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Found 28 datasets matching "EARTH SCIENCE > Oceans > Bathymetry/Seafloor Topography > Hard Seafloor Substrate".

Federal
Hard-Soft Seafloor Classification, 40m - Swains, American Samoa
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-01-25T00:00:00.000+00:00
Preliminary hard and soft seafloor substrate map derived from an unsupervised classification of multibeam backscatter and bathymetry derivatives at Swains Island, American Samoa. The dataset was...
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Search relevance: 84.24 | Views last month: 0
Federal
Hard-Soft Seafloor Classification, 5m (Simrad) - Tutuila, American Samoa
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-01-25T00:00:00.000+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: 83.28 | Views last month: 1
Federal
Hard-Soft Seafloor Classification, 5m (Reson) - Tutuila, American Samoa
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-01-25T00:00:00.000+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: 83.28 | Views last month: 1
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: 79.16 | 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: 77.80 | 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: 77.80 | 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: 77.80 | 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: 71.23 | Views last month: 0
Federal
Hard and Soft Bottom Seafloor Substrate Map Derived from an Unsupervised Classification of Gridded Bathymetry Derivatives for the NOAA Habitat Blueprint West Hawaii Focus Area
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-01-01T00:00:00.000+00:00
Hard and soft bottom seafloor substrate data and maps for the NOAA Habitat Blueprint West Hawaii Focus Area (WHFA) in the Main Hawaiian Islands. Cell values in the raster datasets reflect whether...
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Search relevance: 51.95 | Views last month: 0
Federal
Nearshore Benthic Habitats of Timor-Leste Derived from WorldView-2 Satellite Imagery
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-01-01T00:00:00.000+00:00
Benthic habitat classes were derived for nearshore waters (< 20 m depths) around Timor-Leste from DigitalGlobe WorldView-2 satellite imagery, acquired from February 9, 2010 to December 14, 2013,...
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Search relevance: 51.43 | Views last month: 1
Federal
NCCOS Assessment: Benthic habitat maps of Saipan Lagoon, Commonwealth of the Northern Mariana Islands (NCEI Accession 0162517)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-05-19T00:00:00.000+00:00
Highly detailed maps of benthic habitats within the lagoon along the western shore of Saipan were created by NOAA NCCOS. This data collection includes the information used to create these detailed...
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Search relevance: 51.04 | 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: 49.74 | Views last month: 0
Federal
Nearshore benthic habitats of Timor-Leste derived from WorldView-2 satellite imagery from 2010-02-09 to 2013-12-14 (NCEI Accession 0168914)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-12-23T00:00:00.000+00:00
Benthic habitat classes were derived for nearshore waters (< 20 m depths) around Timor-Leste from DigitalGlobe WorldView-2 satellite imagery, acquired from Jan 26 2010 to Aug 10, 2014, by the NOAA...
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Search relevance: 49.46 | Views last month: 0
Federal
NCCOS Mapping: Characterizing Submerged Lands Around Naval Base Guam, Mariana Islands, 2016-01-11 to 2022-05-13 (NCEI Accession 0292018)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-05-22T00:00:00.000+00:00
This data package contains information and maps showing the geology and biology of select submerged lands (0 to 50 meters deep) around Navy Base Guam (NBG) and Haputo Ecological Reserve Area (ERA)...
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Search relevance: 47.37 | Views last month: 0
Federal
NCCOS Mapping: Characterizing Benthic Habitats West of Saipan, Commonwealth of the Northern Mariana Islands (CNMI), 2018-11-05 to 2022-04-29 (NCEI Accession 0291792)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-05-20T00:00:00.000+00:00
This data package contains information and maps showing the geology and biology of select submerged lands (0 to 40 meters deep) offshore of western Saipan, Commonwealth of the Northern Mariana...
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Search relevance: 47.13 | Views last month: 0
Federal
NCCOS Mapping: Characterizing Benthic Habitats West of Saipan, Commonwealth of the Northern Mariana Islands (CNMI), 2018-11-05 to 2022-04-29 (NCEI Accession 0291792)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-05-20T00:00:00.000+00:00
This data package contains information and maps showing the geology and biology of select submerged lands (0 to 40 meters deep) offshore of western Saipan, Commonwealth of the Northern Mariana...
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- +15 more
Search relevance: 46.96 | Views last month: 0
Federal
NCCOS Assessment: Benthic Habitat Map for the Insular Shelf South of St. Thomas and St. John, U.S. Virgin Islands (NCEI Accession 0170098)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-01-24T00:00:00.000+00:00
The dataset describes the spatial distribution of benthic habitats on the insular shelf south of St. Thomas and St. John, U.S. Virgin Islands. These benthic habitats include: (1) Coral Reef...
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Search relevance: 44.02 | Views last month: 0
Federal
Seafloor substrate (hard and soft bottom) maps derived from satellite imagery for the islands and atolls of the Pacific Remote Island Areas
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-01-01T00:00:00.000+00:00
Seafloor substrate (i.e., hard vs. soft bottom) from 0 to up to 30 m depths around islands/atolls in Pacific Remote Island Areas produced by the NOAA Ecosystem Sciences Division (ESD). The...
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Search relevance: 43.18 | Views last month: 0
Federal
Structure from motion images collected during marine debris surveys at coral reef sites entangled with derelict fishing nets at Pearl and Hermes Atoll in the Northwestern Hawaiian Islands in 2018 and 2021
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-05-05T00:00:00.000+00:00
The photographs described in this dataset were collected using a Structure from Motion (SfM) approach during in-water marine debris swim surveys conducted by snorkelers in search of derelict...
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Search relevance: 38.40 | Views last month: 0
Federal
Benthic cover derived from structure from motion images collected during marine debris surveys at coral reef sites entangled with derelict fishing nets at Pearl and Hermes Atoll in the Northwestern Hawaiian Islands from missions in 2018 and 2021
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-04-20T00:00:00.000+00:00
The benthic cover and fishing-net related data described in this dataset are derived from the GIS analysis of benthic orthophotos. The source imagery was collected by snorkelers using a Structure...
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Search relevance: 36.83 | Views last month: 0

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