San Joaquin Valley Hydrologic-Economic Model

by Marangu Marete, California Dep of Water Resources, San Joaquin District, Fresno, CA, USA,

Document Type: Proceeding Paper

Part of: Economics and Groundwater


The rapid development of agriculture in the San Joaquin Valley has resulted in increased ground water pumpage. Increasing energy costs coupled with increasing pumping lifts have a major effect on the future agricultural economy of the Valley. To understand this effect, a hydrologic-economic model of the San Joaquin Valley was constructed. Mathematical programming was used to determine the demand for ground water in the Valley. A linear quadratic control model was used to determine the intertemporal effects and allocation of ground water. The preliminary results suggest that the existing water management is nearly optimal and there may be economic advantages to ground water transfer in the Valley.

Subject Headings: Economic factors | Hydrologic models | Water resources | Mathematics | Mathematical models | Groundwater supply | Groundwater management | Irrigation water | California | United States

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