Catalog - Data.gov

Found 388 datasets matching "subtidal survey".

Federal
Hydrodynamic time-series data from two marshes and adjacent shallows in Northern San Francisco Bay, California, 2022-2023
- Organization: Department of the Interior
- Updated: 2024-08-06T00:00:00Z
Hydrodynamic and sediment transport time-series data, including water depth, velocity, turbidity, conductivity, and temperature, were collected by the U.S. Geological Survey (USGS) Pacific Coastal...
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Search relevance: 49.35 | Views last month: 0
Federal
Determination of baseline conditions for introduced marine species in nearshore waters of the island of Kaho'olawe, Hawaii in January 1998 (NCEI Accession 0000715)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-01-03T00:00:00.000+00:00
A survey of the marine macroalgae and invertebrates in the intertidal and subtidal zones was conducted at seven sites around Kaho'olawe Island from January 12 to 14, 1998. A total of 298 species...
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Search relevance: 44.80 | Views last month: 0
Federal
Determination of Baseline Conditions for Introduced Marine Species in Nearshore Waters of the Island of Kaho'olawe, Hawaii in January 1998 (NODC Accession 0000715)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1998-02-01T00:00:00.000+00:00
A survey of the marine macroalgae and invertebrates in the intertidal and subtidal zones was conducted at seven sites around Kaho'olawe Island from January 12 to 14, 1998. A total of 298 species...
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Search relevance: 44.33 | Views last month: 0
Federal
San Francisco Bay Multi-beam Backscatter Imagery: Area A
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-02-29T00:00:00.000+00:00
Backscatter imagery data were collected over shallow subtidal areas in the San Francisco Bay estuary system. Bathymetric and acoustic backscatter data were collected simultaneously in 84 survey...
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Search relevance: 43.77 | Views last month: 0
Federal
San Francisco Bay Interferometric Bathymetry: Area B
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-01-01T00:00:00.000+00:00
High resolution sonar data were collected over ultra-shallow areas of the San Francisco Bay estuary system. Bathymetric and acoustic backscatter data were collected simultaneously in 10 survey...
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Search relevance: 43.72 | Views last month: 0
Federal
San Francisco Bay Interferometric Side Scan Imagery: Area B
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-01-01T00:00:00.000+00:00
High resolution sonar data were collected over ultra-shallow areas of the San Francisco Bay estuary system. Bathymetric and acoustic backscatter data were collected simultaneously in 10 survey...
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Search relevance: 42.96 | Views last month: 0
Federal
San Francisco Bay Multi-beam Bathymetry: Area A
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2014-01-01T00:00:00.000+00:00
These multi-beam bathymetric data were collected over shallow subtidal areas in the San Francisco Bay estuary system. Bathymetric and acoustic backscatter data were collected simultaneously in 84...
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Search relevance: 42.89 | Views last month: 1
Federal
San Francisco Bay Interferometric Side Scan Imagery: Area A
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-02-29T00:00:00.000+00:00
Backscatter imagery data were collected over shallow subtidal areas in the San Francisco Bay estuary system. Bathymetric and acoustic backscatter data were collected simultaneously in 84 survey...
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Search relevance: 42.54 | Views last month: 0
Federal
Humboldt Bay Benthic Habitat 2009
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-15T00:00:00.000+00:00
These data were developed to support ecosystem-based management in the Humboldt Bay region. The focus of the mapping effort was on shallow water benthic habitats with particular concern for...
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Search relevance: 37.86 | Views last month: 0
Federal
San Francisco Bay Interferometric Bathymetry: Area A
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-02-29T00:00:00.000+00:00
These interferometric bathymetric data were collected with the Edgetech 6205 sonar system in the San Francisco Bay. Bathymetric and acoustic backscatter data were collected simultaneously in 84...
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Search relevance: 36.96 | Views last month: 0
Federal
Chirp seismic reflection data- shotpoints, tracklines, profile images, and SEG-Y traces for EdgeTech 3400 chirp data collected during USGS field activity 2022-001-FA (point and polyline shapefiles, CSV text, PNG Images, and SEGY data, GCS WGS 84)
- Organization: Department of the Interior
- Updated: 2023-03-09T00:00:00Z
In June 2022, the U.S. Geological Survey, in collaboration with the Massachusetts Office of Coastal Zone Management, collected high-resolution geophysical data, in Nantucket Sound to understand...
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Search relevance: 35.80 | Views last month: 0
Federal
Multibeam backscatter data collected in Nantucket Sound Massachusetts in the vicinity of Horseshoe Shoal, during USGS Field Activity 2022-001-FA using a Teledyne SeaBat Integrated Dual-Head (IDH) T20-P multibeam echosounder (8-bit GeoTIFF, UTM Zone 19N, WGS 84, 1-m resolution)
- Organization: Department of the Interior
- Updated: 2023-03-09T00:00:00Z
In June 2022, the U.S. Geological Survey, in collaboration with the Massachusetts Office of Coastal Zone Management, collected high-resolution geophysical data, in Nantucket Sound to understand...
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Search relevance: 35.43 | Views last month: 1
Federal
Trackline navigation data collected in Nantucket Sound Massachusetts in the vicinity of Horseshoe Shoal, during USGS Field Activity 2022-001-FA using a Teledyne SeaBat Integrated Dual-Head (IDH) T20-P multibeam echosounder (Esri polyline shapefile, Geographic, WGS 84)
- Organization: Department of the Interior
- Updated: 2023-03-09T00:00:00Z
In June 2022, the U.S. Geological Survey, in collaboration with the Massachusetts Office of Coastal Zone Management, collected high-resolution geophysical data, in Nantucket Sound to understand...
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Search relevance: 35.43 | Views last month: 0
Federal
Sound Velocity Profiles collected in Nantucket Sound Massachusetts in the vicinity of Horseshoe Shoal, during USGS Field Activity 2022-001-FA using AML-3 LGR or AML Minos-X CTDSV sensors (PNG images, SVP text, and ESRI point shapefile, GCS WGS 84)
- Organization: Department of the Interior
- Updated: 2023-03-09T00:00:00Z
In June 2022, the U.S. Geological Survey, in collaboration with the Massachusetts Office of Coastal Zone Management, collected high-resolution geophysical data, in Nantucket Sound to understand...
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Search relevance: 35.33 | Views last month: 0
Federal
Multibeam bathymetric data collected in Nantucket Sound Massachusetts in the vicinity of Horseshoe Shoal, during USGS Field Activity 2022-001-FA using a Teledyne SeaBat Integrated Dual-Head (IDH) T20-P multibeam echosounder (32-bit GeoTIFF, UTM Zone 19N, NAD 83, MLLW Datum, 2-m resolution)
- Organization: Department of the Interior
- Updated: 2023-03-09T00:00:00Z
In June 2022, the U.S. Geological Survey, in collaboration with the Massachusetts Office of Coastal Zone Management, collected high-resolution geophysical data, in Nantucket Sound to understand...
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Search relevance: 35.10 | Views last month: 1
Federal
Vegetation survey in a coastal marsh at the Grand Bay National Estuarine Research Reserve, Mississippi
- Organization: Department of the Interior
- Updated: 2025-06-18T00:00:00Z
To better understand sediment deposition in marsh environments, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center (USGS-SPCMSC) selected four study sites...
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Search relevance: 35.00 | Views last month: 0
Federal
Water level data for four sites in the coastal marsh at Grand Bay National Estuarine Research Reserve, Mississippi, from October 2018 through January 2020
- Organization: Department of the Interior
- Updated: 2025-06-18T00:00:00Z
To better understand sediment deposition in marsh environments, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center (USGS-SPCMSC) selected four study sites...
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Search relevance: 35.00 | Views last month: 0
Federal
RBR sensor wave data for two sites in the coastal marsh at Grand Bay National Estuarine Research Reserve, Mississippi, from April 2019 through January 2020
- Organization: Department of the Interior
- Updated: 2025-06-18T00:00:00Z
To better understand sediment deposition in marsh environments, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center (USGS-SPCMSC) selected four study sites...
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Search relevance: 34.06 | Views last month: 0
Federal
Shore Proximal Marsh Sediment Deposition and Ancillary Data From Grand Bay National Estuarine Research Reserve, Mississippi: grain size analysis
- Organization: Department of the Interior
- Updated: 2025-06-18T00:00:00Z
To better understand sediment deposition in marsh environments, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center (USGS-SPCMSC) selected four study sites...
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Search relevance: 34.01 | Views last month: 2
Federal
RBR sensor pressure and tidal data for two sites in the coastal marsh at Grand Bay National Estuarine Research Reserve, Mississippi, from April 2019 through January 2020
- Organization: Department of the Interior
- Updated: 2025-06-18T00:00:00Z
To better understand sediment deposition in marsh environments, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center (USGS-SPCMSC) selected four study sites...
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Search relevance: 33.79 | Views last month: 0

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