CRED Fagatele Bay National Marine Sanctuary Bathymetric Position Index Habitat Structures 2004
Bathymetric Position Index (BPI) Structures are derived from derivatives of Simrad EM-3000 multibeam bathymetry (1 m and 3 m resolution). BPI structures are surficial characteristics of the seafloor based on a bathymetric position index value range at a combined fine scale and broad scale, slope values and depth. …