Coupled Simulation-Optimization Approach to Wellhead Protection Area Delineation to Minimize Contamination of Public Ground-Water Supplies

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by John M. Shafer, Univ of South Carolina, Columbia, United States,
Mark D. Varljen, Univ of South Carolina, Columbia, United States,

Document Type: Proceeding Paper

Part of: Water Management in the '90s: A Time for Innovation

Abstract: A loosely coupled simulation-optimization procedure is used to determine the steady-state pumping rates for individuals wells in a multiple well municipal wellfield that result in the least total number of potential contaminant sources in the specified time period capture zones of the wells. A conjugate direction search algorithm is employed to solve the formulated unconstrained, nonlinear optimization problem using a penalty function approach to force the total wellfield pumping rate to meet the wellfield demand.

Subject Headings: Hydrologic models | Water quality | Water resources | Coupling | Pumps | Wells (water) | Water supply | Steady states |

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