Mirex and the Circulation of Lake Ontario

R. L. Pickett Great Lakes Environmental Research Laboratory, NOAA, Ann Arbor, MI 48104

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D. A. Dossett Great Lakes Environmental Research Laboratory, NOAA, Ann Arbor, MI 48104

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Abstract

The observed pattern of mirex in Lake Ontario's sediments is consistent with what is known about the Lake's long-term circulation. A reasonable simulation of the mirex pattern was obtained using a steady-state circulation model coupled to a simple water quality model. The equivalent 10-year mirex accumulation on the lake bottom from these numerical models is similar to the observed mirex pattern.

Abstract

The observed pattern of mirex in Lake Ontario's sediments is consistent with what is known about the Lake's long-term circulation. A reasonable simulation of the mirex pattern was obtained using a steady-state circulation model coupled to a simple water quality model. The equivalent 10-year mirex accumulation on the lake bottom from these numerical models is similar to the observed mirex pattern.

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