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Stable isotopic ratios of hydrogen and oxygen in groundwater and calculated fraction of recharge from winter precipitation, South Rim Grand Canyon, Arizona Dataset provides inputs and model results of a stable isotope-based mixing model for estimating the relative contribution of seasonal recharge sources to the South Rim groundwater flow system, Grand Canyon, Arizona, USA. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Coconino, Geochemistry, Grand Canyon, Hydrology, All tags... North America, USGS Science Data Catalog (SDC), Water Resources, atmospheric sciences, biota, climatologyMeteorologyAtmosphere, earth sciences, environment, geoscientificInformation, geospatial dataset, groundwater, groundwater flow, hydrogeology, hydrology, light stable isotope analysis, mathematical modeling, precipitation (atmospheric), recharge, runoff, scientific interpretation, water chemistry, water cycle, Fewer tags Geochemical Correction of Carbon-14 in Dissolved Inorganic Carbon used for Groundwater Age Dating in the Glacial Aquifer System, Conterminous United States Data provided here describe geochemical correction of carbon-14 in dissolved inorganic carbon (DIC) for groundwater age dating. Datasets include major ion chemistry of groundwater samples, model parameter inputs, and final corrected carbon-14 in DIC. Geochemical correction was completed in two phases: determination of reactive phase mole transfers through an inverse geochemical model (PHREEQC; Parkhurst and Appleo, 1992) and tracking of isotopic mass transfer among phases (NetpathXL; Parkhusrtand Charlton, 2008). Parkhurst, D.L., and Appelo, C.A.J., 2013, Description of input and examples for PHREEQC version 3—A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical... Tags: Cenozoic, Connecticut, Holocene, Idaho, Illinois, All tags... Indiana, Iowa, Kansas, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, NAWQA, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Pleistocene, Quaternary, Rhode Island, South Dakota, USGS Science Data Catalog (SDC), Vermont, Washington, Wisconsin, alkalinity, aqueous solutions, atmospheric chemistry, calcium, carbon cycle, carbonate minerals, carbonate rocks, chemical equilibrium, chemical interactions, chemical precipitation, chemical speciation, cycle 3, data release, dissolved carbon dioxide, dissolved gases, exchangeable cations, gas exchange, geochemical processes, geochemistry, glacial deposits, glacial drift, glacial soils, groundwater, groundwater, groundwater flow, groundwater quality, half life, hydrogeochemistry, hydrogeology, isotope fractionation, magnesium, mathematical simulation, minerals, rain, soil chemistry, soil chemistry, soil sciences, soil water, soil-plant-atmosphere interactions, solubility, stable isotopes, thermodynamics, unsaturated flow, vadose zone, water analysis, water chemistry, water quality, Fewer tags Dissolved Gas, Environmental Tracer Concentrations, and Lumped Parameter Modeling Results for Groundwater Age Dating in the Glacial Aquifer System, Conterminous United States This data release documents nine Microsoft Excel tables that contain data for understanding groundwater ages in the Glacial aquifer system. Results for the three sample networks (PAS, principal aquifer study; MSS, modeling support study; FPS, flow path study) are described by three tables each: dissolved gas modeling results, environmental tracer concentrations (tritium, tritiogenic helium-3, sulfur hexafluoride, carbon-14, and radiogenic helium-4), and results for the mean age and age distribution. Tables are labeled by network and data type (as described below) separated by an underscore (_). For example, dissolved gas modeling results from the PAS network is label ‘PAS_NGmodel’. Dissolved gas modeling results... Tags: Connecticut, Dissolved gas, Glacial Aquifer System, Groundwater, Groundwater age, All tags... Idaho, Illinois, Indiana, Iowa, Kansas, Lumped parameter modeling, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, NAWQA, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Recharge temperature, Rhode Island, South Dakota, USGS Science Data Catalog (SDC), Vermont, Washington, Water quality, Wisconsin, cycle 3, Fewer tags Lumped parameter models of groundwater age, Spanish Valley Watershed, Grand and San Juan Counties, Utah This data release documents two Microsoft Excel tables; one contains data for understanding groundwater ages in the Spanish Valley watershed, and one that describe the data fields. Mean ages and age distributions from 19 groundwater samples were estimated in support of an evaluation of the groundwater resources of the Spanish Valley watershed (Masbruch and others, 2019). Individual groundwater well and spring vulnerability to land-surface contamination and changes in hydraulic conditions (for example, water extraction or reduced recharge) can be assessed using environmental tracer-based groundwater age. The detailed interpretation of groundwater age reported here supplements the apparent tracer ages of Masbruch... Tags: Dissolved gas, Geochemistry, Grand County, Groundwater, Groundwater age, All tags... Hydrology, Lumped parameter modeling, San Juan County, Spanish Valley, USGS Science Data Catalog (SDC), Utah, Utah, Water quality, Fewer tags Dissolved Gas and Tracer Concentrations for the High Plains Aquifer, Vertical Flowpath Study Network This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the High Plains aquifer system. Results of dissolved-gas modeling using environmental tracer concentrations (tritium, tritiogenic helium-3, and radiogenic helium-4), for the sample network (VPFS, vertical flow path study) are described. Dissolved gas modeling results (ModOut) contains detailed information on the calibration of dissolved gas models to measured dissolved-gas concentrations (neon, argon, krypton, xenon, and nitrogen). Calibration was done using methods described by Aeschbach-Hertig and others (1999 & 2000) with modifications to include nitrogen gas (Weiss,... Categories: Data; Tags: Dissolved gas, Environmental tracers, High Plains Aquifer, Hydrology, Nebraska, All tags... Noble gas, Recharge temperatures, USGS Science Data Catalog (SDC), Water Quality, Fewer tags Lumped parameter models of groundwater age and noble gas models of recharge conditions in support of Groundwater and Surface-Water Resources near Red Fleet Reservoir, Uintah County, Utah This data release documents four Microsoft Excel tables; one contains data for understanding water ages, one contains noble gas model data, two that describe the data fields. Results described include environmental tracer concentrations (tritium, tritiogenic helium-3, choloroflourocarbons, and radiogenic helium-4), mean age and age distribution, noble gas concentrations, and groundwater recharge conditions. Mean age and age distribution results (LPM) contain final models of groundwater age by calibration of lumped parameter models to tracer concentrations (Jurgens and others, 2012). Please see the main manuscript for additional details on the results presented in this table. Noble gas model results (CEmodel) contain... Categories: Data; Tags: Dissolved gas, Geochemistry, Groundwater, Groundwater age, Hydrology, All tags... Lumped parameter modeling, Recharge temperature, Red Fleet Reservoir, USGS Science Data Catalog (SDC), Uintah County, Uintah County, Utah, Utah, Water balance, Fewer tags 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 Lumped parameter models of groundwater age from the Columbia Plateau Aquifer, Vertical Flowpath Study Network This data release documents two Microsoft Excel tables that contain data for understanding tracer concentrations and groundwater age in the Columbia Plateau aquifer system. Results for geochemical correction of carbon-14, and lumped parameter modeling of groundwater age for the sample network (VPFS, vertical flow path study) are described. Geochemical carbon-14 correction results (RFG) describe geochemical correction of carbon-14 in dissolved inorganic carbon (DIC) for groundwater age dating. Datasets includes measured water parameters and chemistry, model parameter inputs, and final corrected carbon-14 in DIC. Geochemical correction was completed using the revised Fontes and Granier model of Han and Plummer (2013).... Categories: Data; Tags: Columbia Plateau Aquifer, Environmental tracers, Geochemistry, Hydrology, USGS Science Data Catalog (SDC), All tags... Washington, groundwater age, lumped parameter modeling, radiocarbon, Fewer tags Dissolved gas and tracer concentrations from the Columbia Plateau Aquifer, Vertical Flowpath Study Network This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the Columbia Plateau aquifer system. Results of dissolved-gas modeling using environmental tracer concentrations (tritium, tritiogenic helium-3, and radiogenic helium-4), for the sample network (VPFS, vertical flow path study) are described. Dissolved gas modeling results (ModOut) contains detailed information on the calibration of dissolved gas models to measured dissolved-gas concentrations (neon, argon, krypton, xenon, and nitrogen). Calibration was done using methods described by Aeschbach-Hertig and others (1999 & 2000) with modifications to include nitrogen gas... Categories: Data; Tags: Columbia Plateau Aquifer, Dissolved gas, Environmental tracers, Geochemistry, Hydrology, All tags... Noble gas, Recharge temperatures, USGS Science Data Catalog (SDC), Washington, Fewer tags Lumped Parameter Models of Groundwater Age, South Loup River, Nebraska This data release describes one (1) Microsoft Excel table of lumped parameter models of groundwater age for groundwater discharging to the South Loup River, Nebraska. The table (LPMAgeResults) includes final models of groundwater age and metrics by calibration of lumped parameter models to tracer concentrations using TracerLPM software (Jurgens and others, 2012). Interpreted results presented here were used to guide hydrologic interpretations of groundwater sources and flow paths of groundwater discharging to the South Loup River, NE. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Geochemistry, Hydrology, Nebraska, Nebraska Sand Hills, Northern High Plains Region, All tags... USGS Science Data Catalog (SDC), United States, age estimation methods, environment, groundwater, mathematical simulation, tracer study, water chemistry, Fewer tags Noble gas isotopes and lumped parameter model results for environmental tracer based groundwater ages, South Rim Grand Canyon, Arizona, USA This data release documents three Microsoft Excel tables; one contains noble gas isotopic data, one contains data for understanding groundwater ages in the South Rim of the Grand Canyon, and one that describe the data fields. Results described include raw noble gas concentrations, environmental tracer concentrations (tritium, tritiogenic helium-3, sulfur hexafluoride, carbon-14, and chlorofluorocarbons), and mean age and age distribution. Noble gas isotopes (NobleGas) contain noble gas isotope concentrations measured for South Rim springs. Samples were collected in pinch clousure copper tubes (Weiss, 1968) and analyzed at the University of Utah Dissolved Gas Lab. Mean age and age distribution... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Dissolved gas, Geochemistry, Grand Canyon, Grand Canyon, All tags... Grand Canyon National Park, Groundwater, Groundwater age, Havasupai Reservation, Hydrology, Lumped parameter modeling, Noble gas isotopes, Recharge temperature, South Rim, USGS Science Data Catalog (SDC), Water quality, age tracers, desert southwest, environmental tracers, groundwater, groundwater age, isotopes, noble gas, south rim, Fewer tags