(Author's Note 5/18/2020: The ASTER Global Digital Elevation Model (GDEM) Explorer tool (DEMEX) has since been retired.)
The Land Processes Distributed Active Archive Center (LP DAAC) announces the release of the ASTER Global Digital Elevation Model (GDEM) Explorer tool (DEMEX). This tool can be used to browse and download ASTER GDEM data based on geographic areas of interest or predefined regions, including state, province, and county (for the United States). Data output from DEMEX is available in GeoTIFF or ArcASCII format. DEMEX is the result of collaboration between the LP DAAC and George Mason University's Center for Spatial Information Science and Systems.
ASTER Global DEM (GDEM) data are subject to redistribution and citation policies. Users of DEMEX are required to have an ECHO/WIST account to download data. Contact LP DAAC User Services for additional information.