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Federal
Bathymetric Position Index (BPI) Zones, 40m - Swains, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
Seafloor Slope, 40m - Swains, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Slope is derived from gridded (40 m cell size) multibeam bathymetry, collected aboard R/V AHI, and NOAA ship Hi'ialakai. Cell values reflect the maximum rate of... -
Federal
Hard-Soft Seafloor Classification, 40m - Swains, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymetry derivatives at Swains Island,... -
Federal
Hard-Soft Seafloor Classification, 5m (Reson) - Tutuila, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tutuila Island,... -
Federal
Bathymetric Position Index (BPI) Zones, 5m - Tutuila, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetric position index (BPI) zones are derived from a focal mean analysis on bathymetry and slope. The grid is based on gridded (5 m cell size) multibeam... -
Federal
Seafloor Rugosity, 40m - Swains, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Rugosity is derived from gridded (40 m cell size) multibeam bathymetry, collected aboard R/V AHI and NOAA ship Hi'ialakai. Cell values reflect the (surface area) /... -
Federal
Seafloor Rugosity, 5m - Tutuila, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Rugosity is derived from gridded (5 m cell size) multibeam bathymetry, collected aboard NOAA Ship Hiialaka'i and R/V AHI, using the Benthic Terrain Modeler with... -
Federal
Bathymetric Position Index (BPI) Structures, 5m - Tutuila, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetric position index (BPI) structures are derived from two scales of a focal mean analysis on bathymetry; slope; and depth. The grid is based on gridded (5 m... -
Federal
Seafloor Slope, 5m - Tutuila, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Slope is derived from gridded (5 m cell size) multibeam bathymetry, collected aboard NOAA Ship Hiialaka'i and R/V AHI, Cell values reflect the maximum rate of change... -
Federal
Hard-Soft Seafloor Classification, 5m (Simrad) - Tutuila, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tutuila Island,... -
Federal
Bathymetric Position Index (BPI) Structures, 40m - Swains, American Samoa recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetric position index (BPI) structures are derived from gridded (40 m cell size) multibeam bathymetry, collected aboard R/V AHI and NOAA ship Hi'ialakai, and it...