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Found 1571 dataset(s) matching "substrates".
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This dataset includes photographs of 39 piston and gravity cores that were collected as part of a groundtruthing survey in September 2019 aboard the R/V Bold Horizon. This dataset is one of...
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Carbonate budget assessments quantify changes to reef habitat structure by measuring the cover of habitat altering taxa (calcifies and eroders) and assimilating literature-reported carbonate...
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The Pearl Harbor Biodiversity Project was funded by the Department of Defense Legacy Program, through the U. S. Navy. The project was performed in two phases. The purpose of the project was to...
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Ground reference data in the form of ecogeomorphic evaluations, topographic survey measurements, and geotagged photographs were collected at four areas of interest (AOI) across Fire Island...
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This part of the data release contains marine magnetic data that were collected aboard the R/V Snavely in 2017 on U.S. Geological Survey cruise 2017-686-FA offshore Oceanside, southern California....
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This data release provides radiochemistry data (210Pb and 137Cs) of two sediment cores, BC01 and BC02, collected during USGS Field Activity 2024-662-FA in 2024 in San Francisco Bay, California,...
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This portion of the data release contains information on cores that were collected by the U.S. Geological Survey in Kahana Valley, O'ahu, Hawaii in 2015 and 2017. Sites were cored in order to...
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In situ seafloor images were acquired at four sites (SKM, SLG, LDB, WLW) in the lower Columbia River, Washington and Oregon, with an underwater camera system between June 5 and June 8, 2021....
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High-resolution multichannel sparker seismic (MCS) data were collected by the U.S. Geological Survey in collaboration with the University of Washington (UW) in the summer of 2019 along the...
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Chirp sub-bottom data collected in the Great Salt Lake, Utah, during USGS field activity 2021-615-FA
This data release contains 57 high-resolution chirp sub-bottom profiles collected in the southern Great Salt Lake, Utah. Data were collected by the U.S. Geological Survey (USGS) in June of 2021...
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The data are species counts by location, as well as other environmental variables for each stream location sampled. This dataset is associated with the following publication: Stamp, J., A....
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The data described here are Structure from Motion (SfM) benthic habitat imagery from benthic transect surveys conducted at stratified random sites by the Pacific Islands Fisheries Science Center...
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This portion of the USGS data release presents acoustic-backscatter data collected during surveys performed in Floras Lake, Oregon in June 2018 (USGS Field Activity Number 2018-636-FA). Lake bed...
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The U.S. Geological Survey, in cooperation with the University of New Orleans, the Lake Pontchartrain Basin Foundation, the National Oceanic and Atmospheric Administration, the Coalition to...
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The photographs described in this dataset were collected using a Structure from Motion (SfM) approach during in-water marine debris swim surveys conducted by snorkelers in 2021, at sites where...
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This dataset is a digital elevation model (DEM) of the bathymetry for six sites where known rock structures exist in the St. Croix River. The DEMs have a 10-cm resolution (Boom site is 0.5-m) to...
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Chirp sub-bottom data were collected by the U.S. Geological Survey in 2019 offshore Humboldt County of northern California to expand data coverage along the southern Cascadia Margin.
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In June of 2007, the U.S. Geological Survey (USGS), in cooperation with the Louisiana Department of Natural Resources (LDNR), conducted a geophysical survey offshore of the Chandeleur Islands,...
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This archive consists of two-dimensional marine seismic reflection profile data collected in Timbalier Bay and in the Gulf of Mexico offshore East Timbalier Island, Louisiana. These data were...
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This collection includes various coral reef data that was extracted by analyses of Structure-from-Motion (SfM) imagery of coral reef ecosystems across the Pacific Islands Regions by the Ecosystem...
