Hydrogeologic Controls on the Movement of Ground Water at the Nevada Test Site, Nye County, Nevada PDF Download
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Author:
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Category : Groundwater
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages :
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Author:
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ISBN:
Category :
Languages : en
Pages : 128
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Book Description
The underground testing of nuclear devices has generated substantial volumes of radioactive and other chemical contaminants below ground at the Nevada Test Site (NTS). Many of the more radioactive contaminants are highly toxic and are known to persist in the environment for thousands of years. In response to concerns about potential health hazards, the US Department of Energy, under its Environmental Restoration Program, has made NTS the subject of a long-term investigation. Efforts will assess whether byproducts of underground testing pose a potential hazard to the health and safety of the public and, if necessary, will evaluate and implement steps to remediate any of the identified dangers. Ground-water flow is the primary mechanism by which contaminants can be transported significant distances away from the initial point of injection. Flow paths between contaminant sources and potential receptors are separated by remote areas that span tens of miles. The diversity and structural complexity of the rocks along these flow paths complicates the hydrology of the region. Although the hydrology has been studied in some detail, much still remains uncertain about flow rates and directions through the fractured-rock aquifers that transmit water great distances across this arid region. Unique to the hydrology of NTS are the effects of underground testing, which severely alter local rock characteristics and affect hydrologic conditions throughout the region. This report summarizes what is known and inferred about ground-water flow throughout the NTS region. The report identifies and updates what is known about some of the major controls on ground-water flow, highlights some of the uncertainties in the current understanding, and prioritizes some of the technical needs as related to the Environmental Restoration Program. 113 refs.
Author: Richard K. Blankennagel
Publisher:
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Category : Geology
Languages : en
Pages : 46
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Additional title page description: Description of hydraulic testing in deep drill holes and of ground-water characteristics in the Pahute Mesa area.
Author:
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ISBN:
Category : Groundwater
Languages : en
Pages : 34
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Author: William Thordarson
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 48
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Author: William Thordarson
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 52
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Author: Richard H. French
Publisher:
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Category : Hydrology
Languages : en
Pages : 92
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Author:
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Category : Hydrology
Languages : en
Pages : 128
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Author:
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Category : Electronic government information
Languages : en
Pages : 80
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Author: Hugh A. Hurlow
Publisher: Utah Geological Survey
ISBN: 155791902X
Category : Science
Languages : en
Pages : 304
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Book Description
This report (269 pages, 4 plates) presents hydrogeologic, groundwater-monitoring, and hydrochemical studies by the Utah Geological Survey (UGS) in Snake Valley, Tule Valley, and Fish Springs Flat in Millard and Juab Counties, west-central Utah. Data From the newly established UGS groundwater-monitoring network establish current baseline conditions, and will help quantify the effects of future variations in climate and groundwater pumping. New hydrochemical data show that groundwater quality is generally good, major-solute chemistry varies systematically from recharge to discharge areas, and suggest that most groundwater was recharged over one thousand years ago, implying low recharge rates and/or long or slow flow paths. Two aquifer tests yield estimates of transmissivity and storativity for the carbonate-rock and basin-fill aquifers. Variations in the potentiometric surface, hydrogeology, and hydrochemistry are consistent with the hypothesis of regional groundwater flow from Snake Valley northeast to Tule Valley and Fish Springs. Collectively, our work delineates groundwater levels, flow, and chemistry in Snake Valley and adjacent basins to a much greater degree than previously possible, and emphasizes the sensitivity of the groundwater system to possible increases in groundwater pumping.
