15 datasets found
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Federal
Data from laboratory and field tests of an economical, environmentally sealed, self-contained pCO2 sensor for environmental studies
Department of the Interior —
This data release contains data from field and laboratory tests conducted by the USGS Groundwater Dating Lab between 2014 and 2017 during the development of a new... -
Federal
Organic geochemistry data of bulk sediments from the Escanaba Trough, off the coast of Northern California, USA, from May-June 2022.
Department of the Interior —
Organic carbon groupings representing different labilities were extracted from sediments collected in the Escanaba Trough from May and June 2022. Organic carbon... -
Federal
Comparison of methane concentration and stable carbon isotope data for natural samples analyzed by discrete sample introduction module - cavity ring down spectroscopy (DSIM-CRDS) and traditional methods
Department of the Interior —
A discrete sample introduction module (DSIM) was developed and interfaced to a cavity ring-down spectrometer to enable measurements of methane and CO2 concentrations... -
Federal
Data from: Compound hydroclimatic extremes in a semi-arid grassland: Drought, deluge and the carbon cycle
Department of Agriculture —
These data were generated to evaluate the effects of compound hydroclimatic extremes – a deluge during drought – on production and carbon cycling in a semi-arid... -
Federal
Porewater dissolved organic carbon and associated geochemical data for methane seeps in the Cascadia Margin: Astoria Canyon, Barkley Canyon, Hydrate Ridge, and Bullseye Vent
Department of the Interior —
These data include vertical profiles of concentrations and stable carbon isotope values of dissolved organic carbon (DOC), dissolved inorganic carbon (DIC), total... -
Federal
Data for Cleaner air reveals growing influence of climate on dissolved organic carbon trends
U.S. Environmental Protection Agency —
Surface water browning, the result of increasing concentrations of dissolved organic matter (DOM), has been widespread in northern ecosystems in recent decades. Here,... -
Federal
Sediment porewater nutrient data from the Escanaba Trough, off the coast of Northern California, USA, from May-June 2022.
Department of the Interior —
Nutrients were measured from porewaters of sediment within the Escanaba Trough, a hydrothermal spreading center. Location information (latitude, longitude, and depth)... -
Federal
Synoptic carbon gas fluxes from streams, rivers, and lakes in the conterminous US, USGS Landcarbon, 2012 to 2014
Department of the Interior —
In support of the USGS LandCarbon project, field observations of stream and lake carbon gas fluxes and other water-quality data were collected from surface waters in... -
Federal
Biospheric CO2 surface flux estimates from the Vegetation Photosynthesis & Respiration Model (VPRM) in the eastern USA and Canada: November 2016 to December 2021
National Institute of Standards and Technology —
Monthly zip files from November 2016 to December 2021, with each zip containing hourly .tif files with gridded CO2 fluxes at 0.02 degree resolution in an eastern... -
Federal
Organic geochemistry data of bulk sediments from the Escanaba Trough, off the coast of Northern California, USA, from May-June 2022.
Department of the Interior —
Bulk organic geochemistry data were determined on one to five cm subsamples of sediment push cores collected from the Escanaba Trough during May to June 2022. These... -
Federal
Compound specific isotope analysis of amino acids from Escanaba Trough sediments, off the coast of Northern California, USA, from May-June 2022.
Department of the Interior —
Stable carbon isotope ratios (d13C), stable nitrogen isotope ratios (d15N), and molar percentage data of amino acids were determined on one to five cm subsamples of... -
Federal
Geo-chemical Correction of Carbon-14 in Dissolved Inorganic Carbon used for Groundwater Age Dating in the Glacial Aquifer System, Conterminous United States
Department of the Interior —
Data provided here describe geochemical correction of carbon-14 in dissolved inorganic carbon (DIC) for groundwater age dating. Datasets include major ion chemistry... -
Federal
Grain size of bulk sediments from the Escanaba Trough, off the coast of Northern California, USA, from May-June 2022.
Department of the Interior —
Sediment grain size was determined on one to five cm subsamples of push cores collected from the Escanaba Trough during May to June 2022. -
Federal
Soil Methane and Combustible Gas Concentrations from Oil-Gas Well Pads in Utah, U.S.A.
Department of the Interior —
Soil gas methane and combustible gas concentrations collected from oil and gas well pad locations in Utah. Soil gas samples were measured on site and/or collected for... -
Federal
Lipid biomarker data from Escanaba Trough sediments, off the coast of Northern California, USA, from May-June 2022.
Department of the Interior —
Lipid biomarkers, including n-alkanes, polycyclic aromatic hydrocarbons (PAHs), and sterols, were measured on sediments from the Escanaba Trough, a hydrothermal...
15 datasets found