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Wave observations from nearshore bottom-mounted pressure sensors in Skagit and Bellingham Bays, Washington, USA from Dec 2017 to Feb 2018 RBRduo pressure and temperature sensors, mounted on aluminum frames, were moored in shallow (< 6 m) water depths in Skagit and Bellingham Bays, Washington, USA, from December 2017 to February 2018, to capture wave heights and periods. Continuous pressure fluctuations are transformed into surface-wave observations of wave heights, periods, and frequency spectra at 30-minute intervals. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMGP, Coastal and Marine Geology Program, Marine Geology, Oceans, PCMSC, All tags... Pacific Coastal and Marine Science Center, Skagit County, Skagit River, State of Washington, U.S. Geological Survey, USGS, Whatcom County, currents, geoscientificInformation, ocean temperature, physical oceanography, salinity, waves, Fewer tags Orthomosaic imagery for the intertidal zone at Post Point, Bellingham Bay, WA, 2019-06-06 This portion of the data release presents a high-resolution orthomosaic images of the intertidal zone at Post Point, Bellingham Bay, WA. The orthomosaics were derived from structure-from-motion (SfM) processing of aerial imagery collected with an unmanned aerial system (UAS) on 2019-06-06. The orthomosaics are presented with two resolutions: one image, covering the entire survey area, has a resolution of 2 centimeters per pixel; the other image which was derived from a lower-altitude flight, covers an inset area within the main survey area and has a resolution of 1 centimeter per pixel. The raw imagery used to create the orthomosaics was acquired using a UAS fitted with a Ricoh GR II digital camera featuring a global... 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 Channel Cross Sections of the Nooksack River near North Cedarville, WA, 2017-2021 This data release contains channel cross sections of the Nooksack River near North Cedarville, WA, collected during routine streamgaging and discharge measurement efforts at USGS streamgage 12210700. All cross sections were collected using an acoustic doppler current profiler (ADCP) from the downstream side of the Highway 542 bridge. Raw ADCP measurement data were processed using a combination of WinRiver II and AreaComp2. The mean gage height during the measurement was used to convert ADCP depth measurements into elevations relative to the gage datum. The known offset between local gage datum and the North American Vertical Datum of 1988 (NAVD88) was further used to convert gage datum elevations to absolute elevations... Categories: Data; Tags: Bathymetry and Elevation, Geomorphology, Nooksack River, North Cedarville, USGS Science Data Catalog (SDC), All tags... Washington, Whatcom County, elevation, field activity logs, geoscientificInformation, inlandWaters, Fewer tags Eelgrass and substrate characteristics in Bellingham Bay, Washington, July 2019 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. Categories: Data; Tags: Aquatic vegetation, Bay, Bellingham Bay, CMHRP, Carbon isotope analysis, All tags... 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, State of Washington, Substrate, Tidal flat, U.S. Geological Survey, USGS, Whatcom County, environment, geoscientificInformation, Fewer tags 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 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 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 Suspended sediment concentration and loads for the Nooksack River at Ferndale, Washington, 2012-2017 water years Turbidity was continuously monitored at the USGS streamgage Nooksack River at Ferndale (12213100) from October 29, 2011 to September 30, 2017. A DTS-12 turbidity sensor (Forest Technology Systems) at the streamgage measured turbidity at 15-minute intervals. Suspended-sediment samples were collected at the streamgage over a range of discharge and turbidity conditions. Regression equations were developed to estimate the suspended-sediment concentration (SSC) and the concentration of fine suspended-sediment (fSSC; <0.0625 mm) using turbidity as an explanatory variable. A 15-minute time series of SSC, fSSC, and the uncertainty of individual estimates (prediction intervals with 90 percent confidence) was computed and... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Whatcom County, suspended-sediment concentration, suspended-sediment load, turbidity Topographic point cloud for the intertidal zone at Post Point, Bellingham Bay, WA, 2019-06-06 This portion of the data release presents topographic point clouds of the intertidal zone at Post Point, Bellingham Bay, WA. The point clouds were derived from structure-from-motion (SfM) processing of aerial imagery collected with an unmanned aerial system (UAS) on 2019-06-06. Two point clouds are presented with different resolutions: one point cloud (PostPoint_2019-06-06_pointcloud.zip) covers the entire survey area and has 145,653,2221 points with an average point density of 1,057 points per-square meter; the other point cloud (PostPointHighRes_2019-06-06_pointcloud.zip) has 139,427,055 points with an average point density of 3,487 points per-square meter and was derived from a lower-altitude flight covering... 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 Topobathymetric Model of Puget Sound, Washington, 1887 to 2017 To support the modeling of storm-induced flooding, the USGS Coastal National Elevation Database (CoNED) Applications Project has created an integrated 1-meter topobathymetric digital elevation model (TBDEM) for Puget Sound. Puget Sound is located along the northwestern coast of Washington and is part of the Salish Sea. Puget Sound is the third largest estuary in the United States. High-resolution coastal elevation data is required to identify flood, storm, and sea-level rise inundation hazard zones and other earth science applications, such as the development of sediment transport and storm surge models. The new TBDEM consists of the best available multi-source topographic and bathymetric elevation data for Puget... Tags: 3D Elevation Program, 3DEP, Acoustic Sonar, BC, Bathymetric, All tags... Bathymetry, British Columbia, CA, Canada, City of Seattle, Clallam County, CoNED, Coastal National Elevation Database, Coastal Washington, Coastal Zone, Coastal and Marine Geology Program, Digital Elevation Model, Flood Inundation Modeling, Geography, Geomorphology, Grays Harbor County, Hydrologic Modeling, Hydrology, Island County, Jefferson County, King County, Kitsap County, Lewis County, LiDAR, Light Detection and Ranging, Marine Geology, Mason County, National Standards for Spatial Digital Accuracy, Pierce County, Puget Sound, Remote Sensing, San Juan County, Skagit County, Snohomish County, Thurston County, Topobathymetric, U.S., U.S. Geological Survey, US, USA, USGS, USGS Science Data Catalog (SDC), United States, WA, Washington, Washington, Whatcom County, Fewer tags Eelgrass distributions and bathymetry of Bellingham Bay, Washington, 2019 This data release presents eelgrass distributions and bathymetry data derived from acoustic surveys of Bellingham Bay, Washington. Survey operations were conducted between February 16 and February 21, 2019 (USGS Field Activity Number 2019-606-FA) by a team of scientists from the U.S. Geological Survey Pacific Coastal and Marine Science Center and Washington State Department of Ecology. Eelgrass and bathymetry data were collected from the R/V George Davidson equipped with a single-beam sonar system and global navigation satellite system (GNSS) receiver. The sonar system consisted of a Biosonics DT-X single-beam echosounder and 420 kHz transducer with a 6-degree beam angle. Depths from the echosounder were computed... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Coastal and Marine Hazards and Resources Program, Echo Sounders, Ecology, All tags... GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Marine Geology, Nooksack River, PCMSC, Pacific Coastal and Marine Science Center, Puget Sound, Salish Sea, U.S. Geological Survey, USGS, USGS Coastal Habitats in Puget Sound Project (CHIPS), Water Depth, Whatcom County, aquatic vegetation, bathymetry, bathymetry measurement, elevation, marine geophysics, sea-floor characteristics, single-beam echo sounder, Fewer tags Suspended sediment concentration and loads in the Nooksack River Basin, northwest Washington This data release contains time series data of suspended-sediment concentration and loads determined at five USGS streamgages in the Nooksack River Basin, Whatcom County, Washington: Nooksack River at Ferndale (12213100), Nooksack River at North Cedarville (12210700), North Fork Nooksack River below Cascade Creek near Glacier (12205000 ), Middle Fork Nooksack River near Deming (12208000), and South Fork Nooksack River at Saxon Road (12210000). For each streamgage, a 15- or 60-minute time series of suspended sediment concentration are computed from turbidity-based regression equations, and daily suspended sediment loads are calculated as the product of suspended sediment concentration and discharge multiplied by... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: USGS Science Data Catalog (SDC), Whatcom County, suspended sediment, turbidity Suspended sediment concentration and loads for the Middle Fork Nooksack River near Deming, Washington, 2014-2017 water years Turbidity was continuously monitored at the USGS streamgage Middle Fork Nooksack River near Deming (12208000) from November 2, 2013 to September 30, 2017. A DTS-12 turbidity sensor (Forest Technology Systems) at the streamgage measured turbidity at 15-minute intervals. Suspended-sediment samples were collected at the streamgage over a range of discharge and turbidity conditions. Regression equations were developed to estimate the suspended-sediment concentration (SSC) and the concentration of fine suspended-sediment (fSSC; <0.0625 mm) using turbidity as an explanatory variable. A 15-minute time series of SSC, fSSC, and the uncertainty of individual estimates (prediction intervals with 90 percent confidence) was... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Whatcom County, suspended-sediment concentration, suspended-sediment load, turbidity Suspended sediment concentration and loads for the North Fork Nooksack River below Cascade Creek near Glacier, Washington, June 26, 2015 to October 31, 2016 Suspended-sediment samples were collected by NIT and USGS at the USGS streamgage North Fork Nooksack River below Cascade Creek near Glacier (12205000) from June 2015 to October 2016 over a range of discharge and turbidity conditions. Regression equations were developed to estimate the suspended-sediment concentration (SSC) and the concentration of fine suspended-sediment (fSSC; <0.0625 mm) using turbidity as an explanatory variable. An hourly time series of SSC, fSSC, and the uncertainty of individual estimates (prediction intervals with 90 percent confidence) was computed and is provided. A daily time series of suspended-sediment load (SSL) and fine suspended-sediment load (fSSL) derived from hourly SSC and discharge... Categories: Data; Tags: Whatcom County, suspended-sediment concentration, suspended-sediment load Suspended sediment concentration and loads for the South Fork Nooksack River at Saxon Road, Washington, 2010-2016 water years Suspended-sediment samples were collected by USGS and NIT at the USGS streamgage South Fork Nooksack River at Saxon Road (12210000) from July 2010 to February 2016 over a range of discharge and turbidity conditions. Regression equations were developed to estimate the suspended-sediment concentration (SSC) and the concentration of fine suspended-sediment (fSSC; <0.0625 mm) using turbidity as an explanatory variable. An hourly time series of SSC, fSSC, and the uncertainty of individual estimates (prediction intervals with 90 percent confidence) was computed and is provided. A daily time series of suspended-sediment load (SSL) and fine suspended-sediment load (fSSL) derived from hourly SSC and discharge data, was computed... Categories: Data; Tags: Whatcom County, suspended-sediment concentration, suspended-sediment load Wave observations from bottom-mounted pressure sensors in Bellingham Bay, Washington from Dec 2017 to Jan 2018 RBRduo pressure and temperature sensors (early 2015 generation), mounted on aluminum frames, were moored in shallow (< 6 m) water depths in Bellingham Bay, Washington, to capture wave heights and periods. Continuous pressure fluctuations are transformed into surface-wave observations of wave heights, periods, and frequency spectra at 30-minute intervals. Categories: Data; Tags: Bellingham Bay, CMHRP, Coastal and Marine Hazards and Resources Program, Distributions, Oceans, All tags... PCMSC, Pacific Coastal and Marine Science Center, State of Washington, U.S. Geological Survey, USGS, Water Column Features, Whatcom County, field inventory and monitoring, geoscientificInformation, ocean sciences, ocean temperature, ocean waves, physical oceanography, waves, Fewer tags Wave observations from bottom-mounted pressure sensors in Skagit Bay, Washington from Dec 2017 to Feb 2018 RBRduo pressure and temperature sensors (early 2015 generation), mounted on aluminum frames, were moored in shallow (< 6 m) water depths in Skagit Bay to capture wave heights and periods. Continuous pressure fluctuations are transformed into surface-wave observations of wave heights, periods, and frequency spectra at 30-minute intervals. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Distributions, Oceans, PCMSC, All tags... Pacific Coastal and Marine Science Center, Skagit Bay, Skagit County, Skagit River, State of Washington, U.S. Geological Survey, USGS, Water Column Features, Whatcom County, field inventory and monitoring, geoscientificInformation, ocean sciences, ocean temperature, ocean waves, physical oceanography, waves, Fewer tags Ground control point locations for UAS survey of the intertidal zone at Post Point, Bellingham Bay, WA, 2019-06-06 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 zone at Post Point, Bellingham Bay, WA on 2019-06-06. Nineteen 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 5 kilometers... Categories: Data; 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 Aerial imagery from UAS survey of the intertidal zone at Post Point, Bellingham Bay, WA, 2019-06-06 This portion of the data release presents the raw aerial imagery collected during an Unmanned Aerial System (UAS) survey of the intertidal zone at Post Point, Bellingham Bay, WA, on 2019-06-06. 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. The UAS was flown on pre-programmed autonomous flight lines which were oriented roughly shore-parallel and were spaced to provide approximately 70 percent overlap between images from adjacent lines. Three flights (F01, F02, F03) covering the survey area were... 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 Substrate properties for invertebrate comparisons in Bellingham Bay, Washington, July 2019 and July-August 2020 Sediment grain-size distributions and total organic carbon contents were measured at four intertidal sites and three subtidal sites along the urban waterfront (east shore) of Bellingham Bay, Washington, July 3-11, 2019 and June 6-August 31, 2020. Intertidal substrate was sampled in eelgrass beds, and subtidal substrate was sampled inside and outside of the deep edge of eelgrass beds. Categories: Data; Tags: Bay, Bellingham Bay, CMHRP, Coastal and Marine Hazards and Resources Program, Grain-size analysis, All tags... Habitat, PCMSC, Pacific Coastal and Marine Science Center, Physical and chemical characteristics of habitats, Seagrass beds, Sediment, State of Washington, Substrate, Tidal flat, U.S. Geological Survey, USGS, Whatcom County, environment, geoscientificInformation, Fewer tags 1 2 »