53 datasets found
-
Federal
Radiocarbon Data for Tree Ring Samples from Girdwood, Alaska
Department of the Interior —
This dataset consists of sample details and radiocarbon age data of tree-ring samples collected near Girdwood, Alaska, and analyzed at the National Ocean Sciences... -
Federal
St. Petersburg Coastal and Marine Science Center's Geologic Core and Sample Database Metadata
Department of the Interior —
This database contains a comprehensive inventory of geologic (coral, coral reef, limestone, and sediment) cores and samples collected, analyzed, published, and/or... -
Federal
Silicified wood from around Old Faithful Geyser, Yellowstone National Park: Scanning Electron Microscopy (SEM)
Department of the Interior —
Silicified wood samples were vacuum impregnated with epoxy, sectioned, and sputter coated with 10 nm Au/Pd at the U.S. Geological Survey, Menlo Park, CA. Samples were... -
Federal
Radiocarbon age dating of biological material from cores collected off central California in 1999, 2006, and 2019
Department of the Interior —
Results of radiocarbon age dating of planktic and benthic foraminifera collected from cores obtained in 1999, 2006, and 2019 offshore central California in the... -
Federal
Radiocarbon dating of silicified wood from around Artemisia Geyser in the Upper Geyser Basin, Yellowstone National Park
Department of the Interior —
Samples of silicified wood remnants from 8 trees were collected under research permit YELL-SCI-8030 on June 17, 2023, and on September 19, 2023 adjacent to Artemisia... -
Federal
Dissolved organic carbon and nitrogen release from boreal Holocene permafrost and seasonally frozen soils of Alaska
Department of the Interior —
Permafrost (perennially frozen) and active-layer (seasonally thawed) soils varying in soil carbon (C) and nitrogen (N) content and radiocarbon age were collected from... -
Federal
Core descriptions and sedimentologic data from vibracores and sand augers collected in 2021 and 2022 from Fire Island, New York
Department of the Interior —
In 2021 and 2022, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) and the USGS New York Water Science... -
Federal
Geochemical analysis of authigenic carbonates and chemosynthetic mussels at Atlantic Margin seeps (ver. 2.0, March 2019)
Department of the Interior —
Isotopic analyses of authigenic carbonates and methanotrophic deep-sea mussels, Bathymodiolus sp., was performed on samples collected from seep fields in the... -
Federal
Geochronological data for the Airport East trench site, West Valley fault zone, Salt Lake County, Utah
Department of the Interior —
This data release includes geochronological data for the Airport East trench site (40.795359°, -111.950438°) on the Taylorsville fault of the West Valley fault zone... -
Federal
Location Information, Discharge, and Water-Quality Data for Selected Wells, Springs, and Streams in the Harney Basin, Oregon
Department of the Interior —
This data release contains five comma separated value (csv) files that describe the location and water-quality data for wells, springs, and streams compiled for the... -
Federal
Carbon Isotope Concentrations in Stream Food Webs of the Arctic Network National Parks, Alaska, 2014-2016
Department of the Interior —
This dataset is one table with information on the carbon isotopes in samples collected from organic and mineral soils, streams, algae, invertebrates, and fish in the... -
Federal
Strewn shells of a large marine bivalve noted 2008 to 2017 on Anegada, British Virgin Islands
Department of the Interior —
This part of the data release lists 18 localities where the shells of the tiger lucine Codakia orbicularis, a large marine bivalve, have been found on Anegada.... -
Federal
Sedimentologic Data from Vibracores Collected in 2023 from St. Andrew Bay, Florida
Department of the Interior —
In April 2023, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) collected 11 sediment vibracores within... -
Federal
Core descriptions and sedimentologic data from vibracores collected in 2021 from Central Florida Gulf Coast Barrier Islands
Department of the Interior —
In 2021, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center (USGS SPCMSC) conducted ground penetrating radar (GPR) and... -
Federal
Radiocarbon measurements from core 721-1 obtained in 2002 off San Francisquito Creek in South San Francisco Bay
Department of the Interior —
This data release provides radiocarbon measurements from a core obtained off San Francisquito Creek in South San Francisco Bay. -
Federal
Discrete Classifications of Landforms (Geomorphons) for Anne Arundel County, Maryland in 2017
Department of the Interior —
This data release is part of a larger data release including data collected in the pursuit of identifying pre- and post-colonial riparian ecosystems found throughout... -
Federal
Ecological, Sedimentological, and Geochemical Results From 2019 Coring Along Main Creek and Bacon Ridge Branch, Anne Arundel County, Maryland
Department of the Interior —
This data release includes data collected in the pursuit of identifying pre- and post-colonial riparian ecosystems found throughout Anne Arundel County, Maryland,... -
Federal
Ground-Penetrating Radar for Select Stations in Main Creek and Bacon Ridge Sites in Anne Arundel County, Maryland for 2021
Department of the Interior —
This data release includes data collected in the pursuit of identifying pre- and post-colonial riparian ecosystems found throughout Anne Arundel County, Maryland,... -
Federal
Radiocarbon dates from the 2020 Bobcat Fire and 2013 Grand Fire, Transverse Ranges, Southern California
Department of the Interior —
This data release provides radiocarbon data for burned plant material collected from alluvial deposits following two wildfires in southern California. For the 2020... -
Federal
Silicified wood from around Old Faithful Geyser, Yellowstone National Park: Radiocarbon Dating
Department of the Interior —
Radiocarbon dating of silicified wood was performed at the U.S. Geological Survey’s Radiocarbon Laboratory in Denver, Colorado. All samples were chemically treated...
53 datasets found