![]() DEM-S represents ground surface topography (excluding vegetation features) and has been smoothed to reduce noise and improve the representation of surface shape. The Smoothed Digital Elevation Model (DEM-S) was derived from the SRTM data acquired by NASA in February 2000. DEM-S: Australian Smoothed Digital Elevation Model. ![]() The DEM-H captures flow paths based on SRTM elevations and mapped stream lines, and supports delineation of … The model has been hydrologically conditioned and drainage enforced. The Hydrologically Enforced Digital Elevation Model (DEM-H) was derived from the SRTM data acquired by NASA in February 2000.
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