Catalog - Data.gov

Found 760 datasets matching "seafloor backscatter".

Federal
Seafloor Backscatter Image of South of Santa Rosa Island, Channel Islands National Marine Sanctuary (8m resolution tif)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-01-01T00:00:00.000+00:00
This image represents an 8 meter resolution backscatter of the seafloor south of Santa Rosa Island in Channel Islands National Marine Sanctuary. It was acquired using the ME70 multibeam sonar...
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Search relevance: 140.18 | Views last month: 0
Federal
Seafloor Backscatter Image of North of Santa Rosa Island, Channel Islands National Marine Sanctuary (8m resolution tif)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-01-01T00:00:00.000+00:00
This image represents an 8 meter resolution backscatter of the seafloor south of Santa Rosa Island in Channel Islands National Marine Sanctuary. It was acquired using the ME70 multibeam sonar...
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Search relevance: 139.27 | 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 French Frigate Shoals, Northwest Hawaiian Islands, USA
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2009-09-01T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at French Frigate Shoals, Northwestern Hawaiian...
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Search relevance: 135.51 | 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 Tutuila Island, American Samoa, South Pacific.
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2008-06-02T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tutuila Island, American Samoa, South Pacific....
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Search relevance: 134.31 | 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 Saipan Island, Commonwealth of the Northern Mariana Islands (CNMI).
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2008-10-10T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Saipan Island, Commonwealth of the Northern...
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Search relevance: 133.02 | 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 Pagan Island, Commonwealth of the Northern Mariana Islands (CNMI).
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2008-10-10T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Pagan Island, Commonwealth of the Northern...
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Search relevance: 131.77 | 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 Tinian Island, Commonwealth of the Northern Mariana Islands (CNMI).
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2008-10-10T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at Tinian Islands and Tatsumi Bank, CNMI. The...
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Search relevance: 130.76 | Views last month: 0
Federal
Bathymetry and seafloor acoustic backscatter of mobile subaqueous sand dunes in the lower Columbia River, Washington and Oregon, 2021
- Organization: Department of the Interior
- Updated: 2023-08-08T00:00:00Z
Bathymetry and seafloor acoustic backscatter data were collected at four sites (SKM, SLG, LDB, WLW) using a SWATHPlus interferometric sonar (234 kHz) pole mounted to the R/V Parke Snavely during a...
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Search relevance: 121.47 | Views last month: 0
Federal
Bathymetry and acoustic backscatter data collected in Long Island Sound for the Phase III Long Island Sound Seafloor Mapping Project 2015 (NCEI Accession 0167532)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-11-15T00:00:00.000+00:00
This dataset contains multibeam bathymetry, uncertainty, and backscatter GeoTIFFs with 1x1 meter cell size represent water depth and acoustic intensity of the seafloor from the Phase III Long...
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Search relevance: 118.08 | Views last month: 0
Federal
CRED Preliminary hard and soft bottom seafloor substrate map derived from an unsupervised classification of gridded backscatter and bathymetry derivatives at the U.S. Territory of Guam.
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2008-10-10T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives at the U.S. Territory of Guam. The dataset was...
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Search relevance: 117.20 | Views last month: 0
Federal
Preliminary hard and soft bottom seafloor substrate map derived from an unsupervised classification of gridded backscatter and bathymetry derivatives of Ni'ihau Island, Hawaii, USA.
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-04-04T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymety derivatives of Ni'ihau Island, Hawaii, USA . The dataset was...
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Search relevance: 116.74 | 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 Tau Island, 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 Ta'u Island, Territory of American Samoa, USA ....
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Search relevance: 113.35 | 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: 113.20 | Views last month: 0
Federal
Bathymetry, acoustic backscatter, and LiDAR data collected in Long Island Sound for the Phase II Long Island Sound Seafloor Mapping Project (NCEI Accession 0167531)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-03-23T00:00:00.000+00:00
This dataset contains multibeam bathymetry, backscatter, and LiDAR bathymetry and reflectance. These GeoTIFFs represent water depth and acoustic intensity of the seafloor from Phase II of the Long...
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Search relevance: 112.20 | Views last month: 0
Federal
NOAA TIFF Image - 1m Backscatter Mosaic, Puerto Rico 2012-2013, Northeast Reserve, Seafloor Characterization of the US Caribbean - Nancy Foster - NF-13-2 USVI, UTM 20N NAD83
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-04-01T00:00:00.000+00:00
This image represents a 1 meter resolution backscatter mosaic of the bathymetry of a reef shelf/bank and the steep slopes and canyons of the NE Reserve, offshore of Fajardo, Puerto Rico. NOAA's...

Search relevance: 112.10 | Views last month: 0
Federal
NOAA TIFF Image - 4m Backscatter Mosaic , W00216 USVI 2011 , Seafloor Characterization of the US Caribbean - Nancy Foster - NF-11-1 (2011), UTM 20N NAD83
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-11-01T00:00:00.000+00:00
This image represents a 4 meter resolution backscatter mosaic of of a sharply sloping swath of the St. John Shelf, south of St. John, US Virgin Islands. NOAA's NOS/NCCOS/CCMA Biogeography Team, in...
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Search relevance: 111.92 | Views last month: 0
Federal
NOAA TIFF Image - 2m Backscatter Mosaic, W00216 USVI 2011, Seafloor Characterization of the US Caribbean - Nancy Foster - NF-11-1 (2011), UTM 20N NAD83
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-11-01T00:00:00.000+00:00
This image represents a 2 meter resolution backscatter mosaic of the bathymetry of a sharply sloping swath of the St. John Shelf, St. John, USVI. NOAA's NOS/NCCOS/CCMA Biogeography Team, in...
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Search relevance: 111.92 | Views last month: 0
Federal
NOAA TIFF Image - 2m Backscatter Mosaic, W00217 USVI 2011, Seafloor Characterization of the US Caribbean - Nancy Foster - NF-11-1 (2011), UTM 20N NAD83
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-11-01T00:00:00.000+00:00
This image represents a 2 meter resolution backscatter mosaic of a broad bank south of St. Thomas, US Virgin Islands. NOAA's NOS/NCCOS/CCMA Biogeography Team, in collaboration with NOAA vessel...
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Search relevance: 110.97 | Views last month: 0
Federal
Integrated hard and soft bottom seafloor substrate map derived from an unsupervised classification of gridded backscatter, World-View 2 imagery and bathymetry derivatives of Ni'ihau Island, Hawaii, USA.
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-10-22T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter, bathymety derivatives, and bathymetry derived from multispectral World View-2...
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Search relevance: 109.82 | Views last month: 0
Federal
Hard and Soft Bottom Seafloor Substrate Maps Derived from an Unsupervised Classification of Gridded Backscatter at Select U.S. Locations in the Pacific
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-01-01T00:00:00.000+00:00
Substrate, Hard bottom vs. Soft bottom: This is a preliminary product. Cell values reflect whether the seafloor is hard bottom or soft bottom based on an unsupervised classification run using...
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Search relevance: 109.54 | Views last month: 0

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