Bathymetric Position Index (BPI) Zones, 40m - Swains, American Samoa
Bathymetric position index (BPI) zones are derived from gridded (40 m cell size) multibeam bathymetry, collected aboard R/V AHI and NOAA ship Hi'ialakai, and it was created using the Benthic Terrain Modeler. Cell values represent one of 4 classes (crest, depression, slope, flat) in an index of seafloor terrains. This …