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Groundwater ''fast paths'' in the Snake River plain aquifer [electronic resource] : Radiogenic isotope ratios as natural groundwater tracers

Published
Washington, D.C. : United States. Dept. of Energy, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
page(s) 871-874 : digital, PDF file
Additional Creators
Lawrence Berkeley National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Preferential flow paths are expected in many groundwater systems and must be located because they can greatly affect contaminant transport. The fundamental characteristics of radiogenic isotope ratios in chemically evolving waters make them highly effective as preferential flow path indicators. These ratios tend to be more easily interpreted than solute-concentration data because their response to water-rock interaction is less complex. We demonstrate this approach with groundwater ⁸⁷Sr/⁸⁶Sr ratios in the Snake River Plain aquifer within and near the Idaho National Engineering and Environmental Laboratory. These data reveal slow-flow zones as lower ⁸⁷Sr/⁸⁶Sr areas created by prolonged interaction with the host basalts and a relatively fast flowing zone as a high ⁸⁷Sr/⁸⁶Sr area.
Report Numbers
E 1.99:lbnl--51632
lbnl--51632
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Note
Published through SciTech Connect.
09/01/2000.
"lbnl--51632"
Geology 28 10 ISSN 0091-7613; GLGYBA FT
Doughty, Christine; Smith, Robert W.; Roback, Robert C.; Cecil, L. DeWayne; Johnson, Thomas M.; Bullen, Thomas D.; Murrell, Michael T.; DePaolo, Donald J.; McLing, Travis L.; Hunt, Randall J.
Funding Information
AC03-76SF00098
468101
View MARC record | catkey: 14134564