Using Multiple Water Quality Models for Determining Variable Emission Levels for Wasteload Allocationby Hal Cardwell, Johns Hopkins Univ, Baltimore, United States,
Hugh Ellis, Johns Hopkins Univ, Baltimore, United States,
Abstract: We present a methodology for determining the least-cost wasteload allocations from multiple point sources discharging into a single water body. The system of point sources is modeled as a dynamic programming problem; the instream water quality dynamics are addressed using three different water quality models: WASP4, QUAL2E, and our implementation of the Streeter-Phelps equations. A case study of the Schuylkill River with five point sources over six reaches illustrates the technique.
Subject Headings: Water quality | Hydrologic models | Water pollution | Water resources | Water supply | Dynamic models | Waste management | Water discharge
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