745 datasets found
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Federal
Photoscans of cores collected in Ozette Lake, Washington, between 2019 and 2021
Department of the Interior —
Seismic-reflection data and cores were collected in Ozette Lake, Washington, from 2019 to 2021. These data were used to investigate submarine landslide deposits... -
State
Detrital zircon maximum depositional dates for the Jurassic Chinitna and Naknek Formations, lower Cook Inlet, Alaska: A preliminary view
State of Alaska —
This report and it's accompanying analytical data present uranium-lead (U-Pb) detrital zircon dates for the Paveloff Siltstone Member of the Chinitna Formation and... -
Federal
Grainsize data from vibracores collected in Ozette Lake, Washington, in 2019
Department of the Interior —
Grainsize data were collected from select sediment cores from Ozette Lake, Washington, in 2019. These data were used to investigate submarine landslide deposits... -
Federal
Sediment grab data from June 1995 in the inland bays of New York/New Jersey Harbor
National Oceanic and Atmospheric Administration, Department of Commerce —
Sediment grab samples were collected using a Shipek grab at pre-determined locations in the harbor. Grain size distributions and organic content were measured and... -
Federal
Matrix inhibition PCR and Microtox® 81.9% screening assay analytical results for samples collected for the Sediment-Bound Contaminant Resiliency and Response Strategy pilot study, northeastern United States, 2015
Department of the Interior —
Coastal communities are uniquely vulnerable to sea-level rise (SLR) and severe storms such as hurricanes. These events enhance the dispersion and concentration of... -
Federal
Exploring Hydrothermal System Response to Magma Supply and Crustal Thickness Gradients Along the Galapagos Spreading Center 2005
National Oceanic and Atmospheric Administration, Department of Commerce —
In December 2005 and January 2006, an interdisciplinary team of 38 scientists ventured to a deep sea site north of the Galapagos Islands to conduct research on the... -
Federal
Select Trace-Element Concentrations Determined using X-Ray Fluorescence in Bulk (Unsieved) Samples from Flood-Plain Cores Along Tributaries Draining the Washington County Barite District, Missouri, 2014
Department of the Interior —
These data contain concentrations of trace elements in unsieved flood-plain samples collected along tributaries draining the Washington County Barite District. -
Federal
Umpqua River Basin Geomorphic Mapping: Little Wolf, Slide, and South Fork Calapooya Creeks, 2014
Department of the Interior —
Interactions between geomorphic processes at multiple scales shape the distributions of habitats, species, and life stages that a river can support. Understanding... -
Federal
Coastal/Marine Ecological Classification Standard (CMECS) Benthic Habitat Classifications, 2014-2015, Gateway National Recreation Area
Department of the Interior —
Supervised classification utilized training texels of 30 x 30 to 90 x 90 pixels cut from GeoTiff orthotiles centered on the coordinates of the grab sample stations.... -
State
Soil index properties and radiocarbon ages of the Haines-Takshanuk Mountains-Chilkat Peninsula area statemap project, Southeast Alaska
State of Alaska —
Soil index properties and radiocarbon ages of the Haines-Takshanuk Mountains-Chilkat Peninsula area statemap project, Southeast Alaska, Raw Data File 2024-27,... -
Federal
Concentrations of metals, polycyclic aromatic hydrocarbons, and radionuclides for soils, pavement dust, and stream sediment for 10 urban watersheds
Department of the Interior —
These data represent a one-time synoptic survey of sampled soils, pavement dust, and stream sediment in 10 urban watersheds in three regions of the United States... -
Federal
Samples from the Georges Bank Canyons acquired in 1936 (STETSON36 shapefile)
Department of the Interior —
Submarine canyons cut into the edge of the continental shelf and the continental slope along much of the U.S. Atlantic coast. Three canyons along the southern edge of... -
Federal
Computed tomography (CT) scans of cored collected in Ozette Lake, Washington, between 2019 and 2021
Department of the Interior —
Sediment cores were collected in Ozette Lake, Washington, from 2019 to 2021. Cores were scanned using Computed Tomography (CT). These data were used to investigate... -
Federal
Estimate of sediment accumulation rates and bottom core ages in northeast lakes
U.S. Environmental Protection Agency —
Supplementary data for the report in the format of an Excel spreadsheet (with data dictionary) and an Microsoft Access database file (downloaded as a zip file). The... -
Federal
Historical methyl mercury in San Francisco Bay
Department of the Interior —
San Francisco Bay, California is considered a mercury-impaired watershed. Elevated concentrations of mercury are found in water and sediment as well as fish and... -
Federal
National Status and Trends: Bioeffects Program - Kachemak Bay Database
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 Kachemak Bay system in... -
State
Geologic and geochemical investigations, Nail Ridge area, northwest Big Delta Quadrangle, Alaska
State of Alaska —
Geologic and geochemical investigations, Nail Ridge area, northwest Big Delta Quadrangle, Alaska, Public Data File 85-38, describes the geology of a 60 km2 area in... -
Federal
Surface-sediment grain-size distributions of the Elwha River delta, Washington, August 2019
Department of the Interior —
This portion of the data release presents sediment grain-size data from samples collected on the Elwha River delta, Washington, in August 2019 (USGS Field Activity... -
Federal
Concentrations of Select Trace Elements Determined By X-Ray Fluorescence in Sediment Deposited on the Flood Plain from the December 2015 Flood and in Underlying Soils, Missouri, 2016.
Department of the Interior —
These data contain concentrations of select trace elements in samples collected on the flood plain from flood deposits from the December 2015 flood and underlying... -
State
Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Tonsina area, Valdez Quadrangle, 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...
745 datasets found