Decision Support System Based on Queuing Theory to Optimize Canal Management

Gaiqiang Yang (), Mo Li () and Lijuan Huo ()
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Gaiqiang Yang: Taiyuan University of Science and Technology
Mo Li: Northeast Agricultural University
Lijuan Huo: Taiyuan University of Science and Technology

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2019, vol. 33, issue 12, No 20, 4367-4384

Abstract: Abstract Uncertainties of groundwater utilization are usually neglected in decision support systems for irrigation system management. In this study, an irrigation water allocation model based on queuing theory was developed and an IOMSD (Irrigation Optimization Management for Shijin irrigation district Decision Support System) was designed. As the core of the system, the model adopts minimum water transportation time as the primary goal, and minimum loss of irrigation as the secondary goal. The developed IOMSD includes four layers: interaction, database, program, and model. Decision makers can obtain a detailed water allocation scheme by operating the IOMSD. To illustrate its application, the Shijin irrigation district was used. An optimal scheme was obtained using the IOMSD, which showed that the system utilization rate was particularly low between day 37 and day 54, and only trunk canal b5 was irrigated independently. To simplify the operation of trunk canals and decrease the whole irrigation period, a hierarchical cluster analysis was adopted. The improved optimal schemes were more concise, and the utilization rates of trunk canals were higher. The asymmetrical coefficient of the main channel decreased to 1.375, and the irrigation system was more stable and more efficient.

Keywords: Decision support system; Agricultural irrigation; Optimal allocation; Irrigation management (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s11269-019-02372-y

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