Using Environmental Tracers to Estimate Recharge Through an Arid Basin

by Stephen H. Conrad, Sandia Natl Lab, Albuquerque, United States,

Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1993


Multiple tracer techniques were used to estimate recharge rates through unsaturated alluvium beneath the Greater Confinement Disposal site, a waste disposal site located in Frenchman Flat, on the Nevada Test Site. Three tracers of soil water movement - meteoric chloride, stable isotopes of water, and cosmogenic chlorine-36 - yielded consistent results indicating that recharge rates were negligible for the purpose of performance assessment at the site.

Subject Headings: Waste sites | Environmental issues | Probe instruments | Arid lands | Recharge basins | Site investigation | Groundwater flow | Alluvium | Nevada | United States

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