499 datasets found
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Federal
Minisparker seismic-reflection data collected southwest of Montague Island and southwest of Chenega, Alaska during field activity 2014-622-FA
Department of the Interior —
High-resolution single channel minisparker seismic-reflection data were collected by the U.S. Geological Survey and the Alaska Department of Fish and Game in May 2014... -
Federal
High-resolution acoustic backscatter data collected southwest of Chenega Island, Alaska during field activity 2014-622-FA
Department of the Interior —
High-resolution acoustic backscatter data were collected by the U.S. Geological Survey (USGS) and the Alaska Department of Fish and Game in May of 2014 southwest of... -
Federal
Still-image frame grabs and benthic habitat interpretation of underwater video footage, March 2014, Faga`alu Bay, American Samoa
Department of the Interior —
Underwater video 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... -
Federal
Information on sediment cores collected from Cargill Marsh, South San Francisco Bay, California during field activities 2022-643-FA and 2023-681-FA
Department of the Interior —
This dataset presents core information such as core IDs, core lengths, depth intervals, and locations from sediment cores collected from Cargill Marsh, South San... -
Federal
Radiocarbon sample data and calibrated ages of sediment cores collected in 2014 from the northern flank of Monterey Canyon, offshore California
Department of the Interior —
This part of the data release is a spreadsheet including radiocarbon sample information and calibrated ages of sediment cores collected in 2014 from the northern... -
Federal
Graphical representations of data from sediment cores collected in 2014 from the northern flank of Monterey Canyon, offshore California
Department of the Interior —
This part of the data release includes graphical representation (figures) of data of sediment cores collected in 2014 in Monterey Canyon. It is one of five files... -
Federal
Geochemistry of sediment and organic matter in drainages burned by the Altas and Nuns wildfires in October 2017 and of nearshore seabed sediment in north San Francisco Bay from March to April 2018
Department of the Interior —
Fine-grained sediment was collected from the banks of Napa River, Sonoma Creek, and tributaries in March 2018 and from shallow nearshore areas of the northern reach... -
Federal
Core descriptions and sand bed thickness data from Kahana Valley, O'ahu, Hawai'i
Department of the Interior —
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.... -
Federal
MGL1111backsgeo.asc: Multibeam backscatter data collected by the U.S. Geological Survey in the Bering Sea in 2011 during cruise MGL1111, 100-meter gridded data in Esri gridascii format, geographic coordinate system
Department of the Interior —
This raster dataset represents approximately 49,581 square kilometers of Simrad EM122 multibeam backscatter-intensity data collected in the Bering Sea during U.S.... -
Federal
SEG-Y format of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)
Department of the Interior —
These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal... -
Federal
USGS Seafloor Mapping DIAN 97032 Chirp Subbottom Data offshore of the New York - New Jersey metropolitan area
Department of the Interior —
This DVD-ROM contains digital high resolution seismic reflection data collected during the USGS DIAN 97032 cruise. The coverage is the nearshore of Long Island, NY in... -
Federal
Archive of Digital Boomer Seismic Reflection Data Collected During USGS Field Activity 08LCA01 in 10 Central Florida Lakes, March 2008
Department of the Interior —
In March of 2008, the U.S. Geological Survey and St. Johns River Water Management District (SJRWMD) conducted geophysical surveys in Lakes Avalon, Big, Colby, Helen,... -
Federal
Seafloor character offshore of Point Buchon, California
Department of the Interior —
Seafloor character, a combination of seafloor induration (surface hardness) and rugosity, was derived from multibeam echosounder (MBES) and annotated underwater video... -
Federal
Parent and alkylated polycyclic aromatic hydrocarbons (PAHs) and per- and polyfluoroalkyl substances (PFAS) in north San Francisco Bay, Napa River, and Sonoma Creek in 2018 and 2019
Department of the Interior —
Sediment grain-size distributions, stable carbon isotope ratios (d13C), total carbon to total nitrogen ratios (C:N), short-lived radionuclides (Beryllium-7,... -
Federal
Eastern Lake Erie Benthic Habitat 2020
National Oceanic and Atmospheric Administration, Department of Commerce —
These data represent benthic habitats in a coastal area of eastern Lake Erie. The area extends approximately 200 kilometers between Conneaut, Ohio, and Buffalo, New... -
Federal
Radiocarbon data from coastal wetlands on the Hawaiian islands of Kaua'i, O'ahu, and Hawai'i
Department of the Interior —
This portion of the data release presents radiocarbon age data from 66 samples collected from Anahola Valley (Kaua'i), Kahana Valley (O'ahu), and Pololu Valley... -
Federal
Surface sediment grain size distributions derived from automated image processing of in situ seafloor images from the lower Columbia River, Washington and Oregon, 2021
Department of the Interior —
This dataset contains surface sediment grain size distributions derived from automated image processing of in situ seafloor images obtained with an underwater camera... -
Federal
MGL1109backsutm.sd: Multibeam backscatter data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, 100-meter gridded data in Fledermaus digital terrain format, UTM 6 coordinates
Department of the Interior —
This raster dataset represents approximately 69,060 square kilometers of Simrad EM122 multibeam-backscatter data collected in the Gulf of Alaska during U.S.... -
Federal
Chirp seismic-reflection and navigation data collected in Alaskan lakes and fjords following the 2018 Anchorage earthquake
Department of the Interior —
Chirp seismic-reflection data and associated navigation files were collected from lacustrine and fjord basins in southcentral Alaska following the 2018 Anchorage... -
Federal
NCCOS Mapping: lakebed maps and associated geospatial data of Wisconsin - Lake Superior, 2020-07-25 to 2022-03-01 (NCEI Accession 0252121)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes lakebed maps and associated geospatial data in Lake Superior, offshore the Wisconsin Bayfield Peninsula and the Apostle Islands National...
499 datasets found