745 datasets found
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Federal
Sediments of Narragansett Bay acquired in 1960 (MCMASTER60 shapefile)
Department of the Interior —
Gravel, sand, silt, and clay contents were determined for samples from Narragansett Bay and the adjacent Rhode Island Shelf. In the Narragansett Bay system, clayey... -
State
Surface Water - Chemistry Results - CEDEN Augmentation
State of California —
This dataset includes field and lab chemistry data that has been submitted to the California Environmental Data Exchange Network... -
State
Single-beam bathymetric data near Kongiganak, Alaska, collected June 6, 2023
State of Alaska —
Single-beam bathymetric data near Kongiganak, Alaska, collected June 6, 2023, Raw Data File 2024-4, presents bathymetric data collected along the Kongnignanohk River... -
Federal
Thickness and characteristics of overbank sediment deposited during an extreme flood in May 1978 along Powder River, Montana, USA
Department of the Interior —
This data release consists of tables with the thickness and particle-size characteristics of overbank sediment deposited in May 1978 along the valley of Powder River... -
County
Marine Benthic Abundance Data
King County, Washington —
This dataset contains Puget Sound benthic abundance data. Before accessing data please download the README file. King County monitors the community of animals that... -
Federal
Digital terrain models of Spirit Lake blockage and Mount St. Helens debris avalanche, based on 1980-2018 airborne photogrammetry surveys
Department of the Interior —
The lateral blast, debris avalanche, pyroclastic flows, and lahars of the May 18th, 1980, eruption of Mount St. Helens, Washington, dramatically altered the... -
Federal
Determination of the effect of temperature (Q10) on denitrification rates in sediments collected from a groundwater discharge site in Ashumet Pond on Cape Cod, MA
Department of the Interior —
This data release presents results from a laboratory study designed to measure the effect of temperature on denitrification rates in sediments collected from 5- to... -
Federal
National Status and Trends: Bioeffects Assessment Program, Delaware Bay Summary Database (1997)
National Oceanic and Atmospheric Administration, Department of Commerce —
This study was based on the sediment quality triad (SQT) approach. A stratified probabilistic sampling design was utilized to characterize the Delaware Bay system in... -
State
Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Inmachuk, Kugruk, Kiwalik, and Koyuk River drainages, Granite Mountain, and the northern Darby Mountains, Bendeleben, Candle, Kotzebue, and Solomon quadrangles, 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
U.S.V.I. Relative Erosion Potential - 1990
National Oceanic and Atmospheric Administration, Department of Commerce —
The relative erosion potential is an indicator of sediment and pollution runoff from land based on slope, soil type, land cover (circa 1990) and (maximum monthly)... -
Federal
Peat Thickness Measurements from Grand Bay, Mississippi and Alabama
Department of the Interior —
Location and elevation data were collected along with peat auger cores during six U.S. Geological Survey (USGS) field activities from 2013-2018 in and around Grand... -
Federal
Lumbriculus variegatus loading study
U.S. Environmental Protection Agency —
Results from sediment bioaccumulation tests with Lumbriculus variegatus with evaluating the effects of organism loading density. This dataset is associated with the... -
Federal
U.S. Naval Oceanographic Office Cores (BOCKMAN65 shapefile)
Department of the Interior —
The results of the sediment size analysis performed by the U.S.Naval Oceanographic Office Geological Laboratory for six Phleger gravity cores are presented in this... -
Federal
Grain-size data for sediment samples collected in Whiskeytown Lake, northern California, in 2018 and 2019
Department of the Interior —
This data release includes grain-size data from sediment samples collected in submerged and subaerial regions in Whiskeytown Lake and around the reservoir margin.... -
Federal
2019 FIIS Sediment Elevation Table Monitoring Data, exported from IMD SQL Server database
Department of the Interior —
These files contain SET monitoring data collected at Cape Cod National Seashore -
Federal
PAC_PRS - Parsed seabed data for the continental margin of the U.S. Pacific Coast (California, Oregon, Washington) from usSEABED (pac_prs.txt)
Department of the Interior —
This data layer (PAC_PRS.txt) is one of five point coverages of known sediment samples, inspections, and probes from the usSEABED data collection for the U.S. Pacific... -
Federal
Sediment Sample Locations Collected in August 2015 from Dauphin Island and the surrounding areas
Department of the Interior —
Scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center collected 303 surface sediment samples from Dauphin Island, Alabama, and... -
Federal
usSEABED component and features data for the entire U.S. Atlantic Coast (ATL_CMP)
Department of the Interior —
This component data layer (_CMP.txt) file gives information about selected components (minerals, rock type, microfossils, benthic biota) and seafloor features... -
Federal
Diatoms in lake sediments from western Great Lake parks
Department of the Interior —
These datasets contain counts of diatom taxa in various long cores and surface samples from lake bottom sediments. Samples were collected as part of water quality... -
Federal
Water Data for Nisqually River at Site NR2
Department of the Interior —
Multiple sensors for measuring stage (water level), water temperature, specific conductivity, turbidity and water velocity were installed at site NR2 (N 47d 04'...
745 datasets found