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Groundwater velocities at the Nevada Test Site: {sup 14}Carbon-based estimates
Author(s) -
Jenny Chapman,
Ronald L. Hershey,
B.F. Lyles
Publication year - 1995
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/146738
Subject(s) - groundwater , groundwater flow , flow (mathematics) , hydrology (agriculture) , stable isotope ratio , geology , isotopes of carbon , environmental science , soil science , geotechnical engineering , aquifer , chemistry , environmental chemistry , mathematics , total organic carbon , geometry , physics , quantum mechanics
Chemical and isotopic data can be used to constrain and validate groundwater flow models. This study examines probable groundwater flowpaths at the Nevada Test Site (NTS) and estimates groundwater velocities for these flowpaths using water chemistry and carbon isotopes. These velocities are provided for comparison to velocities calculated by a numerical flow model developed by GeoTrans, Inc. Similar to numerical flow models, models of chemical and isotopic evolution are not unique; any number of combinations of reactions can simulate evolution from one water to another, but are no guarantee that the simulation is correct. Knowledge of the hydrology, mineralogy, and chemistry must be combined to produce feasible evolutionary paths

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