Catalog - Data.gov

Found 119 datasets matching "Olosega Island".

Federal
Rugosity grid derived from gridded bathymetry Ofu and Olosega Islands of the Manu'a Island group, American Samoa
- 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...
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Search relevance: 128.82 | Views last month: 0
Federal
Gridded bathymetry of the banktop and slope environments of Ofu and Olosega Islands of the Manu'a Island group, American Samoa (NetCDF Format)
- 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...
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Search relevance: 128.48 | Views last month: 0
Federal
Gridded bathymetry of the banktop and slope environments of Ofu and Olosega Islands of the Manu'a Island group, American Samoa (Arc ASCII Format)
- 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...
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Search relevance: 128.42 | Views last month: 0
Federal
Integrated hard and soft bottom seafloor substrate map of Ofu-Olosega, American Samoa, combining NOAA Pacific Island Fisheries Science Center Coral Reef Ecosystem Division hard-soft substrate map with NOAA Center for Coastal Monitoring and Assessment Biogeography Program shallow-water benthic habitat map of American Samoa.
- 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...
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Search relevance: 95.56 | Views last month: 0
Federal
Slope grid derived from gridded bathymetry of Ofu and Olosega Islands, Territory of American Samoa, USA
- 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...
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Search relevance: 75.51 | Views last month: 0
Federal
Bathymetric Position Index (BPI) Structures 5 m grid derived from gridded bathymetry of Ofu and Olosega Islands, Territory of American Samoa, USA.
- 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...
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Search relevance: 71.72 | Views last month: 0
Federal
Bathymetric Position Index (BPI) Zones 5 m grid derived from gridded bathymetry of Ofu and Olosega Islands, Territory of American Samoa, USA.
- 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...
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Search relevance: 69.31 | Views last month: 0
Federal
Seafloor substrate (hard and soft bottom) maps at select islands and atolls in American Samoa, the Mariana Archipelago, and the Pacific Remote Island Areas
- 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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Search relevance: 54.48 | Views last month: 0
Federal
Bathymetric Position Index (BPI) Zones 5 m grid derived from gridded bathymetry of Tau Island, Territory of American Samoa, USA.
- 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...
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Search relevance: 42.62 | Views last month: 0
Federal
Projected flood extent polygons and flood depth points based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for American Samoa (the islands of Tutuila, Ofu-Olosega, and Tau)
- Organization: Department of the Interior
- Updated: 20211013
This part of the data release presents projected flooding extent polygon (flood masks) and flooding depth points (flood points) shapefiles based on wave-driven total water levels for American...
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Search relevance: 40.13 | Views last month: 0
Federal
Benthic data for corals, macroalgae, invertebrates, and non-living bottom types from Fagatele Bay, Pago Pago, and Fagasa, American Samoa, 2004-2008 (NCEI Accession 0066319)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-08-09T00:00:00.000+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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Search relevance: 37.99 | Views last month: 0
Federal
2012 NOAA American Samoa Lidar DEM: Islands of Tutuila, Aunu'u, Ofu, Olosega, Ta'u and Rose Atoll
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-06-01T00:00:00.000+00:00
Light Detection and Ranging (LiDAR) data is remotely sensed high-resolution elevation data collected by an airborne collection platform. This LiDAR dataset is a survey of American Samoa including...
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Search relevance: 35.51 | Views last month: 0
Federal
Benthic data for corals, macroalgae, invertebrates, and non-living bottom types from Fagatele Bay National Marine Sanctuary, South Pacific Ocean, 2007-04-02 to 2008-12-31 (NCEI Accession 0068364)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-11-05T00:00:00.000+00:00
Benthic transects were repeated at 12 sites around Tutuila at various depths on the reef slopes and flats. Benthic coverage categories include coral species, invertebrates, and non-living...
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Search relevance: 33.67 | Views last month: 0
Federal
2012 NOAA American Samoa Lidar: Islands of Tutuila, Aunu'u, Ofu, Olosega, Ta'u and Rose Atoll
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-06-01T00:00:00.000+00:00
Light Detection and Ranging (LiDAR) data is remotely sensed high-resolution elevation data collected by an airborne collection platform. This LiDAR dataset is a survey of American Samoa including...
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Search relevance: 32.60 | Views last month: 0
Federal
Status of coral communities in American Samoa: a re-survey of long-term monitoring sites in 2002 (NCEI Accession 0001470)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-01-03T00:00:00.000+00:00
A re-survey of coral communities in the American Samoa Archipelago covering the island of Tutuila and the Manu'a Group of islands (Ofu, Olosega, and Tau), was carried out during March 2002. All...
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Search relevance: 28.78 | Views last month: 0
Federal
Mosaic of gridded multibeam bathymetry and bathymetry derived from multispectral IKONOS satellite imagery of Ofu and Olosega Islands, Territory of American Samoa, USA
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2008-12-03T00:00:00.000+00:00
Gridded multibeam bathymetry is integrated with bathymetry derived from multipectral IKONOS satellite data. Gridded (5 m cell size) multibeam bathymetry collected aboard NOAA Ship Hiialaka'i and...
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Search relevance: 27.81 | Views last month: 0
Federal
Preliminary hard and soft bottom seafloor substrate map derived from an unsupervised classification of gridded backscatter and bathymetry derivatives at Ofu and Olosega Islands, Territory of American Samoa, USA.
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-10-13T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Ofu and Olosega Islands, Territory of American...
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Search relevance: 26.57 | Views last month: 0
Federal
Vectorized Shoreline of Manua Islands, American Samoa 2001, Derived from IKONOS Imagery,
- 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...
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Search relevance: 26.29 | Views last month: 0
Federal
CRED Towed-Diver Fish Biomass Survey at Ofu & Olosega, American Samoa in 2010
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-12-20T00:00:00.000+00:00
To support NOAA Coral Reef Conservation Program (CRCP) long-term goals for sustainable management and conservation of coral reef ecosystems, towed-diver surveys (AKA towboard surveys) are...

Search relevance: 25.87 | Views last month: 0
Federal
CRED Cumulative Map of Percent Scleractinian Coral Cover at Ofu & Olosega
- 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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Search relevance: 25.12 | Views last month: 0

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