• 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 Tutuila, American Samoa, South Pacific These data provide coverage between 20 and 5000 meters. The backscatter dataset includes...

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• 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 Tutuila, American Samoa, South Pacific These data provide coverage between 20 and 5000 meters. The backscatter dataset includes...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2006-09-30T00:00:00.000+00:00

Gridded (5 m cell size) bathymetry of the shelf and slope environments of Tutuila Island, American Samoa, South Pacific. Almost complete bottom coverage was achieved in depths between 2 and 3409...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2007-01-15T00:00:00.000+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 NOAA Ship Hi'ialakai and R/V AHI, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2003-12-01T00:00:00.000+00:00

The biological communities at ten sites around the Island of Tutuila, American Samoa were surveyed in October 2002 by a team of four investigators. Diving observations and collections of benthic...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2007-01-15T00:00:00.000+00:00

Rugosity is derived from gridded (5 m cell size) multibeam bathymetry, collected aboard NOAA Ship Hiialaka'i and R/V AHI, using the Benthic Terrain Modeler with rugosity methods by Jeff Jenness...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2007-01-15T00:00:00.000+00:00

Slope is derived from gridded (5 m cell size) multibeam bathymetry, collected aboard NOAA Ship Hiialaka'i and R/V AHI, Cell values reflect the maximum rate of change (in degrees) in elevation...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-12-15T00:00:00.000+00:00

This study demonstrates the important role that long term monitoring programs can play in understanding the natural variability and long term trends in the coral reefs of American Samoa. One...

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• 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 23 sites around Tutuila Island in American Samoa from 18-25...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2007-01-15T00:00:00.000+00:00

BPI Structures are derived from two scales of a focal mean analysis on bathymetry; slope; and depth. The grid is based on gridded (5 m cell size) multibeam bathymetry, collected aboard NOAA Ship...

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• 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 23 sites around Tutuila Island in...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-01-15T00:00:00.000+00:00

Ocean Acidification (OA) is expected to reduce the calcification rates of marine organisms, yet we have little understanding of how OA will manifest within dynamic, real-world systems, nor how to...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-01-06T00:00:00.000+00:00

In 2004, the Environmental Protection Agency (EPA) Environmental Monitoring and Assessment Program (EMAP) National Coastal Assessment (NCA), coordinated through the Gulf Ecology Division,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-01-06T00:00:00.000+00:00

Fish surveys were conducted in November 2007 using visual census techniques at Fagatele Bay under the guidance of Dr. Alison Green, the Nature Conservancy. This data set was collected at Transect...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-12-03T01:00:28.000+00:00

These data are depth contours (isobaths) derived at 50 meters for most islands and reefs in the Mariana Archipelago, American Samoa, and the Pacific Remote Island Areas. Contours at 10- or...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-01-06T00:00:00.000+00:00

This data set was derived from surveys in Fagatele Bay National Marine Sanctuary, Pago Pago (Rainmaker and Aua), and Fagasa (Sita Bay and Cape Larsen) conducted in 2004 and 2007-2008. Parameters...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-06-20T00:00:00.000+00:00

The coral demographic data described here result from belt transect surveys conducted by the Pacific Islands Fisheries Science Center (PIFSC), Ecosystem Sciences Division (ESD)---formerly the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2012-02-28T00:00:00.000+00:00

To support a long-term NOAA Coral Reef Conservation Program (CRCP) for sustainable management and conservation of coral reef ecosystems, from 17-28 February, line point intercept (LPI) surveys of...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-01-01T00:00:00.000+00:00

Multibeam data were collected using a Simrad EM300 30-kHz sonar aboard NOAA Ship Hi'ialakai, a 68-m (218') NOAA research vessel, from January 26 to April 22, 2015 during cruise HA-15-01. Multibeam...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-06-04T00:00:00.000+00:00

The data described here result from coral reef assessments of reef slopes (10m depth) at permanent sites around Tutuila, American Samoa as part of the ongoing American Samoa Coral Reef Monitoring...

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