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SRTM Water Bodies (North West, one of six data sets) represents the lakes, rivers, and ocean areas within the SRTM coverage area (between 60 degrees North and 56 degrees South latitude) of the world. All SRTM elevation values within lakes and ocean areas were set to be a constant elevation for that feature. Elevation values within river areas were set to insure the proper flow direction. The primary source for these water features was a Landsat 5-based landcover water layer supplemented with medium-scale maps and charts. |