Evaluating the impacts of hydropower intake operations on upstream aquatic habitat is important for the development of environmentally sustainable hydropower and flood protection. A computational fluid dynamics model was used to simulate the flow field in the forebay of a high dam, Mica Dam in British Columbia, Canada. The model use to evaluate the upstream hydraulics under various operational conditions and reservoir levels. This model, which was verified by a novel means of collected acoustic Doppler current profiler field measurements, highlights how appropriate intake selection may limit the volume of the forebay occupied by the entrainment risk zone. Additionally, a potential flow solution was applied to predict the velocity field induced by the intakes and the limitation of the potential flow solution was assessed.
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