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  1. Backscatter C (7125): Offshore of Point Reyes, California, 2010

    Erdey, Mercedes D.
    Santa Cruz, California, US : Geological Survey (U.S.), 2014

    This layer is a georeferenced raster image containing acoustic-backscatter data for the offshore region of Point Reyes, California. The map that show these data are published in Open-File Report 2015-1114, "California State Waters Map Series—Offshore of Point Reyes, California." This layer is part of USGS Data Series 781.In 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP) to create a comprehensive seafloor map of high-resolution bathymetry, marine benthic habitats and geology within the 3-nautical-mile limit of California's State Waters. CSMP has divided coastal California into 110 map blocks, each to be published individually as United States Geological Survey Open-File Reports (OFRs) or Scientific Investigations Maps (SIMs) at a scale of 1:24,000. Maps display seafloor morphology and character, identify potential marine benthic habitats and illustrate both the seafloor geology and shallow (to about 100 m) subsurface geology. Data layers for bathymetry, bathymetric contours, acoustic backscatter, seafloor character, potential benthic habitat and offshore geology were created for each map block, as well as regional-scale data layers for sediment thickness, depth to transition, transgressive contours, isopachs, predicted distributions of benthic macro-invertebrates and visual observations of benthic habitat from video cruises over the entire state. This coverage can be used to to aid in assessments and mitigation of geologic hazards in the coastal region and to provide sufficient geologic information for land-use and land-management decisions both onshore and offshore. These data are intended for science researchers, students, policy makers, and the general public. This information is not intended for navigational purposes.

  2. Seafloor Character: Offshore of Bolinas, California, 2008

    Erdey, Mercedes D.
    Santa Cruz, California, US : Geological Survey (U.S.), 2014

    This layer is a georeferenced raster image containing seafloor character data for the offshore area of Bolinas, California. This layer is part of USGS Data Series 781.In 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP) to create a comprehensive seafloor map of high-resolution bathymetry, marine benthic habitats and geology within the 3-nautical-mile limit of California's State Waters. CSMP has divided coastal California into 110 map blocks, each to be published individually as United States Geological Survey Open-File Reports (OFRs) or Scientific Investigations Maps (SIMs) at a scale of 1:24,000. Maps display seafloor morphology and character, identify potential marine benthic habitats and illustrate both the seafloor geology and shallow (to about 100 m) subsurface geology. Data layers for bathymetry, bathymetric contours, acoustic backscatter, seafloor character, potential benthic habitat and offshore geology were created for each map block, as well as regional-scale data layers for sediment thickness, depth to transition, transgressive contours, isopachs, predicted distributions of benthic macro-invertebrates and visual observations of benthic habitat from video cruises over the entire state. These data are intended for science researchers, students, policy makers, and the general public. This information is not intended for navigational purposes.The data can be used with geographic information systems (GIS) software to display geologic and oceanographic information. Additionally, this coverage can provide a geologic map for the public and geoscience community to aid in assessments and mitigation of geologic hazards in the coastal region and sufficient geologic information for land-use and land-management decisions both onshore and offshore. This information is not intended for navigational purposes.

  3. Seafloor Character: Offshore of San Francisco, California, 2008

    Erdey, Mercedes D.
    Santa Cruz, California, US : Geological Survey (U.S.), 2014

    This layer is a georeferenced raster image containing seafloor data for the offshore area of San Francisco, California. This layer is part of USGS Data Series 781.In 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP) to create a comprehensive seafloor map of high-resolution bathymetry, marine benthic habitats and geology within the 3-nautical-mile limit of California's State Waters. CSMP has divided coastal California into 110 map blocks, each to be published individually as United States Geological Survey Open-File Reports (OFRs) or Scientific Investigations Maps (SIMs) at a scale of 1:24,000. Maps display seafloor morphology and character, identify potential marine benthic habitats and illustrate both the seafloor geology and shallow (to about 100 m) subsurface geology. Data layers for bathymetry, bathymetric contours, acoustic backscatter, seafloor character, potential benthic habitat and offshore geology were created for each map block, as well as regional-scale data layers for sediment thickness, depth to transition, transgressive contours, isopachs, predicted distributions of benthic macro-invertebrates and visual observations of benthic habitat from video cruises over the entire state. These data are intended for science researchers, students, policy makers, and the general public. This information is not intended for navigational purposes.The data can be used with geographic information systems (GIS) software to display geologic and oceanographic information. Additionally, this coverage can provide a geologic map for the public and geoscience community to aid in assessments and mitigation of geologic hazards in the coastal region and sufficient geologic information for land-use and land-management decisions both onshore and offshore. This information is not intended for navigational purposes.

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  1. Backscatter D (Snippets): Offshore of Bolinas. California, 2007

    Erdey, Mercedes D., Kvitek, Rikk G., Dartnell, Peter, Bretz, Carrie K., and Golden, Nadine E.
    2007

    This layer is a georeferenced raster image containing acoustic-backscatter data for the offshore area of Bolinas, California. The acoustic-backscat...

  2. Seafloor Character: Drakes Bay and Vicinity, California, 2010

    Cochrane, Guy R., Erdey, Mercedes D., Golden, Nadine E., and Pacific Coastal and Marine Science Center
    2014

    This layer is a georeferenced raster image of the seafloor map of Drakes Bay and the surrounding vicinity in California. This layer is part of the ...

  3. Seafloor Character: Offshore of Bodega Head, California, 2010

    Erdey, Mercedes D., Cochrane, Guy R., Golden, Nadine E., and Pacific Coastal and Marine Science Center
    2014

    This layer is a georeferenced raster image representing the seafloor character map for the offshore area of Bodega Head in California. This layer i...

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