Downloadable DataPreliminary hard and soft bottom seafloor substrate map derived from gridded sidescan and bathymetry derivatives at Apra Harbor, Guam U.S. Territory.
Metadata Thumbnail Preliminary hard and soft seafloor substrate map classified from sidescan data and bathymetric derivatives at Apra Harbor, Guam U.S. Territory. The dataset was created using Bathymetric Position Index (bpi) zones derived from Reson SeaBat 8125 multibeam d...
Downloadable DataRugosity grid derived from gridded bathymetry of Apra Harbor, Guam U.S. Territory
Metadata Thumbnail Rugosity is derived from gridded (1 m cell size) multibeam bathymetry, collected aboard the Survey Vessel Swamp Fox using the Terrain Modeler with rugosity methods by Jeff Jenness (2003). Cell values reflect the surface area/planimetric area ratio for the...
Downloadable DataSlope grid derived from gridded bathymetry of Apra Harbor, Guam U.S. Territory
Metadata Thumbnail Slope is derived from gridded (1 m cell size) multibeam bathymetry, collected aboard the Survey Vessel Swamp Fox. Cell values reflect the maximum rate of change (in degrees) in elevation between neighboring cells derived with the ArcGIS Spatial Analyst ex...