1887

Abstract

Electrical resistivity depth soundings were obtained at 15<br>meter intervals along the entire Lake Michigan and Green Bay<br>shorelines of Wisconsin using a towed resistivity system<br>developed for this purpose. The electrical longitudinal<br>conductance for the bottom sediments, derived from the sounding<br>data, was empirically related to hydraulic leakance. The<br>hydraulic leakance was obtained from the direct measurement at<br>selected locations of bottom sediment seepage. The empirically<br>derived relationship was combined with ground water flow models<br>to estimate ground water flux on a nearly continuous basis along<br>the shorelines. The resulting flux estimates spatially vary from<br>-15 cubic meters per day per kilometer to 560 cubic meters per<br>day per kilometer of shoreline. The average input to Lake<br>Michigan was estimated to be 480 cubic meters per day per<br>kilometer of shoreline and this estimate is within the range<br>exhibited by previous estimates.

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/content/papers/10.3997/2214-4609-pdb.210.1992_008
1992-04-26
2022-01-20
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.210.1992_008
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