Research on the joint adjustment model of regional water resource network based on the network flow theory

Zhou Ye, Lin Ding, Zhisong Liu, Fang Chen
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Abstract

This study uses the network flow theory to optimize regional water resource allocation. In order to solve the problem of inefficient utilization of water resources with decentralized decision-making by different administrative units, a regional water resource networking and joint dispatching model with multi-objective nonlinear characteristics based on the network flow theory (hereinafter referred to as the network flow model) is constructed in the study. The network flow model was simulated and applied in the Xin-Sheng area of the Cao'e River, a tributary of the Qiantang River, and the results of the study showed that the network flow model scheduling increased significantly in fficiency compared with the current conventional scheduling, with an increase of 35.24 and 9.91% in the water resource utilization rate in the two typical years of 2019 and 2022, respectively, and showed that 2022, which has less rainfall, has a better effect than 2019. The study concludes that the network flow model can effectively improve the efficiency of water resource utilization, solve the problem of water resource imbalance between cities in the region, and play a positive role in the construction of the national water network.
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基于网络流理论的区域水资源网络联合调整模型研究
本研究利用网络流理论优化区域水资源配置。为解决不同行政单元分散决策下水资源利用效率低下的问题,本研究基于网络流理论构建了具有多目标非线性特征的区域水资源网络化联合调度模型(以下简称网络流模型)。将网络流模型模拟应用于钱塘江支流曹娥江新盛地区,研究结果表明,网络流模型调度与现行常规调度相比,效率显著提高,在2019年和2022年两个典型年份,水资源利用率分别提高了35.24%和9.91%,并显示降雨较少的2022年比2019年效果更好。研究认为,管网流量模型能有效提高水资源利用效率,解决区域内城市间水资源不平衡问题,对全国水网建设起到积极作用。
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