Abstract
Reservoir/river systems analysis models are generally used in the formulation and evaluation of alternative plans for responding to water related problems and needs. One of the main problems is the water resources allocation and the cost associated with pumping, if needed. Taking the appropriate decision is considered as a techno-economic issue. The case study presented in this paper involves a complex system of three dams, two pumping stations and two diversion structures all serving an agricultural production unit. The objective of this research is to determine a suitable and feasible water allocation/pumping policy as a “trade-off” between minimizing the water deficiency and the cost of pumping. To achieve this objective, a water resources model was developed using HEC-5. A multi-criteria decision approach was implemented to determine the most appropriate water release policy and the capacity of the water diversion facilities. The parameters used were subject to a sensitivity analysis to assess their relative impact on the determined policy. The suggested release policy allows a reduction of half the total of the pumping costs with only 3% reduction in the water allocation reliability, as measured by the failure frequency of demand satisfaction and the average shortage index.
Highlights
Reservoir system management practices and associated modeling and analysis methods involve allocating sto-How to cite this paper: Awadallah, A.G. and Awadallah, N.A. (2014) An Integrated Water Resources and Economic Approach for Optimizing Water Allocation Policies
The maximum transfer capacity from Deurdeur Wadi is determined as 2 m3/s, assuring 40% of the irrigation demands of AU3 from the Deurdeur dam
Sub-alternatives B1-a and Case A are the best sub-alternatives from the standpoint of water demand satisfaction, as they ensure the best reliability for water allocation
Summary
Reservoir system management practices and associated modeling and analysis methods involve allocating sto-How to cite this paper: Awadallah, A.G. and Awadallah, N.A. (2014) An Integrated Water Resources and Economic Approach for Optimizing Water Allocation Policies. Awadallah rage capacity and streamflow among multiple uses and users It involves minimizing the risks and consequences of water shortages and flooding, optimizing the beneficial use of water, energy, and land resources, and managing environmental resources. An operation policy is a set of decision rules for determining the quantities of water to be stored and released or withdrawn from a reservoir or system of reservoirs under various operating conditions. It involves diverting water from a Wadi to a pressurized irrigation system through a gravity pipe, allowing a decrease in the pumping costs with no substantial impact on water availability.
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