• 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

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: 2001-03-22T00:00:00.000+00:00

Belt transects along 2 consecutively-placed, 25m transect lines were surveyed as part of Rapid Ecological Assessments conducted at 10 sites around Ofu and Olosega Island in American Samoa from 28...

• 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: 2010-03-22T00:00:00.000+00:00

Point-count surveys at 50-cm intervals were conducted along 2 consecutively placed, 25m line transect lines, as part of Rapid Ecological Assessments conducted at 10 sites around Ofu and Olosega...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-03-20T00:00:00.000+00:00

Coral health and disease assessments were conducted along 2 consecutively placed 25-m transects, as part of Rapid Ecological Assessments conducted at 10 sites at Ofu-Olosega Island in the American...

• 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: 2012-03-19T00:00:00.000+00:00

To support a long-term NOAA Coral Reef Conservation Program (CRCP) for sustainable management and conservation of coral reef ecosystems, from 10, 11, 14, 19 March 2010, line point intercept (LPI)...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2012-03-19T00:00:00.000+00:00

To support a long-term NOAA Coral Reef Conservation Program (CRCP) for sustainable management and conservation of coral reef ecosystems, from 10-11, 14, 19 March 2010, belt transect surveys of...

• 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: 2006-02-13T00:00:00.000+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

Belt transects along 2 consecutively-placed, 25m transect lines were surveyed at 50-cm intervals as part of Rapid Ecological Assessments conducted at 22 sites at Ofu and Olosega Islands in...

• 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...

• none
• none

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

Optical validation data were collected using the Tethered Optical Assessment Device (TOAD), a sled equipped with underwater video camera, still camera and lights. Camera sled deployments were...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2006-11-01T00:00:00.000+00:00

Optical validation data were collected using a Tethered Optical Assessment Device (TOAD), an underwater sled equipped with an underwater digital video camera and lights. Data were collected in...

• none

• 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 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: 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: 2018-04-01T00:00:00.000+00:00

Seafloor substrate (i.e., hard vs. soft bottom) maps from 0 to up to 50 m depths around select islands and atolls in American Samoa, the Mariana Archipelago, and the Pacific Remote Island Areas...

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• +14 more

• 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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