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Location Folder Show Tree ROOT _ScienceBase Catalog __Pacific Coastal and Marine Science Center A GIS compilation of vector shorelines and coastal bluff edge positions, and associated rate-of-change data for Barter Island, Alaska Aerial imagery and structure-from-motion data products from a UAS survey of the Los Padres Reservoir delta, Carmel River valley, CA, 2017-11-01 Aerial imagery and structure-from-motion data products from UAS survey of the intertidal zone at Lone Tree Point, Kiket Bay, WA, June 2019 Aerial imagery and structure-from-motion data products from UAS survey of the intertidal zone at Post Point, Bellingham Bay, WA, June 2019 Aerial imagery and structure-from-motion data products from UAS survey of the intertidal zone at Puget Creek and Dickman Mill Park, Tacoma, WA, June 2019 More... Filters Date Range Past year (14) Past month (2) Past week (1) Past day (0) Custom range... To   Search Extensions Community (1) Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts Pacific Coastal and Marine Science Center U.S. Geological Survey - ScienceBase U.S. Geological Survey U.S. Geological Survey U.S. Geological Survey, Pacific Coastal and Marine Science Center More... Categories Data (9) Tag Types Theme (13) Place (12) USGS Scientific Topic Keyword (11) Tag Schemes None (11) USGS Thesaurus (12) ISO 19115 Topic Category (12) Geographic Names Information System (GNIS) (10) Data Categories for Marine Planning (12) Marine Realms Information Bank (MRIB) keywords (10) NGA GEOnet Names Server (GNS) (5) More... View Results as: JSON ATOM CSV Browse Folder

Multichannel sparker seismic reflection data of USGS field activity 2018-658-FA collected between Cape Blanco and Cape Mendocino from 2018-10-04 to 2018-10-18 Note: This data release has been superseded, available here: https://doi.org/10.5066/P9MYL7WJ This data release contains processed high-resolution multichannel sparker seismic-reflection (MCS) data that were collected aboard Humboldt State University’s R/V Coral Sea in October of 2018 on U.S. Geological Survey cruise 2018-658-FA on the shelf and slope between Cape Blanco, Oregon, and Cape Mendocino, California. MCS data were collected to characterize quaternary deformation and sediment dynamics along the southern Cascadia margin. Tags: Bathymetry and Elevation, Bear Valley, Blanco Fracture Zone, Blanco Saddle, CMHRP, All tags... Cape Blanco, City of Eureka, Coastal and Marine Hazards and Resources Program, Continental Margin, Crescent City, Eel Canyon, Eel River, Geophysics, Gorda Basin, Marine Geology, Mattole Canyon, Mendocino Escarpment, Mendocino Fracture Zone, Mendocino Ridge, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Seismology, State of California, State of Oregon, Stratigraphy, Structural Geology, Trinidad Canyon, U.S. Geological Survey, USGS, geoscientificInformation, geospatial datasets, marine geophysics, oceans, seismic reflection profiling, sparker, sub-bottom profiling, Fewer tags Geochemical analysis of seeps along the Queen Charlotte Fault Geochemical analyses of authigenic carbonates, bivalves, and pore fluids were performed on samples collected from seep fields along the Queen Charlotte Fault, a right lateral transform boundary that separates the Pacific and North American tectonic plates. Samples were collected using grab samplers and piston cores, and were collected during three different research cruises in 2011, 2015, and 2017. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Haida Gwaii, PCMSC, Pacific Coastal and Marine Science Center, All tags... Pacific Ocean, Physical/Chemical Features, Quaternary, Queen Charlotte, U.S. Geological Survey, USGS, chemical analysis, chemosynthesis, geochemistry, geoscientificInformation, grab sampling, light stable isotope analysis, marine chemistry, methanogens, mollusks, paleoceanography, sedimentation, specimen collecting, Fewer tags Grain size and charcoal abundance in sediment samples from Los Padres reservoir, Carmel River watershed, California Sediment samples were collected from Los Padres reservoir in the Carmel River watershed, central California coast, between July 11 and 17, 2017, using a CME-45 barge-mounted drill rig, to characterize sedimentary properties in the reservoir deposits following the Soberanes Fire of 2016 and high river flows in winter 2017. Borehole samples were recovered using direct push coring with an Osterberg piston sampler operated by Taber Drilling Company of Sacramento, California, and overseen by AECOM, Inc. Sediment was recovered using a split-barrel sampler and a rotary drill bit was added to the sampler where needed to penetrate coarse sediment. Samples from four boreholes are described in this data release: three sampled... Categories: Data; Tags: CMHRP, Carmel River, Coastal and Marine Hazards and Resources Program, Data Content Subjects, Geomorphology, All tags... Nonliving Resources, PCMSC, Pacific Coastal and Marine Science Center, Sedimentology, U.S. Geological Survey, USGS, coastal change hazards topics, datasets, earth sciences, environment, field inventory and monitoring, geoscientificInformation, grain-size analysis, inlandWaters, 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 Census counts of the non-indigenous benthic foraminifera Trochammina hadai Uchio obtained in 1983-2010 in San Francisco Bay, California This data release provides census counts of the non-indigenous benthic foraminifera Trochammina hadai Uchio in surface sediment samples obtained in San San Francisco Bay, California from 1983-2010. Categories: Data; Tags: Aquatic Biology, CMHRP, Coastal and Marine Hazards and Resources Program, Habitat, Invertebrates, All tags... Marine Geology, PCMSC, Pacific Coastal and Marine Science Center, San Francisco Bay, Substrate, U.S. Geological Survey, USGS, animals, bay, benthic foraminifera, biota, environment, foraminifera, geoscientificInformation, invertebrates, organisms, protists, sediment deposition, society, Fewer tags Structure-from-Motion (SfM) surface models derived from seafloor video from the Channel Islands, California Structure-from-Motion (SfM) surface models were created using seafloor video collected over a visible fault scarp in the Channel Islands, California, during a 2016 U.S. Geological Survey (USGS) field activity. Four SfM surface models were created, each with a different combination of locating, scaling, and optimizing methods. Video imagery was collected using the USGS Pacific Coastal and Marine Science Center's BOBSled, equipped with high-definition (720p) video cameras (video published in Coastal and Marine Geology Program video and photo portal, Golden and others, 2015). The sled was towed behind the R/V Shearwater and shipboard GPS locations were recorded every 1 second in the video's audio channel. The models... Tags: Bathymetry and Elevation, CMGP, Channel Islands, Channel Islands National Park, Coastal and Marine Geology Program, All tags... Marine Geology, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Remote Sensing, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, data processing, elevation, geospatial datasets, image mosaics, marine geophysics, oceans, remote sensing, sea-floor characteristics, seabed, videography, Fewer tags Coastal Storm Modeling System (CoSMoS) The Coastal Storm Modeling System (CoSMoS) makes detailed predictions (meter-scale) over large geographic scales (100s of kilometers) of storm-induced coastal flooding and erosion for both current conditions and future SLR scenarios, and in many locations, there are additional products for long-term shoreline change, cliff retreat, and groundwater hazards.  Resulting projections for future climate scenarios (sea-level rise and storms) provide emergency responders and coastal planners with critical storm-hazards information that can be used to increase public safety and mitigate physical damages to reduce risk, and more effectively manage and allocate resources to increase resilience in response to a changing climate... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Beaches, CMG, CMGP, California, Cliffs, All tags... Climate Change, Coastal and Marine Geology, Erosion, Extreme Weather, Floods, Hazards Planning, Ocean Waves, Ocean Winds, PCMSC, Pacific Coastal and Marine Science Center, Sea-Level Rise, Storm Surge, Storms, U.S. Geological Survey, USGS, environmental justice, Fewer tags Grain-size data from core S3-15G, Monterey Fan, Central California This data release supersedes version 1.0, published in October 2021 at https://doi.org/10.5066/F74F1NW7. Versioning details are documented in the accompanying VersionHistory_P9DZ321R.txt file. This data release presents sediment grain-size data from samples collected from core S3-15G, a 4.72-m long gravity core collected at a depth of 3,491 meters on the western levy of the Monterey Fan on May 31, 1978 (USGS Field Activity S-3-78-SC). Categories: Data; Tags: Assessments, CMHRP, Coastal and Marine Hazards and Resources Program, Loran-C navigation, Monterey Bay, All tags... Monterey Fan, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Sedimentology, State of California, Substrate, U.S. Geological Survey, USGS, core analysis, drilling and coring, environment, grain-size analysis, laboratory methods, marine geology, oceans, sea-floor characteristics, sediment analysis, sedimentology, Fewer tags Time-series oceanographic data from the Monterey Canyon, CA October 2015 - March 2017 Time-series data of water depth, velocity, turbidity, and temperature were acquired between 5 October 2015 and 21 March 2017 within the Monterey Canyon off of Monterey, CA, USA. In order to better understand the triggering, progression and evolution of turbidity currents in Monterey Submarine Canyon, an experiment was designed to directly measure velocity, suspended sediment and physical water properties (temperature, salinity and density) along the canyon axis during an 18-month period. Three moorings in the upper canyon (MS1, MS2, MS3) containing oceanographic instruments and Anderson- type sediment traps were deployed during three consecutive six-month periods (A: October 2015 - April 2016; B: April - October... Categories: Data; Tags: CMGP, CONDUCTIVITY, CTD, CTD measurement, CURRENT METERS, All tags... Coastal and Marine Geology Program, Geophysics, Monterey Canyon, OCEAN CURRENTS, Oceans, PCMSC, PRESSURE SENSORS, Pacific Coastal and Marine Science Center, SALINITY, SEDIMENT TRANSPORT, State of California, TIDAL HEIGHT, U.S. Geological Survey, USA, USGS, WATER DEPTH, WATER PRESSURE, WATER TEMPERATURE, WAVE HEIGHT, WAVE HEIGHT GAUGES, Water Column Features, Water Quality, geoscientificInformation, marine water quality, physical oceanography, time series datasets, water level measurements, wave observations, Fewer tags Hydrodynamic, sediment transport, and sediment flocculation data from south San Francisco Bay, California, summer 2020 The U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center collected hydrodynamic and suspended sediment flocculation data at channel and shallow water sites in south San Francisco Bay in July 2020. The data were used to determine water column stratification, turbulence profiles, and floc size evolution. The goal of this project was to bound the controls on floc size and floc settling velocity to improve estimates of sediment fluxes and consider error in numerical models of sediment transport in San Francisco Bay. This data release includes hydrodynamic, sediment concentration, and particle size timeseries during July 2020, as well as sediment bed properties, water column particle size distributions,... Tags: Hydrology, Marine Geology Radiocarbon age dating of biological material from cores collected off British Columbia, Canada and southeastern Alaska, U.S. along the Queen Charlotte-Fairweather fault zone Results of radiocarbon age dating of planktic foraminifera, benthic foraminifera, and pelecypod shell fragments collected from piston cores, trigger weight cores, and IKU grab samples obtained in 2015 and 2017 offshore British Columbia, Canada and southeastern Alaska, U.S. along the Queen Charlotte-Fairweather fault zone. Categories: Data; Tags: British Columbia, CMHRP, Canada, Coastal and Marine Hazards and Resources Program, Dixon Entrance, All tags... Habitat, Marine Geology, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, State of Alaska, Stratigraphy, U.S. Geological Survey, USGS, animals, benthic foraminifera, carbon-14 analysis, chemical analysis, chemical oceanography, environment, foraminifera, fragile ecosystems, geochemistry, geoscientificInformation, invertebrates, marine chemistry, mollusks, oceans, organisms, planktic foraminifera, protists, radiometric dating, Fewer tags Geochemistry of ferromanganese crusts, nodules, and hydrothermally altered rocks from the Arctic Ocean Ferromanganese crusts, nodules, and hydrothermally altered rocks were collected via dredge within the Amerasia Basin in the Arctic Ocean during USCGC icebreaker Healy cruises HLY0805, HLY0905, and HLY1202 in 2008, 2009, and 2012 respectively. Dredged samples were donated and sent to USGS for subsampling and major and trace element geochemical analyses. Major and trace element data as well as location information (latitude, longitude, depth) for each sample are provided here. Categories: Data; Tags: Arctic Ocean, Assessments, CMHRP, Coastal and Marine Hazards and Resources Program, Energy Resources, All tags... Geochemistry, Global Ocean Mineral Resources, Material Resources, Mineral Resources, Mineral Resources, Nonliving Resources, PCMSC, Pacific Coastal and Marine Science Center, Physical/Chemical Features, U.S. Coast Guard, U.S. Geological Survey, USCG, USGS, chemical analysis, chemical analysis, dredge sampling, earth sciences, geochemistry, geoscientificInformation, marine geology, mass spectroscopy, metallic mineral resources, mineral resources, oceans, sediment geochemistry, Fewer tags Inorganic compositional data for fine-grained Puget Sound sediment along the Burlington Northern Santa Fe rail line, September 2015 Nearshore surface sediment was collected with a petit ponar grab sampler between April 22 and September 17, 2015, at five sites in Puget Sound, Washington. Four sites were adjacent to the Burlington Northern Santa Fe rail line in urban and non-urban areas, and one site was in an urban area that was not adjacent to the rail line. Total and near-total major, minor, trace, and rare earth element contents of the <0.063 mm sediment fraction were determined by inductively coupled plasma atomic emission spectroscopy and mass spectroscopy. These data accompany Takesue, R.K., and Campbell, P.L., 2019, Contaminant baselines and sediment provenance along the Puget Sound Energy Transport Corridor, 2015: U.S. Geological Survey... Categories: Data; Tags: Chuckanut Bay, Geochemistry, Heavy metal pollution, Nisqually River, Padilla Bay, All tags... Saltwater State Park, Sediment geochemistry, Snohomish River, Substrate, environment, geoscientificInformation, grab sampling, mass spectroscopy, rare earth elements, toxic trace element contamination, Fewer tags Water level and velocity measurements from the 2012 University of Western Australia Fringing Reef Experiment (UWAFRE) This data release contains water level and velocity measurements from wave runup experiments performed in a laboratory flume setting. Wave-driven water level variability (and runup at the shoreline) is a significant cause of coastal flooding induced by storms. Wave runup is challenging to predict, particularly along tropical coral reef-fringed coastlines due to the steep bathymetric profiles and large bottom roughness generated by reef organisms. The 2012 University of Western Australia Fringing Reef Experiment (UWAFRE) measured water levels and velocities for sixteen wave and offshore (still) water level conditions on a 1:36 geometric scale fringing reef profile with and without bottom roughness. Experiments were... Tags: CMGP, Coastal and Marine Geology Program, Geophysics, PCMSC, Pacific Coastal and Marine Science Center, All tags... U.S. Geological Survey, USGS, coastal processes, coral reefs, flooding, geoscientificInformation, hazards, laboratory experiments, ocean sciences, oceans, reef, scale modeling, water column features, water level measurements, waves, Fewer tags