Surface Water Analysis for Ground Water Simulationby Terry L. Erlewine, (A.M.ASCE), State of California Dep of Water, Resources, Fresno, CA, USA,
Abstract: The California Department of Water Resources (DWR) has applied a hydrologic-economic modeling (HEM) system to the analysis of ground water use in the San Joaquin Valley. An important component of this modeling system is the surface water allocation model (SWAM) which estimates ground water pumpage and recharge in the Valley. The SWAM additionally provides a cataloging of surface flows in the Valley and estimates amounts of water use and supply. The SWAM has been used in conjunction with other models in the HEM to calibrate a ground water model and to project future ground water conditions in the Valley.
Subject Headings: Hydrologic models | Water resources | Surface water | Terrain models | Mathematical models | Groundwater recharge | System analysis
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