  
  
  
• SRTM1  (~30 m, 1 arc-sec)    Version 2.1
  
         Map of locations by region of arc-second sampled cells for the U.S.
  
         Download SRTM1 files by U.S. region in .ZIP format:
            (via links to the USGS Web Site)
                      - Region 01
                      - Region 02
                      - Region 03
                      - Region 04
                      - Region 05
                      - Region 06
                      - Region 07

USGS Digital Elevation Model (DEM) Data

• GLCC Database  (V2.0)  (~1000 m, 30 arc-sec)
  
         Compressed data by continent in Lambert Azimuthal
            Equal Area Projection:
            (via links to the USGS Web Site)
                      - Africa  (37.4 MB)
                      - Australia Pacific  (13.1 MB)
                      - Eurasia (optimized for Asia)  (84.9 MB)
                      - Eurasia (optimized for Europe)  (84.1 MB)
                      - North America  (27.5 MB)
                      - South America  (19.4 MB)
  
  
  
• 7.5-minute USGS DEM for the U.S.  (30 m, Quadrangle)
  
         Click here to download SDTS format DEM data in .TAR format.
            (via links to the MapMart Web Site)
  
  • Note:  If you are using WinZip to uncompress the .TAR files, please
    go to the Options Menu/Configuration Menu/Miscellaneous Tab and
    uncheck "TAR file smart CR/LF conversion", otherwise the files will
    not be readable by CALMET.
  
  
  
• 1-degree USGS DEM for the U.S.  (~90 m, 3 arc-sec)
  
         List 1-degree USGS DEM data alphabetically.
            (via links to the USGS Web Site)