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Sediment size distributions from San Pablo Bay and China Camp Marsh, California As part of the hydrodynamic and sediment transport investigations in San Pablo Bay and China Camp Marsh, California, particle size distributions of bed sediments were measured at most instrumented stations and are presented in a comma-delimited values spreadsheet. This portion of the data release presents San Pablo Bay and China Camp Marsh sediment particle size distributions from samples collected during multiple instrument deployments. Users are advised to check the data carefully for sampling time, location, and reference information. Categories: Data; Tags: China Camp, Marin County, Oceans, San Francisco Bay, San Pablo Bay, All tags... Sediment, Sedimentation, Substrate, USGS:59c45772e4b017cf313bea5f, grain-size analysis, ocean processes, particle-size analysis, sediment transport, sediments, Fewer tags Suspended particle size distribution data from three locations in the Sacramento-San Joaquin Delta, California, 2017 to 2018 These data present suspended particle size distributions collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three locations in the Sacramento-San Joaquin Delta. Data were collected in Lindsey Slough on April 4 and April 18, 2017, and near the mouth of the Mokelumne River and in Middle River on March 14, 2018 by deploying a Sequoia Scientific Laser In-situ Scattering and Transmissometry instrument (LISST 100x) from a small vessel during the deployment of the hydrographic time series data instruments. At each site, data were collected 1 to 2 times, generally near the water surface, at mid depth, and near the sediment bed. These data were collected as part of a study on the... Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Invasive Species, Lindsey Slough, Middle River, All tags... Mokelumne River, PCMSC, Pacific Coastal and Marine Science Center, Sacramento-San Joaquin Delta, Sediment transport, Shallow-water habitat, State of California, Suspended-sediment concentration, Tidal shallows, U.S. Geological Survey, USGS, aquatic ecosystems, field observation, geoscientificInformation, marine water quality, physical oceanography, seabed, suspended material (water), water level measurements, wave observations, Fewer tags Acoustic backscatter data collected in 2007 from the San Miguel Passage in the Channel Islands, California This portion of the data release presents acoustic backscatter data from the San Miguel Passage, in the Channel Islands, California. The data were collected in August 2007 by the U.S. Geological Survey, Pacific Coastal and Marine Science Center (USGS, PCMSC) using a 234.5 kHz SEA (AP) Ltd. SWATHplus-M phase-differencing sidescan sonar mounted on the NOAA, Channel Islands National Marine Sanctuary R/V Shearwater as part of the research cruise S-2-07-SC. Data were collected in water depths up to 89 meters. The San Miguel Passage is within the Channel Islands National Marine Sanctuary and is the body of water between the two western-most islands of the chain - Santa Rosa and San Miguel Islands. The data were processed... Tags: Bathymetry and Elevation, CMGP, Channel Islands, Channel Islands National Park, Coastal and Marine Geology Program, All tags... PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, U.S. Geological Survey, USGS, elevation, geospatial datasets, interferometric sonar, marine geophysics, multibeam echo sounder, oceans, sea-floor acoustic reflectivity, sea-floor characteristics, seabed, Fewer tags Bathymetry data collected in 2007 from the San Miguel Passage in the Channel Islands, California This portion of the data release presents bathymetry data from the San Miguel Passage, in the Channel Islands, California. Bathymetry data were collected in the San Miguel Passage, Channel Islands, California in August 2007 by the U.S. Geological Survey, Pacific Coastal and Marine Science Center (USGS, PCMSC). Collection was accomplished using a 234.5 kHz SEA (AP) Ltd. SWATHplus-M phase-differencing sidescan sonar mounted on the NOAA, Channel Islands National Marine Sanctuary R/V Shearwater as part of the USGS research cruise S-2-07-SC. Data were collected in water depths up to 89 meters. The San Miguel Passage is within the Channel Islands National Marine Sanctuary and is the body of water between the two western-most... Tags: Bathymetry and Elevation, CMGP, Channel Islands, Channel Islands National Park, Coastal and Marine Geology Program, All tags... PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, elevation, geospatial datasets, interferometric sonar, marine geophysics, multibeam echo sounder, oceans, sea-floor characteristics, seabed, Fewer tags Topography data collected in the Liberty Island Conservation Bank portion of the Cache Slough Complex, Sacramento-San Joaquin Delta, California, during USGS field activity 2017-649-FA This portion of the USGS data release presents topography data acquired in the Liberty Island Conservation Wildlands restoration site in 2017 (USGS Field Activity Number 2017-649-FA). Topographic data were collected on June 26 and 27, 2017 by walking with global navigation satellite system (GNSS) receivers mounted on backpacks. Hand-held data collectors were used to log raw data and display navigational information as the surveyors traversed the landscape. The final point data are provided in a comma-separated text file and are projected in cartesian coordinates using the Universal Transverse Mercator (UTM) Zone 10 North, meters coordinate system. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Cache Slough, Cache Slough Complex, Coastal and Marine Hazards and Resources Program, All tags... Liberty Island, PCMSC, Pacific Coastal and Marine Science Center, Sacramento River, Sacramento River Deep Water Ship Channel, Sacramento-San Joaquin Delta, San Joaquin River, State of California, U.S. Geological Survey, USGS, altimetry, elevation, geoscientificInformation, geospatial datasets, topography, 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 Acoustic-backscatter data from three locations in the Sacramento-San Joaquin Delta, California, 2017 to 2018 This part of the data release contains high-resolution acoustic-backscatter data collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three study locations in the Sacramento-San Joaquin Delta, California. Data were collected in Lindsey Slough in April 2017, Middle River in March 2018, and Mokelumne River in March 2018, using an interferometric bathymetric sidescan sonar systems mounted to the USGS R/V Parke Snavely. Data are provided in 1-m resolution GeoTIFF formats. These data were collected as part of a study of the effects of invasive aquatic vegetation on sediment transport in the Sacramento-San Joaquin Delta. Tags: Bathymetry, Bathymetry and Elevation, CMHRP, Coastal and Marine Hazards and Resources Program, Invasive Species, All tags... Lindsey Slough, Middle River, Mokelumne River, PCMSC, Pacific Coastal and Marine Science Center, Sacramento-San Joaquin Delta, Seafloor Topography, State of California, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, field observation, geoscientificInformation, geospatial datasets, marine geophysics, multibeam sonar, sea-floor characteristics, seabed, Fewer tags Hydrodynamic and sediment transport data from San Pablo Bay (northern San Francisco Bay), 2011-2012 The U.S. Geological Survey Pacific Coastal and Marine Science Center collected data to investigate sediment dynamics in the shallows of San Pablo Bay in two deployments: February to March 2011 (ITX11) and May to June 2012 (ITX12). This data release includes time-series data and grain-size distributions from sediment grabs collected during the deployments. During each deployment, time series of current velocity, water depth, and turbidity were collected at several stations in the shallows, and one station in the channel. Velocity and depth (pressure) were collected at high frequency (10 Hz) to allow calculation of wave parameters and turbulence statistics. Instrumentation and data collected in the two deployments... Tags: CONDUCTIVITY, CTD, CTD measurement, CURRENT METERS, CURRENTS, All tags... Coastal and Marine Hazards and Resources Program, Current, PCMSC, PRESSURE SENSORS, Pacific Coastal and Marine Science Center, SALINITY, SEDIMENT TRANSPORT, Sacramento-San Joaquin Delta, San Pablo Bay, Shallow-water habitat, State of California, Suspended-sediment concentration, TIDAL HEIGHT, TURBIDITY, Tidal shallows, U.S. Geological Survey, USGS, WATER DEPTH, WATER PRESSURE, WATER TEMPERATURE, WAVE HEIGHT, WAVE HEIGHT GAUGES, Wind waves, inlandWaters, marine water quality, ocean waves, physical oceanography, time series datasets, water level measurements, wave observations, Fewer tags Single-beam bathymetry data collected in the Cache Slough Complex, Sacramento-San Joaquin Delta, California, during USGS field activities 2017-649-FA and 2018-684-FA This portion of the USGS data release presents single beam bathymetry data collected during surveys performed in the Cache Slough Complex, Sacramento-San Joaquin Delta, California in 2017 and 2018 (USGS Field Activity Numbers 2017-649-FA and 2018-684-FA). Bathymetry data were collected using personal watercraft (PWCs) equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The final point data from the PWCs are provided in a comma-separated text file and are projected in cartesian coordinates using the Universal Transverse Mercator (UTM) Zone 10 North, meters coordinate system. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Cache Slough, Cache Slough Complex, Coastal and Marine Hazards and Resources Program, All tags... Global Positioning System (GPS) observations, PCMSC, Pacific Coastal and Marine Science Center, Sacramento River, Sacramento River Deep Water Ship Channel, Sacramento-San Joaquin Delta, San Joaquin River, State of California, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, elevation, geoscientificInformation, geospatial datasets, single-beam echo sounder, Fewer tags Hydrodynamic time-series data from three locations in the Sacramento-San Joaquin Delta, California, 2017 to 2018 Hydrodynamic and sediment transport time-series data, including water depth, velocity, turbidity, conductivity, and temperature, were collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three locations in the Sacramento-San Joaquin Delta. Data were collected in Lindsey Slough in April 2017, and Middle River and the Mokelumne River in March 2018. Data files are grouped by location. At each of the three sites, data were collected at stations outside and within patches of vegetation, to determine how submerged invasive vegetation influences tidal currents and suspended-sediment concentration. The Table below shows the data types collected at each station, and classifies stations... Categories: Data; Tags: CMHRP, CTD, CTD measurement, Coastal and Marine Hazards and Resources Program, Conductivity, All tags... Currents, Invasive Species, Lindsey Slough, Middle River, Mokelumne River, PCMSC, Pacific Coastal and Marine Science Center, Pressure sensors, Sacramento-San Joaquin Delta, Salinity, Sediment transport, Shallow-water habitat, State of California, Suspended-sediment concentration, Tidal height, Tidal shallows, Turbidity, U.S. Geological Survey, USGS, Water depth, Water pressure, Water temperature, Wave height gauges, aquatic ecosystems, field observation, geoscientificInformation, marine water quality, physical oceanography, seabed, suspended material (water), time series datasets, water level measurements, wave observations, Fewer tags Grain size and bulk density from Little Holland Tract and Liberty Island, Sacramento-San Joaquin Delta, California, 2015 to 2019 (ver. 3.0, April 2023) Grain size distribution and bulk density are reported for sediment samples from two flooded agricultural tracts, Little Holland Tract and Liberty Island, in the Sacramento-San Joaquin Delta, California. Samples were repeatedly collected at 8 sites using a Ponar grab or push core samplers during 19 visits to the study area from 2015 to 2019. The long-term time series data collection stations (sites LWA, HVB, HWC, and LVB) were sampled on almost every field survey, and the remaining sites were sampled 6 or times or fewer, some only once. All samples were analyzed for grain size distribution, and some were analyzed for bulk density. These data provide insight into how particle size distributions varied spatially and... Categories: Data; Tags: CMGP, Coastal and Marine Geology Program, Liberty Island, Little Holland Tract, Oceans, All tags... PCMSC, Pacific Coastal and Marine Science Center, Sacramento-San Joaquin Delta, Sediment, Sedimentation, State of California, Substrate, U.S. Bureau of Reclamation, U.S. Geological Survey, USBR, USGS, bulk density, grab sampling, grain-size analysis, push coring, sea-floor characteristics, sediment transport, unconsolidated deposits, Fewer tags Bathymetry and acoustic backscatter data collected in 2007 from the San Miguel Passage in the Channel Islands, California Bathymetry and acoustic backscatter data were collected in the San Miguel Passage, Channel Islands, California in August 2007 by the U.S. Geological Survey, Pacific Coastal and Marine Science Center. Data collection was conducted aboard the ship R/V Shearwater as part of the USGS research cruise S-2-07-SC. The San Miguel Passage is within the Channel Islands National Marine Sanctuary, and is the body of water between the two western-most islands of the chain - Santa Rosa and San Miguel Islands. Bathymetry and backscatter data were gridded into 2m-resolution raster and are presented here. Tags: Bathymetry and Elevation, CMGP, Channel Islands, Channel Islands National Park, Coastal and Marine Geology Program, All tags... Geophysics, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, elevation, geospatial datasets, interferometric sonar, marine geophysics, multibeam echo sounder, oceans, sea-floor characteristics, seabed, Fewer tags Swath bathymetric data from three locations in the Sacramento-San Joaquin Delta, California, 2017 to 2018 This part of the data release contains high-resolution swath bathymetry data collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three locations in the Sacramento-San Joaquin Delta. Data were collected in Lindsey Slough in April 2017, Middle River in March 2018, and Mokelumne River in March 2018 using an interferometric bathymetric sidescan sonar systems mounted to the USGS R/V Parke Snavely. Data are provided in 1-m resolution GeoTIFF formats. These data were collected as part of a study on the effects of invasive aquatic vegetation on sediment transport in the Sacramento-San Joaquin Delta. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry, Bathymetry and Elevation, CMHRP, Coastal and Marine Hazards and Resources Program, Invasive Species, All tags... Lindsey Slough, Middle River, Mokelumne River, PCMSC, Pacific Coastal and Marine Science Center, Sacramento-San Joaquin Delta, Seafloor Topography, State of California, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, field observation, geoscientificInformation, geospatial datasets, marine geophysics, multibeam sonar, sea-floor characteristics, seabed, Fewer tags