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Use of an electromagnetic seepage meter to investigate temporal variability in lake seepage

January 1, 2004

A commercially available electromagnetic flowmeter is attached to a seepage cylinder to create an electromagnetic seepage meter (ESM) for automating measurement of fluxes across the sediment/water interface between ground water and surface water. The ESM is evaluated through its application at two lakes in New England, one where water seeps into the lake and one where water seeps out of the lake. The electromagnetic flowmeter replaces the seepage-meter bag and provides a continuous series of measurements from which temporal seepage processes can be investigated. It provides flow measurements over a range of three orders of magnitude, and contains no protruding components or moving parts. The ESM was used to evaluate duration of seepage disturbance following meter installation and indicated natural seepage rates resumed approximately one hour following meter insertion in a sandy lakebed. Lakebed seepage also varied considerably in response to lakebed disturbances, near-shore waves, and rain-falls, indicating hydrologic processes are occurring in shallow lakebed settings at time scales that have largely gone unobserved.

Citation Information

Publication Year 2004
Title Use of an electromagnetic seepage meter to investigate temporal variability in lake seepage
DOI 10.1111/j.1745-6584.2004.tb02451.x
Authors D. O. Rosenberry, R. H. Morin
Publication Type Article
Publication Subtype Journal Article
Series Title Ground Water
Index ID 70027799
Record Source USGS Publications Warehouse
USGS Organization Toxic Substances Hydrology Program

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