elevation


GIS Data

Updated 3D Global Topo Data from NASA

Updated 3D Global Topo Data from NASA

Based on measurements from NASA’s Terra spacecraft, a new 3D topographic map has been released as a joint effort by NASA and Japan.  The digital elevation model (DEM) was developed from imagery obtained from the Japanese Advanced Spaceborne Thermal Emission and Reflection Radiometer, or ASTER, instrument aboard Terra.  ASTER is one of five […]