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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/32236

Title: Optimal Pumping Strategy with Conjunctive Operation Rule for the Water Supply System
Authors: Chung-Che Tan;Yung-Chia Chiu;Yi-Ju Chen;Chin-Pin Tung
Contributors: NTOU:Institute of Applied Geosciences
國立臺灣海洋大學:應用地球科學研究所
Date: 2011-12
Issue Date: 2012-06-15T07:43:35Z
Publisher: 2011 American Geophysical Union, Fall Meeting
Abstract: abstract:The traditional conjunctive use of surface water and groundwater is that the water demand is first satisfied with the reservoirs operated based on the rule curves, and the groundwater resource constrained by its safety yield is used to provide the deficit between demand and supply, if exists. However, this operation strategy may cause the problem of that the pumped groundwater is excessively centralized during the drought periods and results in serious damage to the aquifers. Hence, in this study we propose an alternative strategy, named conjunctive operation rule, which extends the concept of reservoir operation rule curves to the groundwater resources and allows pumping groundwater during the non-drought periods. The conjunctive operation rule curves, which include two kinds of operation rule curves, one used by reservoir and the other used by groundwater, are defined. The objective function to be minimized was the total water deficit and the operation rule curves were assumed regular distribution and stationary. By considering the damage to the aquifers resulted from the large pumping centralized in a short period, the safety yield and the recovery rates of groundwater levels are included in the constraint set. The global-local optimization scheme is used to simultaneously optimize the spatial and temporal distributions of pumpage with the associated reservoirs operation rules as well. Hence, the optimized pumping distribution could not only effectively reduce the risk of the severe water shortage but minimize the damage to the aquifers due to the excessively centralized pumpage. The developed conjunctive-use model can also provide managers with a tool for decision-making with regard to conjunctive use of surface water and groundwater and achieve the goal of sustainable use of water resources.
URI: http://ntour.ntou.edu.tw/handle/987654321/32236
Appears in Collections:[應用地球科學研究所] 演講及研討會

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