Water Body Masks


ASTWBD--ASTER water body mask (GeoTIFF)

MERIT 2 water masks, based on Landsat and OSM (GeoTIFF)

SRTM water mask (vector shapefiles, polygons)

Global Shoreline Vector (GSV) (vector shapefiles, polygons)


Coastlines it might be possible to use these, which are mostly lines, and they might close for islands.  For the continental coastlines these might be a challenge.

Last revision 9/17/2021