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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 files
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Metadata text • Zipped data - Arc ASCII:
Metadata text • Zipped data
5m grid data files
- NetCDF/GMT:
Metadata text • Zipped data - Arc ASCII:
Metadata text • Zipped data
Backscatter Imagery
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Home > DATA SETS: Pacific Remote Island Area (PRIA) > Johnston Atoll
PRIA: Johnston Atoll
[ Bathymetry | Backscatter | Optical Validation | Geomorphology ]
Johnston Atoll includes 4 islands and a small lagoon and is located at 16°45′N 169°31′W in the Central Pacific, a
bout 885 km (478 nautical miles) south and slightly west of French Frigate Shoals (FFS) in the NWHI. It is a
National Wildlife Refuge under the USFWS and public access is by permit only; permits
are usually issued for scientists and educators. The atoll was discovered when the American brig Sally ran aground in 1796. The largest island was
named Johnston Island for the captain of the frigate HMS Cornwallis from which the island was sighted in 1807. More…
Bathymetry
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Click on the above thumbnail maps for bathymetry gridded at 20 meters and 5 meters | |
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Backscatter
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Comments or questions about this page go to pibhmc@soest.hawaii.edu. Last update Tue 13 Feb 2007.