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Vegetation biomass and density from three locations in the Sacramento-San Joaquin Delta, California, 2017 to 2018 Vegetation type and density data 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. Vegetation samples were collected by divers, and used to determine dry biomass density. These data were collected as part of a cooperative project, with the USGS California Water Science Center and the California Department of Fish and Wildlife, on the effects of invasive aquatic vegetation on sediment transport in the Sacramento-San Joaquin Delta. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Invasive Species, Lindsey Slough, Marsh, All tags... Middle River, Mokelumne River, PCMSC, Pacific Coastal and Marine Science Center, Sacramento-San Joaquin Delta, Sedimentation, State of California, Substrate, U.S. Geological Survey, USGS, aquatic ecosystems, botany, inland waters, invasive species, plant testing, plot sampling, specimen collecting, Fewer tags 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 Water pressure/depth, velocity, and turbidity time-series data from CHC16 Bay shallows stations in San Pablo Bay and China Camp Marsh, California Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment... Categories: Data; Tags: CMG, CMGP, CTD measurements, California, China Camp, All tags... Coastal and Marine Geology, Marin County, Pacific Coastal and Marine Science Center, San Pablo Bay, SF Bay, CA, Sediment transport, Shallow-water habitat, TIDAL HEIGHT, Tidal shallows, Tidally influenced/coastal/beach, U.S. Geological Survey (USGS), USGS current measurements, Water Depth, Water Pressure, coastal, conductivity, currents, inlandWaters, marsh sediment, physical oceanography, time-series datasets, turbidity, water level measurements, water temperature, wave measurements, wetland, Fewer tags Water pressure/depth, velocity, and turbidity time-series data from CHC14 Tidal creek stations in San Pablo Bay and China Camp Marsh, California Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment... Categories: Data; Tags: CMG, CMGP, CTD measurements, California, China Camp, All tags... Coastal and Marine Geology, Marin County, Pacific Coastal and Marine Science Center, San Pablo Bay, SF Bay, CA, Shallow-water habitat, TIDAL HEIGHT, Tidal shallows, Tidally influenced/coastal/beach, U.S. Geological Survey (USGS), USGS current measurements, Water Depth, Water Pressure, Water temperature, coastal, conductivity, inlandWaters, marsh sediment, physical oceanography, sediment transport, time-series datasets, turbidity, water level measurements, wave measurements, wetland, Fewer tags Water pressure/depth, velocity, and turbidity time-series data from SPD15 Bay shallows stations in San Pablo Bay and China Camp Marsh, California Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment... Categories: Data; Tags: CMG, CMGP, CTD measurements, California, China Camp, All tags... Coastal and Marine Geology, Marin County, Pacific Coastal and Marine Science Center, San Pablo Bay, SF Bay, CA, Shallow-water habitat, TIDAL HEIGHT, Tidal shallows, Tidally influenced/coastal/beach, U.S. Geological Survey (USGS), USGS current measurements, Water Depth, Water Pressure, Water temperature, coastal, conductivity, currents, inlandWaters, marsh sediment, physical oceanography, sediment transport, time-series datasets, turbidity, water level measurements, wave measurements, wetland, Fewer tags Topographic measurements of Little Holland Tract, Sacramento-San Joaquin Delta, California, 2015, using backpack GPS This part of the USGS data release presents elevation data for the Little Holland Tract in the Sacramento-San Joaquin River Delta, California. During May and June of 2015, a team of scientists from the USGS Pacific Coastal and Marine Science Center (PCMSC) conducted multiple surveys (USGS Field Activity 2015-642-FA) to collect topographic and bathymetric data in Little Holland Tract, located in the Sacramento-San Joaquin River Delta between Liberty Island and the Sacramento Deep Water Ship Channel. Topographic mapping was conducted during low tide using a GPS backpack platform consisting of survey grade Trimble R10 and R7 global navigation satellite system (GNSS) recievers with Zephyr 2 antennas. Orthometric elevations... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, GPS measurement, Sacramento-San Joaquin Delta Orthomosaic images of the Whale's Tail Marsh region, South San Francisco Bay, CA This portion of the data release presents orthomosaic images of the Whale's Tail Marsh region of South San Francisco Bay, CA. The orthomosaics have resolutions of 2.5 centimeters per pixel and were derived from structure-from-motion (SfM) processing of repeat aerial imagery collected from fixed-wing aircraft. The raw imagery used to create these elevation models was acquired from an approximate altitude of 427 meters (1,400 feet) above ground level (AGL), using a Hasselblad A6D-100c camera fitted with an HC 80 lens, resulting in a nominal ground-sample-distance (GSD) of 2.5 centimeters per pixel. The acquisition flight lines were designed to provide approximately 50 percent overlap between adjacent flight lines... Categories: Data; Tags: Alameda County, Alameda Creek, Bathymetry and Elevation, CHMRP, Coastal and Marine Hazards and Resources Program, All tags... Mount Eden Creek, PCMSC, Pacific Coastal and Marine Science Center, San Francisco Bay, SfM, State of California, Structure-from-motion, U.S. Geological Survey, USGS, aerial and satellite photography, aerial photography, altimetry, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, structure from motion, Fewer tags Suspended sediment concentrations from water samples collected in San Pablo Bay and Grizzly Bay, California, 2020 Water samples were collected in San Pablo Bay and Grizzly Bay on five days from January through June 2020. The water samples were collected from a small vessel near pre-established USGS instrument moorings using a peristaltic pump or a Niskin bottle. Data are provided in a comma-delimited values spreadsheet. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Grizzly Bay, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Francisco Bay, San Pablo Bay, State of California, U.S. Geological Survey, USGS, Water-Quality Parameters, field sampling, marine water quality, oceans, suspended material (water), water sampling, water sampling, Fewer tags Water pressure/depth, velocity, and turbidity time-series data from CHC13 Tidal creek stations in San Pablo Bay and China Camp Marsh, California Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment... Categories: Data Digital Surface Models (DSMs) of the Whale's Tail Marsh region, South San Francisco Bay, CA This portion of the data release presents digital surface models (DSM) of the Whale's Tail Marsh region of South San Francisco Bay, CA. The DSMs have resolutions of 5 centimeters per pixel and were derived from structure-from-motion (SfM) processing of repeat aerial imagery collected from fixed-wing aircraft. Unlike a digital elevation model (DEM), a DSM represents the elevation of the highest object within the bounds of a cell. Vegetation, structures, and other objects have not been removed from the data. The raw imagery used to create these elevation models was acquired from an approximate altitude of 427 meters (1,400 feet) above ground level (AGL), using a Hasselblad A6D-100c camera fitted with an HC 80 lens,... Categories: Data; Tags: Alameda County, Alameda Creek, Bathymetry and Elevation, CHMRP, Coastal and Marine Hazards and Resources Program, All tags... Mount Eden Creek, PCMSC, Pacific Coastal and Marine Science Center, San Francisco Bay, SfM, State of California, Structure-from-motion, U.S. Geological Survey, USGS, aerial and satellite photography, aerial photography, altimetry, elevation, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, orthophotography, photography, remote sensing, remote sensing, structure from motion, topographic maps, topography, Fewer tags Water pressure/depth and turbidity time-series data from CHC16 Marsh and mudflat stations in San Pablo Bay and China Camp Marsh, California Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment... Categories: Data; Tags: CMG, CMGP, CTD measurements, California, China Camp, All tags... Coastal and Marine Geology, Marin County, Pacific Coastal and Marine Science Center, San Pablo Bay, SF Bay, CA, Shallow-water habitat, TIDAL HEIGHT, Tidal shallows, Tidally influenced/coastal/beach, U.S. Geological Survey (USGS), USGS current measurements, Water Depth, Water Pressure, Water temperature, coastal, conductivity, currents, inlandWaters, marsh sediment, physical oceanography, sediment transport, time-series datasets, turbidity, water level measurements, wave measurements, wetland, Fewer tags Water pressure/depth, velocity, and turbidity time-series data from CHC14 Bay shallows stations in San Pablo Bay and China Camp Marsh, California Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment... Categories: Data; Tags: CMG, CMGP, CTD measurements, California, China Camp, All tags... Coastal and Marine Geology, Marin County, Pacific Coastal and Marine Science Center, San Pablo Bay, SF Bay, CA, Sediment transport, Shallow-water habitat, TIDAL HEIGHT, Tidal shallows, Tidally influenced/coastal/beach, U.S. Geological Survey (USGS), USGS current measurements, Water Depth, Water Pressure, Water temperature, coastal, conductivity, currents, inlandWaters, marsh sediment, physical oceanography, time-series datasets, turbidity, water level measurments, wave measurements, wetland, Fewer tags Water pressure/depth, velocity, and turbidity time-series data from CHC14 Bay channel station in San Pablo Bay and China Camp Marsh, California Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment... Categories: Data; Tags: CMG, CMGP, CTD measurements, California, China Camp, All tags... Coastal and Marine Geology, Marin County, Pacific Coastal and Marine Science Center, San Pablo Bay, SF Bay, CA, Sediment transport, Shallow-water habitat, TIDAL HEIGHT, Tidal shallows, Tidally influenced/coastal/beach, U.S. Geological Survey (USGS), USGS current measurements, Water Depth, Water Pressure, coastal, conductivity, currents, inlandWaters, marsh sediment, physical oceanography, time-series datasets, turbidity, water level measurements, water temperature, wave measurements, wave observations, wetland, Fewer tags Grain size, bulk density, and organic carbon of sediment cores from San Pablo Bay and Grizzly Bay, California, 2019 Bed sediment samples were collected in San Pablo Bay and Grizzly Bays on eight days from June through November 2019, to analyze for sediment properties including bulk density, particle size distribution, and percent organic carbon. Sediment samples were collected from a small vessel near pre-established USGS instrument moorings using a Gomex box corer that was subsampled with three push cores (37 mm in diameter) per Gomex core. Six subsamples were collected from the top 5 centimeters (cm) of each push core, a few push cores included the top 8 cm. The top two subsamples were each 0.5 cm thick, and all following subsamples were each 1 cm thick. Push core samples from the first, third, and fifth centimeter depth were... Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Grizzly Bay, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Francisco Bay, San Pablo Bay, Sediment, State of California, Substrate, U.S. Geological Survey, USGS, bulk density, carbon, dissolved organic compounds, grab sampling, grain-size analysis, oceans, push coring, sea-floor characteristics, sediment transport, unconsolidated deposits, 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 Water pressure/depth, velocity, and turbidity time-series data from SPC14 Bay shallows stations in San Pablo Bay and China Camp Marsh, California Files contain hydrodynamic and sediment transport data for the location and deployment indicated. Time-series data of water depth, velocity, turbidity, and temperature were collected in San Pablo Bay and China Camp Marsh as part of the San Francisco Bay Marsh Sediment Experiments. Several instruments were deployed in tidal creek, marsh, mudflat, and Bay locations, gathering data on water depth, velocity, salinity/temperature, and turbidity. Deployment data are grouped by region (Bay channel (main Bay), Bay shallows, tidal creek, or marsh/mudflat/upper tidal creek). Users are advised to check metadata and instrument information carefully for applicable time periods of specific data, as individual instrument deployment... Categories: Data; Tags: CMG, CMGP, CTD measurements, California, China Camp, All tags... Coastal and Marine Geology, Marin County, Pacific Coastal and Marine Science Center, San Pablo Bay, SF Bay, CA, Sediment transport, Shallow-water habitat, Tidal shallows, Tidally influenced/coastal/beach, U.S. Geological Survey (USGS), USGS current measurements, Water Depth, Water Pressure, coastal, conductivity, currents, inlandWaters, marsh sediment, physical oceanography, time-series datasets, turbidity, water level measurements, water temperature, wave measurements, wetland, Fewer tags Wind-wave and suspended-sediment data from Liberty Island and Little Holland Tract, Sacramento-San Joaquin Delta, California (ver. 2.0, September 2019) Data were collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center to investigate the influence of wind waves on sediment dynamics in two flooded agricultural tracts in the northern Sacramento-San Joaquin Delta: Little Holland Tract and Liberty Island. This effort is part of a large interdisciplinary study led by the USGS California Water Science Center and funded by the U.S. Bureau of Reclamation to investigate how shallow-water habitats in the Sacramento-San Joaquin Delta function and whether they provide good habitat for native fish species, including the Delta smelt. Elevated turbidity is a requirement for Delta smelt habitat, and turbidity is largely comprised of suspended sediment.... Categories: Data, Data Release - Revised; Types: Citation; Tags: Average Burst Pressure, CMG, CMGP, CONDUCTIVITY, CTD > CONDUCTIVITY, TEMPERATURE, DEPTH, All tags... CTD measurements, CURRENT METERS, Cache Slough Complex, California, Coastal and Marine Geology Program, Current Direction (t), Current Speed, Geophysics, Liberty Island, Little Holland Tract, PCMSC, PRESSURE SENSORS, Pacific Coastal and Marine Science Center, SALINITY, SEDIMENT TRANSPORT, Sacramento-San Joaquin Delta, Salinity, Shallow water habitat, Solano County, Stand. Dev. (press), Suspended-sediment concentration, TIDAL CURRENTS, TIDAL STAGE, TURBIDITY, Temperature (c), Tidal fresh water, Tidal shallows, U.S. Geological Survey, USGS, Vertical Velocity, WATER DEPTH, WATER PRESSURE, WATER TEMPERATURE, WAVE HEIGHT, WAVE HEIGHT GAUGES, WAVE SPEED DIRECTION, Wave Height Period, Wind Waves, Yolo County, data release, inlandWaters, marine water quality, ocean waves, time series dataset, Fewer tags Grain-size distributions from San Pablo Bay, California, 2011 to 2012 Sediment cores were collected from San Pablo Bay, in the Sacramento-San Joaquin Delta in California by the U.S. Geological Survey Pacific Coastal and Marine Science Center (PCMSC) during multiple surveys from 2011 to 2012 . The cores were analyzed for grain-size distributions at the PCMSC sediment lab. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Oceans, PCMSC, Pacific Coastal and Marine Science Center, All tags... Sacramento-San Joaquin Delta, San Pablo Bay, Sediment, Sedimentation, State of California, Substrate, U.S. Geological Survey, USGS, grab sampling, grain-size analysis, push coring, sea-floor characteristics, sediment transport, unconsolidated deposits, Fewer tags Ground control point locations for UAS survey of the Liberty Island Conservation Bank Wildlands restoration site, Sacramento-San Joaquin Delta, California, 2018-10-23 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 the Unmanned Aerial System (UAS) survey on of the Liberty Island Conservation Bank Wildlands restoration site in the Sacramento-San Joaquin Delta on 2018-10-23. The GCPs were used to establish ground control for the survey and consisted of 24 small (80 x 80 centimeter) square tarps with black-and-white cross patterns placed on the ground surface throughout the mapping area during the survey. The GCP positions were measured using RTK GPS, with corrections from a GPS base station located approximately 3 kilometers south of the study... Categories: Data; Tags: Bathymetry and Elevation, CHMRP, Cache Slough, Coastal and Marine Hazards and Resources Program, Liberty Island, All tags... 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, Structure-from-motion, U.S. Geological Survey, UAS, USGS, Unmanned aerial system, aerial photography, altimetry, elevation, fragile ecosystems, geomorphology, geoscientificInformation, geospatial datasets, image mosaics, photography, remote sensing, remote sensing, topographic maps, topography, wetland restoration, Fewer tags Hydrodynamic and sediment transport data from San Pablo Bay and China Camp marsh (northern San Francisco Bay), 2013-2016. The U.S. Geological Survey Pacific Coastal and Marine Science Center collected data to investigate sediment dynamics in the shallows of San Pablo Bay and sediment exchange between bay shallows and the tidal salt marsh in China Camp State Park in a series of deployments between December 2013 and June 2016. This data release includes two related groups of data sets. The first group, denoted by names starting with CHC, is from deployments with stations in the San Pablo Bay channel, shallows, and mudflats, and within China Camp marsh. The second, denoted by names starting with SP, is from deployments at a subset of the stations in the San Pablo Bay shallows, collected during intervals between the CHC deployments. Stations... Categories: Data; Tags: CMG, CMGP, CTD measurements, California, China Camp, All tags... Coastal and Marine Geology, Hydrogeology, Marin County, Pacific Coastal and Marine Science Center, San Pablo Bay, SF Bay, CA, Shallow-water habitat, TIDAL HEIGHT, Tidal shallows, Tidally influenced/coastal/beach, U.S. Geological Survey (USGS), USGS current measurements, Water Depth, Water Pressure, Water Quality, coastal, conductivity, currents, currents, inlandWaters, marsh sediment, physical oceanography, salt marsh, sea-level rise, sediment, sediment transport, sediment transport, time-series datasets, turbidity, water level measurements, water temperature, wave measurements, waves, wetland, Fewer tags 1 2 »