745 datasets found
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Federal
Lithologic Descriptions of Bottom Sediments for the New England coast and the Gulf of Maine region (SMITHSONIAN shapefile)
Department of the Interior —
These data, which comprise part of the Smithsonian Institution Master Sediment data file, were abstracted by the staff of the Smithsonian Institution from materials... -
Federal
Computed Tomography (CT) scans of 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 includes computed tomography (CT) scans of sediment cores collected from Cargill Marsh, South San Francisco Bay, California on June 21, 2022, and... -
Federal
Shelf Sediments off Long Island (MCKINNEY70 shapefile)
Department of the Interior —
The detailed nature of relict sediments resulting from and related to the Holocene transgression is revealed through this sedimentological study of a densely sampled... -
Federal
Photographs of piston and gravity cores collected in September 2019 offshore of south-central California (USGS FAN 2019-642-FA)
Department of the Interior —
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.... -
Federal
Sediment Grain-Size Data from Sediment Cores Collected in March 2012 Along the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Numbers 12BIM01)
Department of the Interior —
Scientists from the U.S. Geological Survey (USGS), St. Petersburg Coastal and Marine Science Center collected a set of sediment cores from the back-barrier... -
Federal
Properties of sediment collected from two marshes and adjacent shallows in Northern San Francisco Bay, California, 2022-2023
Department of the Interior —
Bed sediment samples were collected from the intertidal, and subtidal shallows of San Pablo Bay National Wildlife Refuge and Corte Madera Bay near stations where... -
Federal
Chandeleur Islands radiochemistry data from USGS field activities 12BIM01, 12BIM02, and 12BIM05
Department of the Interior —
Scientists from the U.S. Geological Survey (USGS), St. Petersburg Coastal and Marine Science Center (SPCMSC) conducted a time-series collection of shallow sediment... -
Federal
Sediment processes on the coral reefs of Kahoolawe: a rapid field assessment in 1993 (NCEI Accession 0000883)
National Oceanic and Atmospheric Administration, Department of Commerce —
The nearshore coral ecosystems of Kahoolawe were rapidly assessed in 1993. Surveys were made of the coral coverage, fish communities, and sediment types from 19... -
Federal
Raster image of exposure potential to environmental health stressors in Edwin B. Forsythe National Wildlife Refuge (32-bit GeoTIFF)
Department of the Interior —
Natural and anthropogenic contaminants, pathogens, and viruses are found in soils and sediments throughout the United States. Enhanced dispersion and concentration of... -
State
Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Haines area, Juneau and Skagway quadrangles, southeast Alaska
State of Alaska —
The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's... -
Federal
Grain size, bulk density, and carbon content of sediment collected from Whale's Tail South marsh and adjacent bay floor, South San Francisco Bay, California, 2021-2022 (ver. 2.0, March 2025)
Department of the Interior —
Sediment samples were collected on and adjacent to the Whale's Tail South marsh. Short push-cores of bed sediment were collected in South San Francisco Bay adjacent... -
State
Surface Water - Sampling Location Information
State of California —
Information about sampling locations for data from the California Environmental Data Exchange Network (CEDEN). This set of... -
Federal
Characterization of seafloor photographs near the mouth of the Elwha River during the first two years of dam removal (2011-2013)
Department of the Interior —
We characterized seafloor sediment conditions near the mouth of the Elwha River from underwater photographs taken every four hours from September 2011 to December... -
Federal
Portsmouth Naval Yard Sediment Data (JOHNSTON94 shapefile)
Department of the Interior —
The sediment data presented in this data layer were from an ecological study sited near the Portsmouth Naval Shipyard, Kittery, Maine. The analog data were originally... -
Federal
Still images in JPEG format of the sediment surface in the grab sampler, collected on Stellwagen Bank during U.S. Geological Survey field activity 2016-038-FA, aboard the R/V Auk, Sept. 16 and 19, 2016
Department of the Interior —
This field activity is part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall... -
Federal
Comma-delimited Text File of the Descriptive Logs of Cores Collected August, 2006 in the Nauset Marsh Area of Cape Cod, Massachusetts
Department of the Interior —
In order to test hypotheses about groundwater flow under and into estuaries and the Atlantic Ocean, geophysical surveys, geophysical probing, submarine groundwater... -
Federal
Sediment Sample and Site Information for Cores Collected between August-October 2010 Offshore of the Mississippi Barrier Islands (U.S. Geological Survey Field Activity Number 10CCT05)
Department of the Interior —
In 2010, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center collected sediment cores from coastal waters offshore of the... -
Federal
Arroyo de los Pinos - Left Sampler One Minute Acoustic Impact Pulse 8x Time Series Data
Department of the Interior —
Channel 3 (8x) amplification from the left impact sensor -
Federal
National Status and Trends: Bioeffects Program - Biscayne Bay, Florida (1995-1996) Database
National Oceanic and Atmospheric Administration, Department of Commerce —
The toxicity of sediments in Biscayne Bay and many adjoining tributaries was determined as part of a bioeffects assessments program managed by NOAA's National Status... -
Federal
Particle-size analysis results for a variety of natural and man-made materials used to assess the precision and accuracy of laboratory laser-diffraction particle-size analysis of fluvial sediment
Department of the Interior —
The dataset documents results from testing of 1) vendor-supplied reference materials 2) NIST-traceable polysidperse glass bead reference materials 3) mixtures of...
745 datasets found