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High-resolution multibeam bathymetry and backscatter data collected in 2004 for the northern Channel Islands region, southern California This data release presents data for 5-m resolution multibeam-bathymetry and acoustic-backscatter data of the northern Channel Islands region, southern California. In 2004 the U.S. Geological Survey, Pacific Coastal and Marine Science Center collected multibeam-bathymetry and acoustic-backscatter data in the northern Channel Islands region, southern California. The region was mapped aboard the R/V Ewing using a Kongsberg Simrad EM-1002 multibeam echosounder. These data were previously published on-line at http://pubs.usgs.gov/of/2005/1153/. In this data release the data have been reprocessed to a finer spatial resolution (5-m versus 15-m) using more modern processing techniques. Due to the large file sizes the entire... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Backscatter (sea floor), Bathymetry, Bathymetry, CMG, CMGP, All tags... Channel Islands, Coastal and Marine Geology Program, Geology, Geophysics, Multibeam sonar, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Santa Barbara Channel, Seafloor Topography, State of California, U.S. Geological Survey, USGS, data release, environment, geoscientificInformation, imageryBaseMapsEarthCover, oceans, Fewer tags Bathymetric DEM of the Sacramento River, from the Feather River to Knights Landing, California in February 2011 This part of the data release presents a digital elevation model (DEM) created from bathymetry data collected on February 1, 2011, in the Sacramento River from the confluence of the Feather River to Knights Landing. The data were collected by the USGS Pacific Coastal and Marine Science Center (PCMSC) team with collaboration and funding from the U.S. Army Corps of Engineers. This project used interferometric sidescan sonar to characterize the riverbed and channel banks along a 12 mile reach of the Sacramento River, California (River Mile 79 through River Mile 91) to aid in the understanding of fish response to the creation of safe habitat associated with levee restoration efforts in two 1.5 mile reaches of the Sacramento... Categories: Data; Types: Citation; Tags: Bathymetry and Elevation, Echo Sounders, Feather River, GPS (Global Positioning System), Geophysics, All tags... Knights Landing, Sacramento River, Water Depth, Woodland, bathymetry, digital elevation models, elevation, interferometric sonar, levee, multibeam echo sounder, real-time monitoring and reporting, river, sea-floor acoustic reflectivity, sea-floor characteristics, sidescan sonar, Fewer tags Acoustic Backscatter of the Sacramento River, from the Feather River to Knights Landing, California in February 2011 This part of the data release presents acoustic backscatter data collected on February 1, 2011, in the Sacramento River from the confluence of the Feather River to Knights Landing. The data were collected by the USGS Pacific Coastal and Marine Science Center (PCMSC) team with collaboration and funding from the U.S. Army Corp of Engineers. This project used interferometric sidescan sonar to characterize the riverbed and channel banks along a 12 mile reach of the Sacramento River, California (River Mile 79 through River Mile 91) to aid in the understanding of fish response to the creation of safe habitat associated with levee restoration efforts in two 1.5 mile reaches of the Sacramento River between River Mile 80... Categories: Data; Types: Citation; Tags: Bathymetry and Elevation, Echo Sounders, Feather River, GPS (Global Positioning System), Geophysics, All tags... Knights Landing, Sacramento River, Water Depth, Woodland, bathymetry, digital elevation models, elevation, interferometric sonar, levee, multibeam echo sounder, real-time monitoring and reporting, river, sea-floor acoustic reflectivity, sea-floor characteristics, sidescan sonar, 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 High-resolution bathymetry and acoustic-backscatter data collected in 2004, 2005, 2007, and 2010 in Skagit Bay, Washington This data release provides the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC) 2004, 2005, 2007, and 2010 bathymetry data that was collected in Skagit Bay, Washington as well as a merged 2005-2010 bathymetry grid. Also, this data release provides the acoustic-backscatter as a merged 2005-2010 backscatter image. All bathymetry grids are provided at 1-m spatial resolution, while the acoustic-backscatter image is provided at 5-m resolution. All files have accompanying FGDC metadata. In 2004, 2005, 2007, and 2010 the USGS, PCMSC collected bathymetry and acoustic backscatter data in Skagit Bay, Washington using an interferometric bathymetric sidescan sonar system mounded to the USGS R/V... Categories: Data; Types: Citation; Tags: Bathymetry, Bathymetry, Bathymetry and Elevation, CMGP, Coastal and Marine Geology Program, All tags... Geology, Geomorphology, Geophysics, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Puget Sound, Seafloor Topography, U.S. Geological Survey, USGS, environment, geoscientificInformation, imageryBaseMapsEarthCover, sea-floor acoustic reflectivity, seabed, Fewer tags Gravity cores from San Pablo Bay and Carquinez Strait, San Francisco Bay, California This data release contains information on gravity cores that were collected by the U.S. Geological Survey in the area of San Pablo Bay and Carquinez Strait, California in 1990, 1991, and 2000. Ten (10) pdf files describe gravity cores that were split, photographed, and imaged by X-rays, and another pdf file contains a core-log legend. In addition, a shapefile provides sample collection data. Seventy-two gravity cores were collected by the U.S. Geological Survey in 1990, 1991, and 2000 from San Pablo Bay and Carquinez Strait, California. Gravity cores from San Pablo Bay contain bioturbated laminated silts and sandy clays, whole and broken bivalve shells (mostly mussels), fossil tube structures, and fine plant or... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Carquinez Strait, Marine Geology, Oceans > marine sediments > sedimentation, San Francisco Bay, All tags... San Pablo Bay, USA, environment, geoscientificInformation, gravity coring, oceans, stratigraphy, Fewer tags Bathymetry and acoustic backscatter data of the Sacramento River, from the Feather River to Knights Landing, California in February, 2011 Abstract On February 1, 2011, the USGS Pacific Coastal and Marine Science Center (PCMSC) team carried out a project using interferometric sidescan sonar to characterize the riverbed and channel banks of a 12 mile reach of the Sacramento River near the town of Knights Landing, California (River Mile 79 through River Mile 91). The project was developed in coordination with David Smith, Engineering Research and Development Center (ERDC) of the US Army Corps of Engineers, and Brian Mulvey, Sacramento District Environmental Planning Section of the US Army Corps of Engineers as part of an effort to aid in understanding fish response to the creation of safe habitat associated with levee restoration efforts in two 1.5 mile... Categories: Data; Types: Citation; Tags: Bathymetry and Elevation, Echo Sounders, Feather River, GPS (Global Positioning System), Geophysics, All tags... Knights Landing, Sacramento River, Water Depth, Woodland, acoustic methods, bathymetry, digital elevation models, elevation, interferometric sonar, levee, multibeam echo sounder, real-time data, river, rivers, sea-floor acoustic reflectivity, sea-floor characteristics, sidescan sonar, Fewer tags Underwater video footage, March 2014, Faga'alu Bay, Tutuila Island, American Samoa Underwater video imagery was collected in March 2014 in the nearshore waters of Faga'alu Bay on the Island of Tutuila, American Samoa, as part of the U.S. Geological Survey Coastal and Marine Geology Program's Pacific Coral Reefs Project. Included here are 40 video files in .mpg format and an Environmental Systems Research Institute (ESRI) shapefile with location (navigation) points every two seconds. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: American Samoa, Benthic Habitat, CMG, CMGP, Coastal and Marine Geology Program, All tags... Coral Reefs, Faga'alu Bay, PCMSC, Pacific Coastal and Marine Science Center, Remote Sensing, Tutuila, U.S. Geological Survey, USGS, biota, boundaries, data release, geoscientificInformation, imageryBaseMapsEarthCover, oceans, Fewer tags