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Eelgrass and substrate characteristics in Bellingham Bay, Washington, July 2019 and July-August 2020 Eelgrass (Zostera marina) characteristics, sediment grain size distributions, sediment total organic carbon contents (TOC), carbon isotope ratios of sediment organic matter, and total carbon to total nitrogen ratios were measured at four lower intertidal sites in Bellingham Bay, Washington, July 2-5, 2019, and three subtidal sites (grain-size and TOC only) on July 11, 2019. Categories: Data; Tags: Aquatic Biology, Aquatic vegetation, Bay, Bellingham Bay, CMHRP, All tags... Carbon isotope analysis, Coastal and Marine Hazards and Resources Program, Grain-size analysis, Habitat, PCMSC, Pacific Coastal and Marine Science Center, Physical and chemical characteristics of habitats, Seagrass beds, Sediment, Sedimentology, Substrate, Tidal flat, U.S. Geological Survey, USGS, Washington State, Whatcom County, environment, geoscientificInformation, Fewer tags Model parameter input files to study three-dimensional flow over coral reef spur-and-groove morphology This data set consists of physics-based Delft3D-FLOW and SWAN hydrodynamic models input files used to study the wave-induced 3D flow over spur-and-groove (SAG) formations. SAG are a common and impressive characteristic of coral reefs. They are composed of a series of submerged shore-normal coral ridges (spurs) separated by shore-normal patches of sediment (grooves) on the fore reef of coral reef environments. Although their existence and geometrical properties are well documented, the literature concerning the hydrodynamics around them is sparse. Here, the three-dimensional flow patterns over SAG formations, and a sensitivity of those patterns to waves, currents, and SAG geometry were examined. Shore-normal shoaling... Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Geomorphology, Marine Geology, PCMSC, All tags... Pacific Coastal and Marine Science Center, U.S. Geological Survey, USGS, coastal processes, coastal processes, coral reefs, geoscientificInformation, hazards, numerical modeling, oceans, reef, water circulation, water column features, waves, Fewer tags MGL1111bathyutm.sd: Multibeam bathymetry data collected by the U.S. Geological Survey in the Bering Sea in 2011 during cruise MGL1111, 100-meter gridded data in Fledermaus digital terrain format, UTM coordinate system This raster dataset represents approximately 49,581 square kilometers of Simrad EM122 multibeam backscatter-intensity data collected in the Bering Sea during U.S. Geological Survey (USGS) cruise MGL1111 aboard the R/V Marcus G. Langseth. Calibrated backscatter-intensity time-series data were adjusted for range-angle, beam pattern, and power-gain distortions. Types: Citation; Tags: Bathymetry and Elevation, CMHRP, Coastal and Marine Hazards and Resources Program, Dutch Harbor, PCMSC, All tags... Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, U.S. Geological Survey, USGS, bathymetry, continental shelf, environment, geoscientificInformation, geospatial datasets, marine geophysics, marine geophysics, multibeam echo sounder, multibeam sonar, oceans, seismic methods, Fewer tags MGL1109backutm.tif: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in GeoTIFF format, UTM 6 coordinates This raster dataset represents approximately 69,060 square kilometers of Simrad EM122 multibeam-backscatter data collected in the Gulf of Alaska during U.S. Geological Survey (USGS) cruise MGL1109 aboard the R/V Marcus G. Langseth. The data have been reduced for position, elevation, orientation, water-column sound-speed, and refraction effects. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Aleutian Basin, Aleutian Trench, Baranof Fan, Bering Sea, Bowers Ridge, All tags... Bowie Seamount, CMHRP, Coastal and Marine Hazards and Resources Program, Dutch Harbor, Extended Continental Shelf, Gulf of Alaska, Kodiak Island, Kodiak Seamount, PCMSC, Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, Shirshov Ridge, Substrate, Surveyor Fan, U.S. Geological Survey, USGS, Umnak Plateau, backscatter intensity, continental shelf, environment, geoscientificInformation, geospatial datasets, image mosaics, marine geophysics, marine geophysics, multibeam echo sounder, multibeam sonar, oceans, sea-floor acoustic reflectivity, sea-floor characteristics, Fewer tags Marine mineral geochemical data - Part One: Pacific Ocean USGS-affiliated historical data This data release compiles element composition data for more than 600 deep-ocean mineral samples from more than 25 research cruises in the Pacific Ocean since 1979 that involved USGS researchers. Deep-ocean mineral sample types encompassed in this data release include ferromanganese crusts, manganese nodules, phosphorites, and hydrothermal minerals. This data release is comprised of both unpublished as well as previously published data and reports and includes analytical methods and instrument detection limits whenever available. Categories: Data; Tags: Assessments, CMHRP, Coastal and Marine Hazards and Resources Program, Economic Geology, Energy Resources, All tags... Geochemistry, Global Ocean Mineral Resources, Marine Geology, Material Resources, Mineral Resources, Mineral Resources, Nonliving Resources, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Physical/Chemical Features, U.S. Geological Survey, 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 Results from isotope analysis of authigenic carbonates collected offshore the U.S. Mid- and South Atlantic Geochemical analysis of carbonate rock samples collected from seep fields on the RB1903 and AT41 research expeditions in the U.S. Mid- and South Atlantic. Samples were collected as a fingerprint to past hydrocarbon seep activity, fluid source, and depositional environment. Categories: Data; Tags: Atlantic Ocean, CMHRP, Coastal and Marine Hazards and Resources Program, Habitat, PCMSC, All tags... Pacific Coastal and Marine Science Center, U.S. Geological Survey, USGS, chemical analysis, environment, gas hydrate resources, geochemistry, geochemistry, geoscientificInformation, light stable isotopic analysis, methanogens, oceans, Fewer tags Ship navigation tracklines from a 2017 multibeam survey near Noyes Submarine Canyon, southeast Alaska These metadata describe ship navigation tracklines from a 2017 multibeam echosounder survey near Noyo Submarine Canyon and Dixon Entrance, southeast Alaska. Data were collected by the National Oceanic and Atmospheric Administration (NOAA) aboard the NOAA survey vessel Fairweather and the data were post-processed by the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) for PCMSC research projects. The tracklines are provided as a GIS shapefile. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Distributions, Dixon Entrance, Noyes Canyon, All tags... PCMSC, Pacific Coastal and Marine Science Center, State of Alaska, U.S. Geological Survey, USGS, field observation, geoscientificInformation, geospatial datasets, marine geophysics, navigation, navigational data, polyline shapefile, tracklines, Fewer tags Multibeam bathymetry data collected in 2017 and 2018 of Noyes Submarine Canyon and vicinity, southeast Alaska This section of the data release provides bathymetry data collected during 2017 and 2018 multibeam echosounder surveys of Noyes Submarine Canyon and vicinity, southeast Alaska. Data were collected by the National Oceanic and Atmospheric Administration (NOAA) aboard the NOAA survey vessel Fairweather (NOAA survey D00208, Report for D00208 (noaa.gov) and NOAA survey D00245, Report for D00245 (noaa.gov)). Data provided in this data release were post-processed by U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) for scientific geohazard projects. The bathymetry data are provided as a GeoTIFF image. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Bathymetry, Bathymetry and Elevation, CMHRP, Coastal and Marine Hazards and Resources Program, Dixon Entrance, All tags... Noyes Canyon, PCMSC, Pacific Coastal and Marine Science Center, Seafloor Topography, State of Alaska, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, field observation, geoscientificInformation, geospatial datasets, marine geophysics, multibeam sonar, sea-floor characteristics, seabed, Fewer tags Multibeam acoustic-backscatter data collected in 2017 and 2018 of Noyes Submarine Canyon and vicinity, southeast Alaska This section of the data release provides acoustic-backscatter data collected during 2017 and 2018 multibeam echosounder surveys of Noyes Submarine Canyon and vicinity, southeast Alaska. Data were collected by the National Oceanic and Atmospheric Administration (NOAA) aboard the NOAA survey vessel Fairweather (NOAA survey D00208, Report for D00208 (noaa.gov) and NOAA survey D00245, Report for D00245 (noaa.gov)). Data provided in this data release were post-processed by U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) for scientific geohazard projects. The acoustic-backscatter data are provided as a GeoTIFF image. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Bathymetry, CMHRP, Coastal and Marine Hazards and Resources Program, Distributions, Dixon Entrance, All tags... Noyes Canyon, PCMSC, Pacific Coastal and Marine Science Center, Seafloor Topography, State of Alaska, U.S. Geological Survey, USGS, field observation, geoscientificInformation, geospatial datasets, image mosaics, marine geophysics, multibeam sonar, sea-floor acoustic reflectivity, sea-floor characteristics, seabed, Fewer tags Conductivity-Temperature-Depth (CTD) profile data in the National Park of American Samoa, Tutuila, American Samoa, 2015 Spatial surveys of water column physical properties were acquired with a conductivity-temperature-depth (CTD) profiler for four days in February 2015 and one day in July 2015 off the north coast of the island of Tutuila, American Samoa in support of a study on the coastal circulation patterns within and in the vicinity of the National Park of American Samoa. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMGP, CONDUCTIVITY, CORAL REEFS, Coastal and Marine Geology Program, DENSITY, All tags... National Park of American Samoa, OCEAN CURRENTS, Oceans, PCMSC, PYCNOCLINE, Pacific Coastal and Marine Science Center, SALINITY, SUSPENDED SOLIDS, Samoa Islands, THERMOCLINE, Territory of American Samoa, Tutuila Island, U.S. Geological Survey, USGS, WATER TEMPERATURE, Water Column Features, geoscientificInformation, marine water quality, physical oceanography, time series datasets, Fewer tags Dynamically downscaled future wave projections from SWAN model results for the main Hawaiian Islands Projected wave climate trends from WAVEWATCH3 model output were used as input for nearshore wave models (for example, SWAN) for the main Hawaiian Islands to derive data and statistical measures (mean and top 5 percent values) of wave height, wave period, and wave direction for the recent past (1996-2005) and future projections (2026-2045 and 2085-2100). Three-hourly global climate model (GCM) wind speed and wind direction output from four different GCMs provided by the Coupled Model Inter-Comparison Project, phase 5 (CMIP5), were used as boundary conditions to the physics-based WAVEWATCH3 numerical wave model for the area encompassing the main Hawaiian islands. Two climate change scenarios for each of the four GCMs... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, PCMSC, Pacific Coastal and Marine Science Center, U.S. Geological Survey, All tags... USGS, coastal processes, coastal processes, coral reefs, flooding, geoscientificInformation, hazards, numerical modeling, oceans, reef, water column features, water level, waves, Fewer tags Geochemistry of surface sediment and sediment cores in Bellingham Bay, Whatcom County, Washington, in February 2020 Geochemical data are reported for surface sediments and long sediment cores from Bellingham Bay, Whatcom County, Washington, collected in early February 2020 after flood conditions on the Nooksack River. Data include total organic carbon content (TOC), carbonate content (CaCO3), ratios of stable carbon 13/12 isotopes (d13C), ratios of total carbon to total nitrogen (C:N), short-lived cosmogenic radionuclide activities (Beryllium-7, Cesium-137, and excess Lead-210), and elemental chemistry. Categories: Data; Tags: Bellingham Bay, CMHRP, Coastal and Marine Hazards and Resources Program, Geochemistry, Mercury analysis, All tags... Nooksack River, PCMSC, Pacific Coastal and Marine Science Center, Radiometric dating, Sediment geochemistry, Stable isotope analysis, Substrate, U.S. Geological Survey, USGS, Whatcom County, environment, geochemistry, geoscientificInformation, grab sampling, mass spectroscopy, rare earth elements, toxic trace element contamination, Fewer tags Model parameter input files to compare the influence of coral reef carbonate budgets on alongshore variations in wave-driven total water levels on Buck Island Reef National Monument A set of physics-based XBeach Non-hydrostatic hydrodynamic model simulations (with input files here included) were used to evaluate how varying carbonate budgets, and thus coral reef accretion and degradation, affect alongshore variations in wave-driven water levels along the adjacent shoreline of Buck Island Reef National Monument (BUIS) for a number of sea-level rise scenarios, specifically during extreme wave conditions when the risk for coastal flooding and the resulting impact to coastal communities is greatest. These input files accompany the modeling conducted for the following publication: Toth, L.T., Storlazzi, C.D., Kuffner, I.B., Quataert, E., Reyns, J., McCall, R.T., Stathakopoulos, A., Hillis-Starr,... Categories: Data; Tags: Bathymetry and Elevation, CMHRP, Climatology, Coastal and Marine Hazards and Resources Program, Ecology, All tags... Geomorphology, Marine Geology, PCMSC, Pacific Coastal and Marine Science Center, U.S. Geological Survey, USGS, coastal processes, coastal processes, coral reefs, geoscientificInformation, hazards, numerical modeling, oceans, reef, water circulation, waves, Fewer tags Aerial imagery from UAS survey of the intertidal zone at Lone Tree Point, Kiket Bay, WA, 2019-06-05 This portion of the data release presents the raw aerial imagery collected during the Unmanned Aerial System (UAS) survey of the intertidal zone at Lone Tree Point, Kiket Bay, WA, on 2019-06-05. The imagery was acquired using a Department of Interior-owned 3DR Solo quadcopter fitted with a Ricoh GR II digital camera featuring a global shutter. The camera was mounted using a fixed mount on the bottom of the UAS and oriented in an approximately nadir orientation. For flights F01, F02, F03, F04, and F05 the UAS was flown on pre-programmed autonomous flight lines at an approximate altitude of 70 meters above ground level (AGL), resulting in a nominal ground-sample-distance (GSD) of 1.8 centimeters per pixel. The flight... Tags: Bathymetry and Elevation, CHMRP, Coastal and Marine Hazards and Resources Program, Kiket Bay, Lone Tree Point, All tags... PCMSC, Pacific Coastal and Marine Science Center, Salish Sea, Skagit Bay, Skagit County, State of Washington, Structure-from-motion, Swinomish Reservation, U.S. Geological Survey, UAS, USGS, Unmanned aerial system, aerial and satellite photography, aerial photography, altimetry, coastal processes, elevation, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, topographic maps, topography, Fewer tags Structure-from-motion point cloud of Mud Creek, Big Sur, California, 2017-06-26 Presented here is a point cloud collected by the U.S. Geological Survey (USGS) using an oblique plane-mounted camera system, covering the area of the Mud Creek landslide on California State Route 1 (SR1), Mud Creek, Big Sur, California. The point cloud is referenced to previously published lidar data and contains RGB information as well as XYZ. Point cloud coordinates are in NAD83 UTM Zone 10 meters. Imagery was collected with a Nikon D800 camera in RAW format and processed using structure-from-motion photogrammetry with Agisoft PhotoScan version 1.2.8 through 1.3.2. Pointclouds were clipped to an AOI using LASTools. The AOI was created from a KMZ in Google Earth and transformed to a shapefile using ArcMap 10.5. Tags: Bathymetry and Elevation, Big Sur, CMHRP, California, Cape San Martin, All tags... Central California Coastal, Coastal and Marine Hazards and Resources Program, Monterey, PCMSC, Pacific Coastal and Marine Science Center, U.S. Geological Survey, USGS, United States, Villa Creek, aerial and satellite photography, aerial photography, agents of coastal change, anthropogenic agents of coastal change, coastal change hazards topics, coastal landslides, coastal landsliding, coastal processes, coastal processes, coastal sediment budget, coastal zone management, effects of coastal change, elevation, geomorphology, geoscientificInformation, hazards, hazards and disasters, human responses to coastal change, image analysis, image collections, imageryBaseMapsEarthCover, landslides, remote sensing, topography, transportation, Fewer tags Digital surface models (DSMs) for the intertidal zone at Post Point, Bellingham Bay, WA, 2019-06-06 This portion of the data release presents digital surface models (DSMs) and hillshade images of the intertidal zone at Post Point, Bellingham Bay, WA. The DSMs were derived from structure-from-motion (SfM) processing of aerial imagery collected with an unmanned aerial system (UAS) on 2019-06-06. Unlike a digital elevation model (DEM), the DSMs represent the elevation of the highest object within the bounds of a cell. Vegetation, buildings and other objects have not been removed from the data. In addition, data artifacts resulting from noise in the original imagery have not been removed. The DSMs are presented with two resolutions: one DSM, covering the entire survey area, has a resolution of 4 centimeters per pixel;... Tags: Bathymetry and Elevation, Bellingham, Bellingham Bay, CHMRP, Coastal and Marine Hazards and Resources Program, All tags... Fairhaven, PCMSC, Pacific Coastal and Marine Science Center, Post Point, Puget Sound, Salish Sea, SfM, South Bellingham, State of Washington, Structure-from-motion, U.S. Geological Survey, UAS, USGS, Unmanned aerial system, Whatcom County, aerial and satellite photography, aerial photography, altimetry, coastal processes, elevation, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, topographic maps, topography, Fewer tags Ground control point locations for UAS survey of the intertidal zones at Puget Creek and Dickman Mill Park, Tacoma, WA, 2019-06-03 This portion of the data release presents the locations of the temporary ground control points (GCPs) used for the structure-from-motion (SfM) processing of the imagery collected during an unmanned aerial system (UAS) survey of the intertidal zones at Puget Creek and Dickman Mill Park, Tacoma, WA, on 2019-06-03. Twelve temporary ground control points (GCPs) were distributed throughout each survey area to establish survey control. The GCPs consisted of a combination of small square tarps with black-and-white cross patterns and "X" marks placed on the ground using temporary chalk. The GCP positions were measured using post-processed kinematic (PPK) GPS, using corrections from a GPS base station located approximately... Categories: Data; Tags: Bathymetry and Elevation, CHMRP, Coastal and Marine Hazards and Resources Program, Commencement Bay, Dickman Mill, All tags... Dickman Mill Park, PCMSC, Pacific Coastal and Marine Science Center, Pierce County, Puget Creek, Puget Sound, Ruston, Salish Sea, SfM, State of Washington, Structure-from-motion, Tacoma, U.S. Geological Survey, UAS, USGS, Unmanned aerial system, aerial and satellite photography, aerial photography, altimetry, coastal processes, elevation, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, topographic maps, topography, Fewer tags Multibeam acoustic-backscatter data collected in 2015 near Cross Sound, southeast Alaska, during field activity 2015-629-FA In 2015 the U.S. Geological Survey, Pacific Coastal and Marine Science Center, in cooperation with the Alaska Department of Fish and Game (ADFG), collected bathymetry and acoustic-backscatter data near Cross Sound in southeast Alaska using a Reson 7111 multibeam echosounder mounded to the ADFG R/V Solstice. This section of the data release provides the acoustic-backscatter data as a GeoTIFF at 10-m spatial resolution. All files have accompanying FGDC metadata. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Bathymetry, CMHRP, Coastal and Marine Hazards and Resources Program, Cross Sound, Distributions, All tags... PCMSC, Pacific Coastal and Marine Science Center, Seafloor Topography, State of Alaska, U.S. Geological Survey, USGS, field observation, geoscientificInformation, geospatial datasets, image mosaics, marine geophysics, multibeam sonar, sea-floor acoustic reflectivity, sea-floor characteristics, seabed, Fewer tags Computed tomography (CT) scans of push cores from Loki's Castle and Favne vent fields, Mohns Ridge This portion of the data release presents computed tomography (CT) images from push cores collected from Loki's Castle and Favne vent fields, on the Mohns Ridge, in the Norwegian Sea. These data were collected in 2018 and 2019 (USGS Field Activity 2018-691-DD and 2019-624-FA). A Geotek Rotating X-Ray CT (RXCT) system was used to acquire x-ray images and perform CT reconstructions of unsplit core segments. The full three-dimensional data set consists of individual axial slices which are reconstructed images in TIFF format. These axial slices are oriented perpendicular to the long axis of the core. Two-dimensional orthogonal views are also provided that illustrate representative downcore slabs of each core. Geotek... Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Favne vent field, Greenland Sea, Loki's Castle vent field, All tags... Mineral Resources, Nonliving Resources, Norwegian Sea, PCMSC, Pacific Coastal and Marine Science Center, U.S. Geological Survey, USGS, core analysis, geoscientificInformation, marine geology, oceans, push coring, Fewer tags Geochemistry of sediment subsamples from Loki's Castle and Favne Vent Fields, Mohns Ridge This data release contains geochemical data of sediment subsamples collected in 2018 and 2019 from Loki’s Ridge and Favne Vent Fields, Mohns Ridge, part of the Arctic Mid-Atlantic Ridge. Data include major, minor and trace element concentrations, location information (latitude, longitude, depth), analytical methods, and instrument detection limits where available. Categories: Data; Tags: Arctic Mid Atlantic Ridge, Arctic Ocean, Assessments, CMHRP, Coastal and Marine Hazards and Resources Program, All tags... Favne Vent Field, Global Ocean Mineral Resources, Greenland Sea, Loki's Castle Vent Field, Material Resources, Mineral Resources, Mohns Ridge, Nonliving Resources, Norwegian Sea, PCMSC, Pacific Coastal and Marine Science Center, Physical/Chemical Features, U.S. Geological Survey, USGS, chemical analysis, chemical analysis, earth sciences, geochemistry, geoscientificInformation, marine geology, mass spectroscopy, metallic mineral resources, mineral resources, oceans, push coring, sediment geochemistry, Fewer tags « 1 ... 3 4 5 6 7 ... 22 »