A COMPLEX ADAPTIVE SYSTEMS ANALYSIS TO EXPLORE OPTIMAL SUPPLY-SIDE AND DEMAND-SIDE MANAGEMENT STRATEGIES FOR URBAN WATER RESOURCES
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Urban water management specifies both supply-side and demand-side strategies to balance water supply and demands for social and environmental systems. As the sustainability of water resources depends on the dynamic interactions among the consumers and the policy makers of the water system, an optimal adaptive water management approach can be used to update utility decisions based on the feedback among these systems and may enable a more efficient use of resources. Adaptive demand-side management strategies, such as regulating water for outdoor use, can be designed with increasing restrictions corresponding to the depletion of reservoirs. Similarly, adaptive supply-side strategies can be designed to supplement supply by increasing the volume of water that is transferred among basins when reservoirs levels drop. In this study, a Complex adaptive system (CAS) framework is used to simulate the adaptive behaviors of consumers, the adaptive decisions of the water utility, and an engineering model of the water supply infrastructure. The CAS framework is coupled with an optimization methodology to evaluate a combination of supply-side and demand-side adaptive water management strategies in achieving the utilities goal of minimizing management costs. The methodology is applied to an illustrative case study of an urban water supply system to explore optimal adaptive water management strategies. The results indicate that while the management costs could be minimized through implementation of optimal supply-side and demand-side strategies, those strategies also resulted in reservoir depletion significantly below the conservation storage. Thus, a trade-off exists between the supply-side and the demand-side management of urban water resources.
Complex Adaptive Systems analysis
Urban water resources
Aljanabi, Hassan (2012). A COMPLEX ADAPTIVE SYSTEMS ANALYSIS TO EXPLORE OPTIMAL SUPPLY-SIDE AND DEMAND-SIDE MANAGEMENT STRATEGIES FOR URBAN WATER RESOURCES. Honors and Undergraduate Research. Available electronically from