Modified QUAL2E Modeling of a Stream Acutely Impacted by Photosynthesis and Respiration

by Rex A. Tolman, Acres Int Corp, Amherst, United States,

Document Type: Proceeding Paper

Part of: Water Resources Planning and Management: Saving a Threatened Resource—In Search of Solutions


The QUAL2E model was modified to account for time variable headwater conditions and the photosynthesis and respiration of attached aquatic plants. With these modifications, a stream that is acutely impacted by either macrophytes or periphyton can be simulated. The modified model was used to evaluate the impact of the proposed reservoir and assess the potential of various mitigation measures.

Subject Headings: Hydro power | Hydrologic models | Power plants | Mathematics | Mathematical models | Simulation models | Water quality | Dissolved oxygen

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