Publicly available Digital Elevation Models (DEM) derived from various space-based platforms (Satellite/Space Shuttle Endeavour) have had a tremendous impact on the quantification of landscape characteristics, and related processes products. The accuracy elevation data six major public domain satellite-derived (a 30 m grid size—ASTER GDEM version 3 (Ast30), SRTM (Srt30), CartoDEM V3R1 (Crt30)—a...