Found 616 datasets matching filters.
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These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...
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The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal sea floor. Bathymetric and...
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The side scan sonar survey was done simultaneously with the bathymetry swath survey and used an EdgeTech Model 4125 Towfish bow-mounted from Lookdown at 400 and 900 kHz. The 4125 Towfish utilizes...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-03-04 -
Bathymetric survey data were collected in September 2010 just south of Dumbarton Bridge in south San Francisco Bay, California. Portions of the main channel and western shallows/intertidal...
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From May 28 to June 3, 2015, the U.S. Geological Survey (USGS) conducted a geophysical survey to investigate the geologic evolution and estuarine sediment thickness in Grand Bay, Alabama and...
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A one-week geophysical survey was conducted in the Las Vegas Bay part of Lake Mead during June 1-6, 2000 to acoustically map the surficial sediments and shallow subsurface geology of this part of...
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Bathymetric survey data were collected in December 2008 just south of Dumbarton Bridge in south San Francisco Bay, California. Portions of the main channel and western shallows/intertidal mudflats...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
1-m resolution bathymetry collected in Coyote Creek and Alviso Slough in October 2015. Projection = UTM, zone 10 in meters, Horizontal Datum = NAD83 (CORS96), Vertical Datum = NAVD88, all units in...
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This part of DS 781 presents data for the acoustic-backscatter map of the Offshore of Bodega Head map area, California. Backscatter data are provided as separate grids depending on mapping system...
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1-m resolution bathymetry collected in Coyote Creek and Alviso Slough in April 2018. Projection = UTM, zone 10 in meters, Horizontal Datum = NAD83 (CORS96), Vertical Datum = MLLW, all units in...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
This image is a 250m version of the composite Gulf of Mexico GLORIA sidescan sonar mosaic.
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These data were collected under a cooperative mapping program between the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration Coastal Services Center (NOAA\CSC), and...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
April 2019 bathymetry (WGS84) of Coyote Creek and Alviso Slough, South San Francisco Bay, California
1-m resolution bathymetry collected in Coyote Creek and Alviso Slough in April 2019. Projection = UTM, zone 10 in meters, Horizontal Datum = WGS84(G1150), Elevations relative to the WGS84...
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GIS point data of stations in which biological and sediment grab samples were collected. Collection of benthic infauna and epifauna used a 0.04 m2 Ted Young Modified Van Veen grab. Three...
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The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone Management (MA CZM), is producing...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
1-m resolution bathymetry collected in Coyote Creek and Alviso Slough in October 2016. Projection = UTM, zone 10 in meters, Horizontal Datum = NAD83 (CORS96), Vertical Datum = MLLW, all units in...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
The sidescan sonar image of the nearshore seafloor (0 to 100 m water depths) of the Big Sycamore reserve area was mosaicked from data collected in 1998. A Klein 2000 sidescan system was used for...
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The sidescan sonar image of the nearshore seafloor (0 to 100 m water depths) of the Big Sycamore reserve area was mosaicked from data collected in 1998. A Klein 2000 sidescan system was used for...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03 -
Lake Mead is a large interstate reservoir located in the Mojave Desert of southeastern Nevada and northwestern Arizona. It was impounded in 1935 by the construction of Hoover Dam and is one of a...
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This CD-ROM contains digital high resolution sidescan sonar data collected during the USGS Cruise 97009 aboard the R/V MS MS Coastal. This CD-ROM (Compact Disc-Read Only Memory) has been...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-03-03
