The principal aim of tlus study was to gain· additional understanding of the physical
processes associated with the growth and decay of ice covers on mid-latitude temperate
lakes, including freeze-up and break-up. Snow and)ce covers on a lake are critical to lake
water quality during winter months. Improving the accuracy of model components
associated with the ice and snow cover on a lake benefits, for example, the water
temperature and dissolved oxygen modules of lake water quality models.
To develop a better understanding of the physical processes associated with ice formation and decay on a lake, a field study was considered most appropriate. Thls study focused on
phenomena wluch occur withln two meters of either side of a lake surface and have a
bearing on lake water quality.
US Environmental Protection Agency, Office of Research & Development and Mid-Continent-Ecology Division
Champlin, Jerry G.; Stefan, Heinz G..
Field Study of the Ice Cover of a Lake: Implications for Winter Water Quality Modeling.
St. Anthony Falls Laboratory.
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