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A novel water distribution model considering the dynamic coupling of canals and gates

文献类型： 外文期刊

作者： Tian, Guilin 1 ; Lv, Mouchao 1 ; Wang, Ming 1 ; Qin, Jingtao 1 ; Wang, Yingying 1 ; Yu, Jiankui 1 ; Yang, Bo 1 ;

作者机构： 1.Chinese Acad Agr Sci CAAS, Inst Farmland Irrigat, Xinxiang 453002, Peoples R China

关键词： Irrigation scheduling; Canals-gates coupling; Canal water distribution model; Beetle swarm optimization algorithm; Theoretical flow rate

期刊名称：COMPUTERS AND ELECTRONICS IN AGRICULTURE （ 影响因子：8.9； 五年影响因子：9.3 ）

ISSN： 0168-1699

年卷期： 2025 年 236 卷

页码：

收录情况： SCI

摘要： Accurate and efficient canal water scheduling in irrigation districts is crucial for promoting agricultural watersaving policies, especially in the context of global climate instability. However, many studies neglected the role of gates in scheduling, and there were serious water distribution fairness problems in the actual irrigation district management of the farmland upstream and downstream. In this research, a novel method was proposed by integrating the traditional planning model (Dynamic Programming) with the canal water distribution framework. The former facilitated the effective coordination of gates and canals at multi-levels, while the latter addressed water requirements under various optimization objectives. A total of 32 scheduling schemes were obtained by applying the model to Dagong irrigation district, and the novel Beetle Swarm Optimization algorithm (BSO) and the mature Particle Swarm Optimization algorithm (PSO) were used to solve the problem, respectively. The new model also obtained the following results while solving the problems. (1) The main canal's Theoretical Flow Rate (TFR) is the critical factor influencing both the time efficiency and water utilization of the water distribution schemes. (2) A generalizable scheduling scheme is developed based on the observed flow and time distribution patterns in the main and sub-main canals, though its accuracy remains limited. (3) The comparison between the computational results of the BSO and PSO verifies the applicability of the former in this field. In conclusion, the model proposed enhances the efficiency and availability of the irrigation water delivery, applicable to other irrigation districts facing similar water allocation challenges.

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