• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-04-28T00:00:00.000+00:00

Gridded bathymetry of the banktop and slope environments of Ofu and Olosega Islands of the Manu'a Island group, American Samoa. This survey provides almost complete coverage between 20 and 250...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-04-28T00:00:00.000+00:00

Gridded bathymetry of the banktop and slope environments of Ofu and Olosega Islands of the Manu'a Island group, American Samoa. This survey provides almost complete coverage between 20 and 300...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-04-28T00:00:00.000+00:00

Rugosity is derived from gridded (5 m cell size) multibeam bathymetry, collected aboard R/V AHI, and bathymetry derived from multispectral IKONOS satellite imagery using the Benthic Terrain...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2004-11-30T00:00:00.000+00:00

Gridded bathymetry of the submarine volcanos between Olosega and Ta'u Islands of the Manu'a Island group, American Samoa This survey provides almost complete coverage between 20 and 350 meters....

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2005-08-01T00:00:00.000+00:00

Backscatter extracted from gridded bathymetry of the banktops and slope of Ofu and Olosega Islands of the Manu'a Island group, American Samoa. This survey provides almost complete coverage between...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-04-28T00:00:00.000+00:00

Slope is derived from gridded (5 m cell size) multibeam bathymetry, collected aboard R/V AHI, and bathymetry derived from multispectral IKONOS satellite imagery. Cell values reflect the maximum...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-04-28T00:00:00.000+00:00

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, collected aboard R/V AHI, merged with seafloor depths...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-04-28T00:00:00.000+00:00

BPI Structures are derived from two scales of a focal mean analysis on bathymetry and slope. The grid is based on gridded (5 m cell size) multibeam bathymetry, collected aboard R/V AHI merged with...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2006-09-07T00:00:00.000+00:00

EM300 and EM3002D multibeam Data were collected in 10-13 Feb. and 18 Feb-13 Mar 2006 aboard NOAA Ship Hi'ialakai in American Samoa at Swains Island, Tutuila, the Manu'a Group, Muli Seamount (also...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2026-01-26T00:00:00.000+00:00

This dataset includes data from surveys of coral communities in the American Samoa Archipelago covering the island of Tutuila and the Manu'a Group of islands (Ofu, Olosega, and Tau) in 1995, 1998,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-06-14T00:00:00.000+00:00

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, collected aboard R/V AHI, merged with seafloor depths...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2007-05-01T00:00:00.000+00:00

Multibeam backscatter imagery extracted from gridded bathymetry of Ofu, Olosega, and Ta'u Islands of the Manua Island Group, American Samoa, South Pacific. These data provide coverage between 0...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-06-14T00:00:00.000+00:00

Gridded bathymetry of the banktop and slope environments of Ta'u Island of the Manu'a Island group, American Samoa. This survey provides almost complete coverage between 20 and 350 meters. The...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-06-14T00:00:00.000+00:00

Gridded bathymetry of the banktop and slope environments of Ta'u Island of the Manu'a Island group, American Samoa. This survey provides almost complete coverage between 20 and 350 meters. The...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-01-25T00:00:00.000+00:00

Hard and soft seafloor substrate map, derived from integrating two existing map products: hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2006-09-07T00:00:00.000+00:00

Abstract Reson 8101ER multibeam Data were collected from 30 January and March 12, 2004, aboard NOAA Survey Launch Acoustic Habitat Investigator (AHI) at Tutuila, Ofu, Olosega, and Ta'u Islands in...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2012-12-15T00:00:00.000+00:00

This map displays optical validation observation locations and percent coverage of scleractinian coral overlaid on bathymetry.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2002-08-07T00:00:00.000+00:00

IKONOS imagery was purchased to support the Pacific Islands Geographic Information System (GIS) project and the National Ocean Service's (NOS) coral mapping activities. One-meter panchromatic and...

• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2006-02-13T00:00:00.000+00:00

Belt transects along 2 consecutively-placed, 25m transect lines were surveyed as part of Rapid Ecological Assessments conducted at 8 sites at Ofu and Olosega Islands in American Samoa in February,...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-03-01T00:00:00.000+00:00

Towed-diver surveys (aka. Towboard surveys) are conducted by the Coral Reef Ecosystem Division (CRED) of the NOAA Pacific Islands Fisheries Science Center (PIFSC) as part of biennial Pacific Reef...