Modeling Ecological Impacts of Destratification

by S. Geoffrey Schladow, Univ of California, Davis, United States,
David P. Hamilton, Univ of California, Davis, United States,
Murray C. Burling, Univ of California, Davis, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: Artificial destratification has long been advocated as a means of improving water quality in lakes and reservoirs. The results have been varied with examples of both water quality improvement and deterioration reported in the literature. To better understand the physical processes that impact upon water quality and to improve the design of these systems, a bubble plume destratification sub-model has been included in a coupled hydrodynamic-ecological water quality model. The structure of the model is such that both the hydrodynamic processes and the ecological processes are treated on a process-by-process basis. The application of the model to predict changes in algal production following installation of a bubble plume destratification system is presented.

Subject Headings: Water quality | Hydrologic models | Mathematical models | Aquatic habitats | Plumes | Thermal analysis | Lakes

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