Filters: Tags: carbon cycle (X) > Categories: Data (X)

Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) OGC WMS Service (2) Citation (1) Contacts U.S. Geological Survey - ScienceBase Ryan C Rowland Edward G Stets Water Resources Woods Hole Coastal and Marine Science Center More... Tag Types Theme (4) Place (4) USGS Scientific Topic Keyword (3) Harvest Set (3) Tag Schemes National Agricultural Library Thesaurus (1) Utah Division of Oil Gas and Mining Online Database; Field Name (1) None (2) USGS Thesaurus (3) CommonGeographicAreas (1) ISO 19115 Topic Category (2) Marine Realms Information Bank (MRIB) keywords (2) More... View Results as: JSON ATOM CSV

Soil Methane and Combustible Gas Concentrations from Oil-Gas Well Pads in Utah, U.S.A. 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 later analysis as described in supporting documentation. Multiple sample locations around well head and depths within the soil profile are available for select sites. Supporting documents provide information of sample collection protocol and data quality assurance. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Big Flat, Big Indian North, Big Indian South, Big Valley, Bluebell, All tags... Bonanza, Buck Canyon, Carbon, Clay Basin, Clear Creek, Daggett, Duchesne, Emery, Fence Canyon, Grand, Hell Roaring, Hell's Hole, Horseshoe Bend, Land, Lisbon, Long Canyon, Love, Natural Buttes, Nine Mile Canyon, North America, North and Central America, Open-File Report, Pariette Bench, Park Road, Peters Point, Pine Springs, Randlett, Red Wash, Rock House, San Juan, South Pine Ridge, USGS Science Data Catalog (SDC), Uintah, Undesignated, United States, United States, Utah, Utah, Walker Hollow, White River, Wildcat, Wonsits Valley, air, air pollution, air quality, airshed, arid lands, aromatic hydrocarbons, atmospheric chemistry, atmospheric sciences, carbon cycle, chemistry, dispersion, disturbed soils, drained conditions, energy resources, energy use and consumption, environmental quality, environmental science, flooded conditions, fossil fuels, fuels, gas chromatography, gas exchange, gases, geochemistry, global carbon budget, global methane budget, greenhouse gases, hydrocarbons, interagency programs, land management, mass flow, methane, mineral resources, natural gas, nonrenewable resources, oil field soils, oil fields, oil shale, partnerships, petroleum, point source pollution, pollution, poorly drained soils, public lands, reclaimed soils, saturated conditions, sediment contamination, soil, soil air, soil chemistry, soil pollution, soil science, soil sciences, soil water, soil-atmosphere interactions, transect sampling, unsaturated conditions, vadose zone, Fewer tags Data from laboratory and field tests of an economical, environmentally sealed, self-contained pCO2 sensor for environmental studies This release contains data from field and laboratory tests conducted by the USGS Groundwater Dating Laboratory between 2014 and 2017 during the development of a new dissolved and gas phase carbon dioxide sensor. The release also contains results of calibration, intercomparison, temperature, humidity, and stability experiments, as well as monitoring studies of CO2 in soil surface gas in the Amargosa Desert during the Toxic Substances Hydrology Amargosa Desert Research Site (ADRS) project, and measurements of dissolved CO2 (pCO2) in Upper Klamath Lake, in laboratory plant mesocosm studies at USGS headquarters in Reston, Virginia, as well as in creeks and streams in Northern Virginia. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Amargosa Desert, NV, Climatology, Environmental Health, Fairfax County, Geochemistry, All tags... Hydrogeology, USGS Science Data Catalog (SDC), Upper Amargosa, Upper Klamath Lake, Water Quality, Water Resources, atmospheric temperature measurement, carbon, carbon cycle, climateologyMeteorologyAtmosphere, environment, inlandWaters, Fewer tags 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 A discrete sample introduction module (DSIM) was developed and interfaced to a cavity ring-down spectrometer to enable measurements of methane and CO2 concentrations and 13C values with a commercially available cavity ring-down spectrometer (CRDS). The DSIM-CRDS system permits the analysis of limited volume (5 - 100-ml) samples ranging six orders-of-magnitude from 100% analyte to the lower limit of instrument detection (2 ppm). We demonstrate system performance for methane by comparing concentrations and 13C results obtained by the DSIM and traditional methods for a variety of sample types, including low concentration (nanomolar) seawater and high concentration (> 90%) natural gas. The expansive concentration range... Categories: Data; Tags: Geochemistry, Temperate Northern Atlantic, Temperate Northern Pacific, U.S. Geological Survey, USGS, All tags... biogeochemistry, carbon cycle, carbon cycling, carbon dioxide, carbon isotope analysis, cavity ring-down spectroscopy, eastern continental margin of India, environment, gas hydrate resources, geochemical data, geochemistry, geochemistry, isotope geochemistry, marine chemistry, methane, methane hydrate, northern Cascadia margin, northern US Atlantic margin, ocean characteristics, oceanography, oceans, sediment geochemistry, stable isotopes, Fewer tags Synoptic carbon gas fluxes from streams, rivers, and lakes in the conterminous US, USGS Landcarbon, 2012 to 2014 NOTE: This data release has been deprecated. 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 the conterminous US. The sampling was designed to cover a variety of geographic, climatic, and environmental settings to better understand the ranges and distributions of carbon gas fluxes from surface waters. Field observations of carbon gas concentration and flux were paired with laboratory measurements of stream chemical characteristics. Locations were derived from field GPS values or from listed coordinates of USGS streamgages located at the sampling site. Discharge data was either measured in the field... Categories: Data; Types: Citation; Tags: Carbon cycle, Conterminous U.S., Inland waters, USGS Science Data Catalog (SDC), Water Resources