Abstract

Cleanup of toxic residues within the Great Lakes basin requires the assessment of various cleanup options. An important tool for such evaluations is water quality modeling where impacts under hypothetical hydrodynamic conditions can be simulated. In assessing various options for a contaminated site in the St. Louis River estuary at the western end of Lake Superior, it was found that inclusion of the lake seiche is vital to accurate predictions of mass transport. Seiche amplitudes are analyzed and are used to develop simulated seiche activity relevant to simulating potential erosion and/or pollution transport under extreme conditions. Methods and results for calibration of the hydrodynamic/water quality model are also presented.

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