Conjunctive Use/Sustained Groundwater Yield Design

by Richard C. Peralta, Univ of Arkansas, Agricultural, Engineering Dep, Fayetteville, AR, USA,

Document Type: Proceeding Paper

Part of: Computer Applications in Water Resources

Abstract: Assuring the sustained availability of groundwater from all parts of an aquifer system is analagous to assuring that the potentiometric surface does not change over the long term. Such a steady-state surface is maintained by a specific spatially distributed pattern of groundwater withdrawal. The finite difference form of the linearized Boussinesq equation for steady two-dimensional flow through porous media is used in models that design optimal regional potentiometric surfaces and the conjunctive water use/sustained yield strategies that maintain them. Presented objectives of such models include minimization of unmet water needs, minimization of the regional cost of attempting to satisfy water needs and bi-objective optimization.

Subject Headings: Hydrologic models | Groundwater | Two-dimensional models | Two-dimensional flow | Porous media flow | Terrain models | Mathematical models | Optimization models

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