Rugosity grid derived from gridded bathymetry of
Ta'u Island of the Manu'a Island group, American Samoa
Rugosity is derived from gridded (5 m cell size)
multibeam bathymetry, collected aboard R/V AHI, and bathymetry
derived from multispectral IKONOS satellite imagery using the
Benthic Terrain Modeler with rugosity methods by Jeff Jenness (2003).
Cell values...