Postaudit of optimal conjunctive use policies

By:  and 
Edited by: Loucks E


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A simulation-optimization model was developed for the optimal management of the city of Santa Barbara's water resources during a drought; however, this model addressed only groundwater flow and not the advective-dispersive, density-dependent transport of seawater. Zero-m freshwater head constraints at the coastal boundary were used as surrogates for the control of seawater intrusion. In this study, the strategies derived from the simulation-optimization model using two surface water supply scenarios are evaluated using a two-dimensional, density-dependent groundwater flow and transport model. Comparisons of simulated chloride mass fractions are made between maintaining the actual pumping policies of the 1987-91 drought and implementing the optimal pumping strategies for each scenario. The results indicate that using 0-m freshwater head constraints allowed no more seawater intrusion than under actual 1987-91 drought conditions and that the simulation-optimization model yields least-cost strategies that deliver more water than under actual drought conditions while controlling seawater intrusion.
Publication type Conference Paper
Publication Subtype Conference Paper
Title Postaudit of optimal conjunctive use policies
Year Published 1998
Language English
Publisher ASCE
Publisher location Reston, VA, United States
Larger Work Title Proceedings of the Annual Water Resources Planning and Management Conference
First page 591
Last page 596
Conference Title Proceedings of the 1998 25th Annual Conference on Water Resources Planning and Management
Conference Location Chicago, IL, USA
Conference Date 7 June 1998 through 10 June 1998
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