Predicting Effects of Global Climate Change on Reservoir Water Quality and Fish Habitat

by Lisa H. Chang, Duke Univ Sch of Forestry, United States,
Steven F. Railsback, Duke Univ Sch of Forestry, United States,

Document Type: Proceeding Paper

Part of: Optimizing the Resources for Water Management


This paper demonstrates the use of general circulation models (GCMs) for assessing global climate change effects on reservoir water quality and illustrates that general conclusions about the effects of increased carbon dioxide (CO2) concentrations on water resources can be made by using GCMs. These conclusions are based on GCM predictions of the climatic effects of doubling CO2 concentrations. Inadequacies in using information from GCM output alone to simulate reservoir water quality effects of climate change are discussed. The investigation used Douglas Lake, a large multipurpose reservoir in eastern Tennessee, as an example.

Subject Headings: Water quality | Water circulation | Reservoirs | Aquatic habitats | Water resources | Climate change | Quality control | Fish and fishery management | Tennessee | United States

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