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Transgressive Contours--Point Conception to Hueneme Canyon, California This part of DS 781 presents data for the transgressive contours for the Point Conception to Hueneme Canyon, California, region. The vector file is included in "TransgressiveContours_PointConceptionToHuenemeCanyon.zip," which is accessible from http://dx.doi.org/10.5066/F7891424. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Conception and Hueneme Canyon was generated from seismic-reflection data collected in 2014 (USGS activity 2014-632-FA) supplemented with outcrop and geologic structure (fault) information following the methodology of Wong (2012). Water depths determined from bathymetry data were... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Carpinteria, Coal Oil Point, Gaviota, Hueneme Canyon, Pacific Ocean, All tags... Point Conception, Refugio Beach, Santa Barbara, Santa Barbara Channel, Santa Barbara County, State of California, Ventura, coastal geology, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment thickness, stratigraphic thickness, Fewer tags Isopachs--Point Conception to Hueneme Canyon, California This part of DS 781 presents data for the isopachs for the Point Conception to Hueneme Canyon, California, region. The vector data file is included in "Isopachs_PointConceptionToHuenemeCanyon.zip," which is accessible from https://doi.org/10.5066/F7891424. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Conception and Hueneme Canyon was generated from seismic-reflection data collected in 2014 (USGS activity 2014-632-FA) supplemented with outcrop and geologic structure (fault) information following the methodology of Wong (2012). This sediment thickness layer was merged with a previously published sediment... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Carpinteria, Coal Oil Point, Gaviota, Hueneme Canyon, Pacific Ocean, All tags... Point Conception, Refugio Beach, Santa Barbara, Santa Barbara Channel, Santa Barbara County, State of California, Ventura, coastal geology, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment isopach, sediment thickness, stratigraphic thickness, Fewer tags High-resolution multibeam bathymetry and backscatter data collected in 2004 for the northern Channel Islands region, southern California This data release presents data for 5-m resolution multibeam-bathymetry and acoustic-backscatter data of the northern Channel Islands region, southern California. In 2004 the U.S. Geological Survey, Pacific Coastal and Marine Science Center collected multibeam-bathymetry and acoustic-backscatter data in the northern Channel Islands region, southern California. The region was mapped aboard the R/V Ewing using a Kongsberg Simrad EM-1002 multibeam echosounder. These data were previously published on-line at http://pubs.usgs.gov/of/2005/1153/. In this data release the data have been reprocessed to a finer spatial resolution (5-m versus 15-m) using more modern processing techniques. Due to the large file sizes the entire... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Backscatter (sea floor), Bathymetry, Bathymetry, CMG, CMGP, All tags... Channel Islands, Coastal and Marine Geology Program, Geology, Geophysics, Multibeam sonar, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Santa Barbara Channel, Seafloor Topography, State of California, U.S. Geological Survey, USGS, data release, environment, geoscientificInformation, imageryBaseMapsEarthCover, oceans, Fewer tags Multichannel minisparker seismic-reflection data of USGS field activity 2016-666-FA collected in the Santa Barbara Basin in September and October of 2016 High-resolution multichannel minkisparker seismic-reflection (MCS) profiles were collected by the U.S. Geological Survey in September and October of 2016 from the northern portion of the Santa Barbara Basin offshore southern California. Data were collected aboard the USGS R/V Parke Snavely and NOAA R/V Shearwater during field activity 2016-666-FA using a SIG 2-mille minisparker and recorded using 48- or 24-channel Geometrics digital hydrophone streamer. Sub-bottom acoustic penetration spans several hundreds of meters and is variable by location. Tags: Bathymetry and Elevation, CMHRP, Channel Islands, City of Goleta, City of Santa Barbara, All tags... Coal Oil Point, Coastal and Marine Hazards and Resources Program, Gaviota, Isla Vista, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Pacific Ocean, Point Conception, Santa Barbara Basin, Santa Barbara Channel, State of California, U.S. Geological Survey, USGS, acoustic methods, geophysics, geoscientificInformation, geospatial datasets, mapping, marine geophysics, oceans, seabed, seismic reflection profiling, sub-bottom profiling, Fewer tags Air-photo seafloor character Santa Barbara Channel Geohab Seafloor character was derived from interpretations of air photo derived kelp distribution data available for the Santa Cruz Island (Kushner and others 2013). The number of substrate classes was reduced because rugosity could not be derived for all areas. References Cited: Kushner DJ, Rassweiler A, McLaughlin JP, Lafferty KD (2013) A multi-decade time series of kelp forest community structure at the California channel islands: Ecology 94:2655. Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Biosphere > Aquatic Ecosystems > Benthic Habitat, Biosphere > Aquatic Ecosystems > Marine Habitat, Pacific Ocean, Physical Habitats and Geomorphology, Santa Barbara Channel, All tags... Santa Cruz Island, State of California, benthic ecosystems, data release, environment, geoscientificInformation, imageryBaseMapsEarthCover, oceans, Fewer tags High-resolution multibeam bathymetry data collected in 2004 for the northern Channel Islands region, southern California This data release presents data for 5-m resolution multibeam-bathymetry data of the northern Channel Islands region, southern California. In 2004 The U.S. Geological Survey, Pacific Coastal and Marine Science Center collected multibeam-bathymetry and acoustic-backscatter data in the northern Channel Islands region, southern California. The region was mapped aboard the R/V Ewing using a Kongsberg Simrad EM-1002 multibeam echosounder. These data were previously published on-line at http://pubs.usgs.gov/of/2005/1153/. In this data release the data have been reprocessed to a finer spatial resolution (5-m versus 15-m) using more modern processing techniques. Due to the large file sizes the entire survey area is provided... Tags: Bathymetry, Bathymetry, Bathymetry and Elevation, CMHRP, Channel Islands, All tags... Coastal and Marine Hazards and Resources Program, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Santa Barbara Channel, Seafloor Topography, State of California, U.S. Geological Survey, USGS, geoscientificInformation, imageryBaseMapsEarthCover, marine geology, marine geology, marine geophysics, multibeam echo sounder, multibeam sonar, oceans, sea-floor acoustic reflectivity, Fewer tags Chirp sub-bottom data of USGS field activity 2018-645-FA collected in the Santa Barbara Channel in July of 2018 High-resolution chirp sub-bottom data were collected by the U.S. Geological Survey in July of 2018 between Point Conception and Coal Oil Point in the Santa Barbara Channel, California. Data were collected aboard the USGS R/V Parke Snavely during field activity 2018-645-FA, using an EdgeTech SB-512i sub-bottom profiler. Sub-bottom acoustic penetration spans several tens of meters and is variable by location. Tags: CMHRP, Channel Islands, City of Goleta, City of Santa Barbara, Coal Oil Point, All tags... Coastal and Marine Hazards and Resources Program, Distributions, Gaviota, Isla Vista, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Point Conception, Santa Barbara Basin, Santa Barbara Channel, State of California, Substrate, U.S. Geological Survey, USGS, acoustic methods, geophysics, geoscientificinformation, geospatial datasets, mapping, marine geophysics, oceans, seabed, seismic reflection profiling, sub-bottom profiling, Fewer tags Web services Santa Barbara Channel Geohab This study took place in the Santa Barbara channel region of southern California, USA. The Santa Barbara channel is a well-known biogeographic transition zone and nearshore rocky reefs and kelp forests are home to many important commercial and recreationally fished species. In particular, rockfishes (genus Sebastes) are long-lived, piscivorous reef fishes that are important predators and are both commercially and recreationally fished. Kelp bass (Paralabrax clathratus), another important fish predator makes up a major sport fishery in southern CA. Finally, CA sheephead (Semicossyphus pulcher) are predators on grazing urchins and have been shown to exert top down control on kelp forests in the area (Hamilton and... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: BOEM, California, Continental Shelf, Santa Barbara Channel, USGS, All tags... backscatter, bathymetry, energy, marine habitat, seafloor mapping, Fewer tags Chirp seismic-reflection data of USGS field activity 2014-645-FA collected in the outer Santa Barbara Channel, California, between 2014-11-12 to 2014-11-25 (ver. 2.0, March 2020) This data release contains 43 chirp sub-bottom profiles that were collected in November of 2014 from the Catalina and Santa Cruz Basins offshore southern California by the U.S. Geological Survey Pacific and Coastal Marine Science Center. Data were collected aboard the University of California’s R/V Robert Gordon Sproul on USGS cruise 2014-645-FA. Chirp profiles were collected to assess earthquake and submarine landslide hazards offshore southern California. Categories: Data; Types: Citation; Tags: Avalon, Bathymetry and Elevation, CMHRP, Catalina Basin, Catalina Canyon, All tags... Catalina Escarpment, City of Encinitas, City of Huntington Beach, City of Long Beach, City of San Diego, City of Ventura, Coastal and Marine Hazards and Resources Program, Emery Knoll, Gulf of Santa Catalina, Hueneme Canyon, Osborn Bank, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, San Clemente Island, San Nicolas Island, Sant Barbara Island, Santa Barbara Channel, Santa Barbara County, Santa Catalina Island, Santa Cruz Basin, Santa Cruz Canyon, Santa Cruz Island, Santa Monica Basin, Santa Rosa Island, State of California, Two Harbors, U.S. Geological Survey, USGS, Ventura County, continental margins, geoscientificInformation, geospatial datasets, marine geophysics, minisparker, oceans, seismic reflection profiling, seismic reflection profiling, Fewer tags Acoustic-backscatter data of USGS field activity 2016-666-FA collected in the Santa Barbara Basin in September and October of 2016 These metadata describe acoustic-backscatter data collected during an October 2016 multibeam-echosounder survey of the northern portion of the Santa Barbara Channel, California. Data were collected and processed by the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) with fieldwork activity number 2016-666-FA. The acoustic-backscatter data are provided as a GeoTIFF image. Tags: CMHRP, Channel Islands, City of Goleta, City of Santa Barbara, Coal Oil Point, All tags... Coastal and Marine Hazards and Resources Program, Distributions, Gaviota, Isla Vista, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Point Conception, Santa Barbara Channel, State of California, U.S. Geological Survey, USGS, elevation, field observation, geoscientificInformation, geospatial datasets, image mosaics, marine geophysics, multibeam sonar, sea-floor acoustic reflectivity, sea-floor characteristics, seabed, Fewer tags Multichannel minisparker seismic-reflection data of USGS field activity 2018-645-FA collected in the Santa Barbara Channel in July of 2018 High-resolution multichannel minisparker seismic-reflection data were collected by the U.S. Geological Survey in July of 2018 between Point Conception and Coal Oil Point in the Santa Barbara Channel, California. Data were collected aboard the USGS R/V Parke Snavely during field activity 2018-645-FA, using SIG 2-mille minisparker and recorded using an 8-channel Geometrics digital hydrophone streamer. Sub-bottom acoustic penetration spans several hundreds of meters and is variable by location. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMHRP, Channel Islands, City of Goleta, City of Santa Barbara, Coal Oil Point, All tags... Coastal and Marine Hazards and Resources Program, Distributions, Gaviota, Isla Vista, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Point Conception, Santa Barbara Basin, Santa Barbara Channel, State of California, Substrate, U.S. Geological Survey, USGS, acoustic methods, geophysics, geoscientificinformation, geospatial datasets, mapping, marine geophysics, oceans, seabed, seismic reflection profiling, sub-bottom profiling, Fewer tags Multichannel sparker and minisparker seismic-reflection data of USGS field activity 2014-645-FA collected in the outer Santa Barbara Channel, California, between 2014-11-12 to 2014-11-25 (ver. 2.0, March 2020) This data release contains 35 multichannel sparker and 24 multichannel minisparker seismic reflection (MCS) profiles that were collected in November of 2014 from the Catalina and Santa Cruz Basins offshore southern California by the U.S. Geological Survey Pacific and Coastal Marine Science Center. Data were collected aboard the University of California’s R/V Robert Gordon Sproul on USGS cruise 2014-645-FA. MCS profiles were collected to assess earthquake and submarine landslide hazards offshore southern California. Categories: Data; Types: Citation; Tags: Avalon, Bathymetry and Elevation, CMHRP, Catalina Basin, Catalina Canyon, All tags... Catalina Escarpment, City of Encinitas, City of Huntington Beach, City of Long Beach, City of San Diego, City of Ventura, Coastal and Marine Hazards and Resources Program, Emery Knoll, Gulf of Santa Catalina, Hueneme Canyon, Osborn Bank, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, San Clemente Island, San Nicolas Island, Sant Barbara Island, Santa Barbara Channel, Santa Barbara County, Santa Catalina Island, Santa Cruz Basin, Santa Cruz Canyon, Santa Cruz Island, Santa Monica Basin, Santa Rosa Island, State of California, Two Harbors, U.S. Geological Survey, USGS, Ventura County, continental margins, geoscientificInformation, geospatial datasets, marine geophysics, minisparker, oceans, seismic reflection profiling, seismic reflection profiling, Fewer tags Lidar seafloor character Santa Barbara Channel Geohab Seafloor character was derived from interpretations of lidar data available for the mainland coast within the study area from the California State Waters Mapping Program (Johnson and others, 2012; Johnson and others, 2013a; Johnson and others, 2013b; Johnson and others, 2013c). The number of substrate classes was reduced because rugosity could not be derived for all areas. References Cited: Johnson, S.Y., Dartnell, P., Cochrane, G.R., Golden, N.E., Phillips, E.L., Ritchie, A.C., Greene, H.G., Krigsman, L.M., Kvitek, R.G., Dieter, B.E., Endris, C.A., Seitz, G.G., Sliter, R.W., Erdey, M.E., Gutierrez, C.I., Wong, F.L., Yoklavich, M.M., Draut, A.E., Hart, P.E., and Conrad, J.E. (S.Y. Johnson and S.A. Cochran, eds.),... Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Biosphere > Aquatic Ecosystems > Benthic Habitat, Biosphere > Aquatic Ecosystems > Marine Habitat, CMGP, Coastal and Marine Geology Program, PCMSC, All tags... Pacific Coastal and Marine Science Center, Pacific Ocean, Physical Habitats and Geomorphology, Santa Barbara Channel, State of California, U.S. Geological Survey, USGS, benthic ecosystems, data release, environment, geoscientificInformation, imageryBaseMapsEarthCover, oceans, Fewer tags 10 meter contours Santa Barbara Channel Geohab This data release contains GIS data generated by USGS for use in a BOEM-funded project to compare natural rockfish nursery habitat to habitat created by manmade structures in the eastern Santa Barbara Channel. The contours were created from published data and digital elevation models (DEMs) of Carignan and others (2009) and Dartnell and others (2012). Contours were generated using the ESRI Contour tool in spatial analysit. The contour interval is 10 meters. The contours were clipped to exclude areas outside the BOEM rockfish nurseries study area. Dartnell, P., Finlayson, D.P., Ritchie, A.C., Cochrane, G.R., and Erdey, M.D., 2012, Bathymetry and acoustic backscatter-outer mainland shelf, eastern Santa Barbara Channel,... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: BOEM, Bathymetry, Bathymetry and Elevation, CMGP, Multibeam, All tags... Ocean Floor Topography, Oceans > Bathymetry/SeafloorTopography > Bathymetry, Oceans > Bathymetry/SeafloorTopography > Seafloor Topography, Pacific Coastal and Marine Science Center, Pacific Ocean, Santa Barbara Channel, State of California, U.S. Geological Survey, USGS, bathymetry, data release, elevation, environment, geoscientificInformation, imageryBaseMapsEarthCover, oceans, Fewer tags Multichannel minisparker seismic-reflection data of USGS field activity 2016-616-FA collected in the Catalina Basin offshore southern California in February 2016 This data release contains 25 multichannel minisparker seismic reflection (MCS) profiles that were collected in February of 2016 from the Catalina Basin offshore southern California by the U.S. Geological Survey Pacific and Coastal Marine Science Center in cooperation with the University of Washington. Data were collected aboard the University of Washington’s R/V Thomas G. Thompson on USGS cruise 2016-616-FA. MCS profiles were collected to image the Catalina and San Clemente fault systems as well as the San Gabriel Canyon and Channel system. Tags: Avalon, Bathymetry and Elevation, CMHRP, Catalina Basin, Catalina Canyon, All tags... Catalina Escarpment, City of Encinitas, City of Huntington Beach, City of Long Beach, City of San Diego, Coastal and Marine Hazards and Resources Program, Emery Knoll, Gulf of Santa Catalina, Osborn Bank, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, San Clemente Island, San Nicolas Island, Sant Barbara Island, Santa Barbara Channel, Santa Catalina Island, State of California, Two Harbors, U.S. Geological Survey, USGS, continental margin, geoscientificInformation, geospatial datasets, marine geophysics, minisparker, oceans, seismic reflection profiling, sub-bottom profiling, Fewer tags Multibeam bathymetry data of USGS field activity 2016-666-FA collected in the Santa Barbara Basin in September and October of 2016 These metadata describe bathymetry data collected during an October 2016 multibeam-echosounder survey of the northern portion of the Santa Barbara Channel, California. Data were collected and processed by the the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) with fieldwork activity number 2016-666-FA. The bathymetry data are provided as a GeoTIFF image. Tags: Bathymetry and Elevation, CMHRP, Channel Islands, City of Goleta, City of Santa Barbara, All tags... Coal Oil Point, Coastal and Marine Hazards and Resources Program, Gaviota, Isla Vista, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Point Conception, Santa Barbara Channel, State of California, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, elevation, field observation, geoscientificInformation, geospatial datasets, marine geophysics, multibeam sonar, sea-floor characteristics, seabed, Fewer tags Depth to Transition--Point Conception to Hueneme Canyon, California This part of DS 781 presents data for the depth-to-transition map of the Point Conception to Hueneme Canyon, California, region. The raster data file is included in "DepthToTransition_PointConceptionToHuenemeCanyon.zip," which is accessible from http://dx.doi.org/10.5066/F7891424. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Conception and Hueneme Canyon was generated from seismic-reflection data collected in 2014 (USGS activity 2014-632-FA) supplemented with outcrop and geologic structure (fault) information following the methodology of Wong (2012). Water depths determined from bathymetry data were... Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Carpinteria, Coal Oil Point, Gaviota, Hueneme Canyon, Pacific Ocean, All tags... Point Conception, Refugio Beach, Santa Barbara, Santa Barbara Channel, Santa Barbara County, State of California, Ventura, coastal geology, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment thickness, stratigraphic thickness, Fewer tags High-resolution multibeam backscatter data collected in 2004 for the northern Channel Islands region, southern California This data release presents data for 5-m resolution acoustic-backscatter data of the northern Channel Islands region, southern California. In 2004 the U.S. Geological Survey, Pacific Coastal and Marine Science Center collected multibeam-bathymetry and acoustic-backscatter data in the northern Channel Islands region, southern California. The region was mapped aboard the R/V Ewing using a Kongsberg Simrad EM-1002 multibeam echosounder. These data were previously published on-line at http://pubs.usgs.gov/of/2005/1153/. In this data release the data have been reprocessed to a finer spatial resolution (5-m versus 15-m) using more modern processing techniques. Due to the large file sizes the entire survey area is provided... Tags: Bathymetry, Bathymetry, Bathymetry and Elevation, CMHRP, Channel Islands, All tags... Coastal and Marine Hazards and Resources Program, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Santa Barbara Channel, Seafloor Topography, State of California, U.S. Geological Survey, USGS, geoscientificInformation, imageryBaseMapsEarthCover, marine geology, marine geology, marine geophysics, multibeam echo sounder, multibeam sonar, oceans, sea-floor acoustic reflectivity, Fewer tags Multibeam seafloor character Santa Barbara Channel Geohab Substrate was classified from multibeam sonar using the method of Cochrane (2008) for this study. Seafloor character derived from multibeam sonar data is available for the mainland coast within the study area from the California State Waters Mapping Program (Johnson and others, 2012; Johnson and others 2013a; Johnson and others 2013b; Johnson and others 2013c). The number of substrate classes was reduced because rugosity could not be derived for all areas due to the lack of bathymetry data for other data sets used in the study. References Cited: Cochrane, G.R., 2008, Video-supervised classification of sonar data for mapping seafloor habitat, in Reynolds, J.R., and Greene, H.G., eds., Marine habitat mapping... Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Biosphere > Aquatic Ecosystems > Benthic Habitat, Biosphere > Aquatic Ecosystems > Marine Habitat, CMGP, Coastal and Marine Geology Program, PCMSC, All tags... Pacific Coastal and Marine Science Center, Pacific Ocean, Santa Barbara Channel, State of California, U.S. Geological Survey, USGS, data release, environment, geoscientificInformation, imageryBaseMapsEarthCover, oceans, Fewer tags Sediment Thickness--Point Conception to Hueneme Canyon, California This part of DS 781 presents data for the sediment-thickness map of the Point Conception to Hueneme Canyon, California, region. The raster data file is included in "SedimentThickness_PointConceptionToHuenemeCanyon.zip," which is accessible from https://doi.org/10.5066/F7891424. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Conception and Hueneme Canyon was generated from seismic-reflection data collected in 2014 (USGS activity 2014-632-FA) supplemented with outcrop and geologic structure (fault) information following the methodology of Wong (2012). This sediment thickness layer was merged with a previously... Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Carpinteria, Coal Oil Point, Gaviota, Hueneme Canyon, Pacific Ocean, All tags... Point Conception, Refugio Beach, Santa Barbara, Santa Barbara Channel, Santa Barbara County, State of California, Ventura, coastal geology, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment thickness, seismic isopach, seismic reflection methods, seismic reflection profiling, stratigraphic thickness, Fewer tags 1 2 »