Benthic Habitat Data

Bathymetry

Zipped data files contain 1) grid data file (GMT or ASCII), 2) high-res JPG of image, and 3) explanatory metadata text file (identical to linked file listed below).

20m grid data
5m grid data

Not yet available

Not yet available

American Samoa: Northeast Bank

[ Bathymetry | Backscatter | Optical Validation | Geomorphology ]

Backscatter Gridded Data

Northeast Bank Composite Backscatter Imagery

Northeast Bank composite image.

Download above image as a high-res JPG or high-res PDF

Northeast Bank Color Composite Backscatter Imagery

Northeast Bank composite image.

Northeast Bank backscatter composite image legend.

Download above image as a high-res JPG or high-res PDF

Zipped data files contain 1) grid data file (NetCDF/GMT or GeoTIFF), 2) high-res JPG of image, and 3) explanatory metadata text file (identical to linked file listed below). Study area grids are named for the island location, the type of sensor used for data acquisition, the chart box number, and the grid resolution in meters.

Hi‘ialakai Simrad EM300 30 kHz Backscatter Imagery

Northeast Bank Hiialakai Simrad EM300 30 kHz Backscatter Imagery.

Download above image as a high-res JPG or high-res PDF

The data for the above map are available as one grid, numbered 25-01. Use the pulldown menus to download the data set of your choice.

EM300 5 meter grid: NetCDF grid metadata text | GeoTIFF metadata text

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Hi‘ialakai Simrad EM3002d 300 kHz Backscatter Imagery

Northeast Bank Hiialakai Simrad EM3002d 300 kHz Backscatter Imagery.

Download above image as a high-res JPG or high-res PDF

The data for the above map are available as one grid, numbered 8-01. Use the pulldown menus to download the data set of your choice.

EM3002d 1 meter grid: NetCDF grid metadata text | GeoTIFF metadata text

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