Geochemical and Isotopic Evaluation of Groundwater Movement in Corrective Action Unit 97: Yucca Flat/Climax Mine, Nevada Test Site, Nevada, Rev. No.: 0

Farnham, Irene

doi:10.2172/877252

Cited by 2 publications

(1 citation statement)

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“…Modeling of limited geochemical and isotopic data collected from wells near the water table in the Yucca Flat basin suggests that groundwater in northern Yucca Flat originates from a mixture of recharge, flow from the north through the LCA, and groundwater leakage from alluvial or volcanic aquifers in Emigrant Valley (Farnham et al, 2006). Though flow rates could not be determined using these methods alone, this modeling suggests that some portion of groundwater originating in basins to the north is required to simulate the compositions of conservative tracers observed in northern Yucca Flat (i.e., at well UE-15d).…”

Section: )mentioning

confidence: 99%

Numerical Simulation of Inter-basin Groundwater Flow into Northern Yucca Flat, Nevada National Security Site, Using the Death Valley Regional Flow System Model

Karl¹,

Ye²

2012

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Models of groundwater flow for the Yucca Flat area of the Nevada National Security Site (NNSS) are under development by the U.S. Department of Energy (DOE) for corrective action investigations of the Yucca Flat-Climax Mine Corrective Action Unit (CAU). One important aspect of these models is the quantity of inter-basin groundwater flow from regional systems to the north. This component of flow, together with its uncertainty, must be properly accounted for in the CAU flow models to provide a defensible regional framework for calculations of radionuclide transport that will support determinations of the Yucca Flat-Climax Mine contaminant boundary. Because characterizing flow boundary conditions in northern Yucca Flat requires evaluation to a higher level of detail than the scale of the Yucca Flat-Climax Mine CAU model can efficiently provide, a study more focused on this aspect of the model was required.

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Section: )mentioning

confidence: 99%