The mass-transfer and water-budget techniques of calibrating a reservoir for evaporation were evaluated through a study of Lake Michie, N.C. The techniques appear adequate for estimation of lake evaporation and net seepage in humid regions where lake storage is affected by streamflow and ground-water seepage, under conditions no more adverse than those affecting Lake Michie.
The analysis of 25 months of mass-transfer and water-budget data collected at Lake Michie indicates pronounced seasonal variation in both evaporation and seepage.
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USGS Numbered Series
Evaporation study in a humid region, Lake Michie, North Carolina