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Exploring Some Big Questions in Poorly Mixed Hydrologic Systems with Electrical Geophysics

Kamini Singha


“Non-local” mathematics - which describe longer-range dependencies in time or space than classical, local mathematics - are important in a broad range of scientific disciplines. In hydrogeology, for example, one prediction challenge described by non-local mathematics is “anomalous” solute-transport behavior, defined by characteristics such as concentration rebound, solute retention, early solute breakthrough, and long breakthrough tailing. These behaviors lead to consequences like poor 1) pump-and-treat efficiency, 2) descriptions of mixing or spreading, and 3) prediction of biogeochemical storage, release, and transformation processes. These phenomena have been observed in diverse geologic settings. Observational challenges and the complexity of subsurface systems lead to severe prediction challenges with standard measurement techniques. Here, I explore the role of electrical geophysics in determining parameters controlling anomalous solute transport behavior and its applications in a variety of hydrologic settings.

Speaker: Kamini Singha, Colorodo School of Mines & Stanford University

Attend in person or online (see weblink)

Room 350/372

Thursday, 04/04/24


Website: Click to Visit



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Mitchell Earth Sciences Building (04-560)

397 Panama Mall
Stanford University
Stanford, CA 94305