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Vertical Land Motion - Tutuila and Aunuu, American Samoa
Land subsidence rates across Tutuila and Aunuu are drawn from recent work by Huang et al. (2022) showing that the average rate of subsidence on these islands is spatially... -
USGS 10-m Digital Elevation Model (DEM): American Samoa: Tutuila: Hillshade
A 10-meter resolution land surface digital elevation model (DEM) grayscale hillshade for the island of Tutuila in American Samoa derived from United States Geological Survey... -
Seafloor Rugosity, 5m - Tutuila, American Samoa
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 rugosity methods... -
USGS 10-m Digital Elevation Model (DEM): American Samoa: Tutuila
A 10-meter resolution land surface digital elevation model (DEM) for the island of Tutuila in American Samoa from U.S. Geological Survey (USGS) 1/3 arc-second DEM quadrangles.... -
Elevation Contours, 50m - Tutuila, American Samoa
50m elevation contours of Tutuila, American Samoa -
Elevation Contours, 20m - Tutuila, American Samoa
20m elevation contours of Tutuila, American Samoa -
Elevation Contours, 10m - Tutuila, American Samoa
10m elevation contours of Tutuila, American Samoa -
Bathymetric Position Index (BPI) Zones, 5m - Tutuila, American Samoa
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 bathymetry,... -
Bathymetric Position Index (BPI) Structures, 5m - Tutuila, American Samoa
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 cell size)... -
Hard-Soft Seafloor Classification, 5m (Reson) - Tutuila, American Samoa
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tutuila Island, American... -
NOAA Shallow-Water Benthic Habitats: American Samoa: Tutuila
Benthic habitat maps for the nearshore, shallow (< 30 m) coastal waters of the island of Tutuila in American Samoa. NOAA's National Centers for Coastal Ocean Science (NCCOS)... -
Seafloor Slope, 5m - Tutuila, American Samoa
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 (in... -
Hard-Soft Seafloor Classification, 5m (Simrad) - Tutuila, American Samoa
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tutuila Island, American...