• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-09-01T00:00:00.000+00:00

Gridded side-scan imagery collected in Apra Harbor, Guam U.S. Territory, USA. The GeoTIFF and Arc ASCII file includes data that were collected using a Klein 3000 high-resolution side-scan sonar...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-09-01T00:00:00.000+00:00

Gridded bathymetry from Apra Harbor, Guam U.S. Territory. The netCDF and Arc ASCII grids include multibeam bathymetry from the Reson SeaBat 8125 multibeam sonar collected in 2008 by the NOAA...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-09-01T00:00:00.000+00:00

Slope is derived from gridded (1 m cell size) multibeam bathymetry, collected aboard the Survey Vessel Swamp Fox. Cell values reflect the maximum rate of change (in degrees) in elevation between...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-09-01T00:00:00.000+00:00

Rugosity is derived from gridded (1 m cell size) multibeam bathymetry, collected aboard the Survey Vessel Swamp Fox using the Terrain Modeler with rugosity methods by Jeff Jenness (2003). Cell...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-11-22T00:00:00.000+00:00

Preliminary hard and soft seafloor substrate map classified from sidescan data and bathymetric derivatives at Apra Harbor, Guam U.S. Territory. The dataset was created using Bathymetric Position...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-05-31T00:00:00.000+00:00

This data package contains georeferenced underwater photomosaics for more than 600 sites in 0 to 50 meter depths around the islands of Guam and Saipan. The photographs used to create these...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-05-22T00:00:00.000+00:00

This data package contains information and maps showing the geology and biology of select submerged lands (0 to 50 meters deep) around Navy Base Guam (NBG) and Haputo Ecological Reserve Area (ERA)...

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• +14 more