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Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Citation (3) Contacts Peter Dartnell U.S. Geological Survey - ScienceBase U.S. Geological Survey Alicia F. Balster-Gee Alicia Balster-Gee More... Categories Data (5) Tag Types Theme (19) Tags (with Scheme=ISO 19115 Topic Category) geoscientificinformation (6) environment (3) imagerybasemapsearthcover (3) oceans (3) elevation (2) inlandwaters (1) seafloor (1) View Results as: JSON ATOM CSV

Merged multibeam bathymetry--northern portion of the Southern California Continental Borderland In February 2016 the University of Washington in cooperation with the U.S. Geological Survey, Pacific Coastal and Marine Science Center (USGS, PCMSC) collected multibeam bathymetry and acoustic backscatter data in the Catalina Basin aboard the University of Washington's Research Vessel Thomas G. Thompson. Data was collected using a Kongsberg EM300 multibeam echosounder hull-mounted to the 274-foot R/V Thomas G. Thompson. The USGS, PCMSC processed these data and produced a series of bathymetric surfaces and acoustic backscatter images for scientific research purposes. A 25-m bathymetric surface produced from this work was merged with publically available multibeam bathymetry data as well as 2015, 2016, and 2017 multibeam... Categories: Data; Types: Citation; Tags: Bathymetry, Bathymetry, Bathymetry and Elevation, CMGP, Geology, All tags... Multibeam sonar, Pacific, Pacific Coastal and Marine Science Center, Seafloor Topography, U.S. Geological Survey, USGS, environment, geoscientificInformation, imageryBaseMapsEarthCover, sea-floor acoustic reflectivity, seabed, seafloor, Fewer tags Merged multibeam bathymetry--Catalina Basin and northern Gulf of Santa Catalina, southern California This part of the data release includes 10-m resolution merged multibeam-bathymetry data of Catalina Basin and northern Gulf of Santa Catalina. The data are presented as a TIFF file. In February 2016 the University of Washington in cooperation with the U.S. Geological Survey, Pacific Coastal and Marine Science Center (USGS, PCMSC) collected multibeam bathymetry and acoustic backscatter data in Catalina Basin aboard the University of Washington's Research Vessel Thomas G. Thompson. Data were collected using a Kongsberg EM300 multibeam echosounder hull-mounted to the 274-foot R/V Thomas G. Thompson. The USGS, PCMSC processed these data and produced a series of bathymetric surfaces and acoustic backscatter images for... Categories: Data; Types: Citation; Tags: Bathymetry, Bathymetry, Bathymetry and Elevation, CMGP, Coastal and Marine Geology Program, All tags... Geology, Multibeam sonar, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Seafloor Topography, U.S. Geological Survey, USGS, environment, geoscientificInformation, imageryBaseMapsEarthCover, multibeam echo sounder, sea-floor acoustic reflectivity, seabed, Fewer tags Multichannel minisparker seismic-reflection data of field activity 2015-617-FA; Monterey Bay, offshore central California from 2015-02-23 to 2015-03-06 This data release contains approximately 190 line-kilometers of processed, high-resolution multichannel seismic-reflection (MCS) profiles that were collected aboard the R/V Snavely in 2015 on U.S. Geological Survey cruise 2015-617-FA in Monterey Bay, offshore central California. The majority of MCS profiles collected are oriented north-south across the Monterey Canyon head to address marine geohazards and submarine canyon evolution. The MCS profiles were acquired using a 700-Joule minisparker source and a 24-channel digital streamer. Tags: Bathymetry and Elevation, CMGP, Coastal and Marine Geology Program, Monterey Bay, Monterey Canyon, All tags... Monterey Canyon, Monterey Fan, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, State of California, U.S. Geological Survey, USGS, geoscientificInformation, geospatial datasets, marine geophysics, oceans, seismic reflection profiling, sub-bottom profiling, Fewer tags Multichannel sparker seismic-reflection data between Cross Sound and Dixon Entrance, offshore southeastern Alaska, collected from 2016-05-17 to 2016-06-12 during field activity 2016-625-FA Multichannel sparker (MCS) seismic-reflection data were collected along the Queen Charlotte-Fairweather Fault between Cross Sound and Dixon Entrance, offshore southeastern Alaska from 2016-05-17 to 2016-06-12. Data were collected aboard the Alaska Department of Fish and Game R/V Medeia, and recorded using a 32 channel GeoEel digital streamer, an Applied Acoustics power supply, and a SIG SLP 790 Sparker Electrode. MCS profiles were collected coincident with multibeam data collected at higher survey speeds (5-6 knots), which reduced the MCS data quality. Categories: Data; Tags: Baranof Fan, Baranof Island, Bathymetry and Elevation, CMGP, Chatham Strait, All tags... Coastal and Marine Geology Program, Cross Sound, Dixon Entrance, Elevation, Gulf of Alaska, Heceta Knoll, Mount Edgecumbe, North Pacific Ocean, Noyes Canyon, Oceans, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Sitka, State of Alaska, U.S. Geological Survey, USGS, Yakobi Valley, geoscientificinformation, seismic reflection profiling, sub-bottom profiling, Fewer tags Multibeam bathymetry data collected in 2016 in Catalina Basin, Southern California In February 2016 the University of Washington in cooperation with the U.S. Geological Survey, Pacific Coastal and Marine Science Center (USGS, PCMSC) collected multibeam bathymetry and acoustic backscatter data in Catalina Basin aboard the University of Washington's Research Vessel Thomas G. Thompson. Data was collected using a Kongsberg EM300 multibeam echosounder hull-mounted to the 274-foot R/V Thomas G. Thompson. The USGS, PCMSC processed these data and produced a series of bathymetric surfaces and acoustic-backscatter images for scientific research purposes. This data release page provides a 10-m resolution bathymetry surface and a 10-m resolution shaded relief bathymetry image as well as FGDC metadata describing... Categories: Data; Types: Citation; Tags: Bathymetry, Bathymetry, Bathymetry and Elevation, CMGP, Catalina Basin, All tags... Geology, Multibeam sonar, Pacific, Pacific Coastal and Marine Science Center, Seafloor Topography, U.S. Geological Survey, USGS, environment, geoscientificInformation, imageryBaseMapsEarthCover, inlandWaters, sea-floor acoustic reflectivity, Fewer tags Multibeam bathymetry data between Cross Sound and Dixon Entrance, offshore southeastern Alaska, collected from 2016-05-17 to 2016-06-12 during field activity 2016-625-FA Multibeam bathymetry data were collected along the Queen Charlotte-Fairweather Fault between Icy Point and Dixon Entrance, offshore southeastern Alaska from 2016-05-17 to 2016-06-12. Data were collected aboard the Alaska Department of Fish and Game R/V Medeia using a Reson SeaBat 7160 multibeam echosounder, Reson 7k Control Center, and HYPACK. This data release contains approximately 4,600 square kilometers of multibeam bathymetry and backscatter data, organized into zip files for each Julian Day of the survey. Categories: Data; Tags: ADFG, Alaska Department of Fish and Game, Baranof Fan, Baranof Island, Barnegat Inlet, All tags... Bathymetry, Bathymetry and Elevation, CMGP, Chatham Strait, Chichagof Island, Coastal and Marine Geology Program, Continental Margins, Cross Sound, Dixon Entrance, Elevation, Heceta Knoll, Mount Edgecumbe, North Pacific Ocean, Noyes Canyon, Oceans, PCMSC, Pacific Coastal and Marine Science Center, Pacific OceanPlace_Keyword: Gulf of Alaska, R/V Medeia, Reson 7160, Sitka, TerraSond, U.S. Geological Survey, USGS, United States of America, WHCMSC, Woods Hole Coastal and Marine Science Center, Yakobi Valley, Yakutat, bathymetry, depth, geoscientificInformation, multibeam echo sounder, multibeam sonar, sea-floor characteristics, seafloor, Fewer tags