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This USGS Data Release supports USGS Scientific Investigations Report (SIR) 2017-5079. Following is the abstract from SIR 2017-5079: This report documents methodology and results of a study to evaluate groundwater discharge by evapotranspiration (GWET) in sparsely vegetated areas of Amargosa Desert and improve understanding of hydrologic-continuum processes controlling groundwater discharge. Evapotranspiration and GWET rates were computed and characterized at three sites over 2 years using a combination of micrometeorological, unsaturated zone, and stable-isotope measurements. One site (Amargosa Flat Shallow [AFS]) was in a sparse and isolated area of saltgrass (Distichlis spicata) where the depth to groundwater...
Categories: Data;
Types: Citation;
Tags: Amargosa Desert,
Amargosa Flat,
Evapotranspiration,
Groundwater levels,
Nevada,
The dataset is a model archive containing all relevant files to document and re-run the models that are discussed in the report: Fenelon, J.M., Halford, K.J., and Moreo, M.T., 2016, Delineation of the Pahute Mesa-Oasis Valley groundwater basin, Nevada: U.S. Geological Survey Scientific Investigations Report 2015-5175, http://dx.doi.org/10.3133/sir20155175.
Types: Citation;
Tags: Hydrogeology,
Nye County,
Oasis Valley,
Pahute Mesa,
USGS Science Data Catalog (SDC),
Note: This data release has been revised. Find version 2.0 here: https://doi.org/10.5066/F75H7FH3. Groundwater withdrawal estimates from 1913-2010 for the Death Valley regional groundwater flow system (DVRFS) are compiled in a Microsoft® Access database. This database updates two previously published databases (Moreo and others, 2003; Moreo and Justet, 2008). A total of about 38,000 acre-feet of groundwater was withdrawn from the DVRFS in 2010, of which 47 percent was used for irrigation, 22 percent for domestic, and 31 percent for public supply, commercial, and mining activities. The updated database was compiled to support ongoing efforts to model groundwater flow in the DVRFS. References cited: Moreo, M.T.,...
A three-dimensional, groundwater-flow model developed by Halford and Jackson (https://doi.org/10.3133/pp1863) was used to simulate effects of future (2020—2120) groundwater pumping on water levels and natural discharges in the Alkali Flat–Furnace Creek Ranch (AFFCR), Ash Meadows, Pahute Mesa–Oasis Valley (PMOV), and Pahrump to Death Valley South (PDVS) groundwater basins, southern Nevada and California. Four pumping scenarios were simulated, including a base case and scenarios A, B, and C. Scenarios were simulated from 1913 to 2120, with historical pumping occurring from 1913 to 2010, historical 2010 pumping rates projected from 2010 to 2020, and scenario pumping beginning in 2020. The base case projected 2010 pumping...
This data set consists of polylines representing groundwater-level altitude contours, 1982, for middle Humboldt River basin, north-central Nevada as published on plate 2, figure 3 in the U.S. Geological Survey Water-Resources Investigations Report 98-4209 titled "Hydrogeologic framework and ground-water levels, 1982 and 1996, middle Humboldt River basin, north-central Nevada," 1999. A subset of the contours were published as part of a larger data set representing water-table contours for Nevada (Buto and others, 2006). The remaining contours have been added to complete this data set. References Cited Buto, S.G., Evetts, D.M., Smith-Sager, S., 2006, Water-table contours of Nevada, accessed May 16, 2018 at URL https://water.usgs.gov/lookup/getspatial?sir2006-5100_wanv_l.
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Antelope Valley,
Boulder Flat,
Carico Lake Valley,
Crescent Valley,
Elko County,
This data release (version 2.0, December 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2018 and other hydrologic information for 910 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 3.0 (January 2020) of the data release.
This data release (version 1.0, August 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2017 and other hydrologic information for 904 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 2.0 (December 2018) of the data release.
This data set consists of polylines representing groundwater-level altitude contours, 1996, for middle Humboldt River basin, north-central Nevada as published on plate 2, figure 4 in the U.S. Geological Survey Water-Resources Investigations Report 98-4209 titled "Hydrogeologic framework and ground-water levels, 1982 and 1996, middle Humboldt River basin, north-central Nevada," 1999. A subset of the contours were published as part of a larger data set representing water-table contours for Nevada (Buto and others, 2006). References Cited Buto, S.G., Evetts, D.M., Smith-Sager, S., 2006, Water-table contours of Nevada, accessed May 16, 2018 at URL https://water.usgs.gov/lookup/getspatial?sir2006-5100_wanv_l.
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Antelope Valley,
Boulder Flat,
Carico Lake Valley,
Crescent Valley,
Elko County,
This data release (version 2.0, December 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2018 and other hydrologic information for 910 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 3.0 (January 2020) of the data release.
Selected evapotranspiration data were collected from 7/5/2011 to 1/1/2017 at the Amargosa Desert Research Site (ADRS, https://nevada.usgs.gov/adrs/) in support of ongoing research to improve the understanding of hydrologic and contaminant-transport processes in arid environments. The data presented in this data release includes 30-minute and daily evapotranspiration and associated energy-balance fluxes, precipitation, soil water content, air and soil temperature, wind speed and direction, humidity, and photosynthetically active radiation. Data methods follow those described in Moreo and others (2017). This is the third in a series of three releases of evapotranspiration data, which has been measured continuously...
Categories: Data;
Tags: Amargosa Desert,
Amargosa Desert Research Site,
Climatology,
Ecology,
Energy budget,
This data release describes micrometeorological and soil-moisture data collected from January 1, 2017 through May 31, 2019 at the Amargosa Desert Research Site adjacent to a low-level radioactive waste and hazardous chemical waste facility near Beatty, Nevada. Micrometeorological data include precipitation, solar radiation, air temperature, relative humidity, saturated and ambient vapor pressure, wind speed and direction, barometric pressure, and soil-water content. Soil-moisture data include periodic measurements of volumetric water-content at four experimental sites that represent vegetated native soil, devegetated native soil, and two simulated waste disposal trenches—maximum measurement depths range from 5.25...
Categories: Data;
Tags: Amargosa Desert,
Armagosa Desert Research Site,
Climatology,
Mojave Desert,
Nevada,
A three-dimensional, groundwater-flow model (MODFLOW-2005) was developed to estimate the hydraulic properties (e.g., transmissivity, hydraulic conductivity, specific yield, and specific storage) of volcanic rocks in Pahute Mesa, Nye County, Nevada. The model was calibrated using parameter estimation (PEST) by fitting estimated drawdowns to simulated drawdowns from 16 multiple-well aquifer tests. Water-level models were used to estimate drawdowns from continuous water-level data collected during multiple-well aquifer testing. This USGS data release contains all of the input and output files for the simulations described in the associated model documentation report (http://doi.org/10.3133/sir20165151). This data release...
This data release (version 4.0, February 2021) consists of a Microsoft® Access database and Microsoft® Excel workbook that contain water levels collected from 1941 to 2020 and other hydrologic information for 925 wells in and near areas of underground nuclear testing at the Nevada Test Site. The three worksheets in the Microsoft® Excel workbook also are provided as individual comma-separated values (CSV) files. Data and information in the database and workbook have been updated and are superseded by version 5.0 (February 2022) of the data release.
These data comprise the target and non-target VOC measurements collected from 1999 to 2016 from the shallow and deep unsaturated zone at the Amargosa Desert Research Site adjacent to a low-level radioactive waste and hazardous chemical waste facility near Beatty, Nevada. All data are compiled in electronic text files that are included with this release.
This data release consists of a ZIP file that includes: two Excel workbooks, detailed metadata files, and data directories. The Hydraulic Properties Database (HPD; Table-of-AQtests.xlsm) is an interactive Excel workbook that catalogues single-well, aquifer-test results at Pahute Mesa and vicinity. Results from 1,459 single-well, aquifer-test analyses are uniquely identified to 360 tested wells. The Integrated Borehole Workbook (Borehole_Index_PM.xlsm) is an interactive Excel workbook that presents integrated results from slug tests and pumping aquifer tests that took place in 17 boreholes in Pahute Mesa and vicinity from 1962 to 2013. The Metadata folder has detailed metadata.xml files for both Excel workbooks....
This data release (version 2.0, December 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2018 and other hydrologic information for 910 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 3.0 (January 2020) of the data release.
This data release (version 1.0, August 2018) consists of two files, a Microsoft® Access database and Microsoft® Excel workbook, that contain water levels collected from 1941 to 2017 and other hydrologic information for 904 wells in and near areas of underground nuclear testing at the Nevada Test Site. Data and information in the database and workbook have been updated and are superseded by version 3.0 (January 2020) of the data release.
This data release consists of a Microsoft® Access database that contains groundwater withdrawal estimates from known and approximate well locations (withdrawal points) in the Death Valley regional groundwater flow system (DVRFS) to support a regional, three-dimensional, transient groundwater flow model (Belcher and others, 2017; Halford and Jackson, 2020). The database provides information for each withdrawal point including estimated location and completion interval (Moreo and others, 2003). Groundwater withdrawal estimates for each withdrawal point have been compiled by water use and year. Uncertainty was assigned to the annual withdrawal values based on the use and method of estimation (Moreo and others, 2003)....
These data were created as part of a hydrologic study to characterize groundwater budgets and water quality in the Diamond Valley Flow System (DVFS), central Nevada. This dataset represents evapotranspiration (ET) units derived from the mean Enhanced Vegetation Index (EVI) calculated from two Landsat 5 Thematic Mapper scenes from the summer of 2010. ET units were defined within the DVFS groundwater discharge area (GDA) to group areas characterized by similar phreatophytic vegetation type and cover and to extrapolate site-scale groundwater ET estimates across the study area. This dataset represents three ET units: shrubland, grassland, and playa. The shrubland unit is composed of low to high density phreatophytic...
These data were created as part of a hydrologic study to characterize groundwater budgets and water quality in the Diamond Valley Flow System (DVFS), central Nevada. This dataset represents the groundwater discharge area (GDA) in the DVFS. Vegetated areas within the GDA are composed of phreatophytic shrubs with smaller areas of grassland, marshland, xeric vegetation, bare soil, and agricultural lands where phreatophytic shrubs historically were present. Vegetated areas outside the GDA are primarily composed of xeric vegetation and bare soil although very sparse phreatophytic shrubs may be present on the outer margins of the boundary. The GDA was mapped in the summer of 2011 using field reconnaissance and supporting...
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