Optimization of Irrigation Programming for Different Water Allocation Strategies at Network Level: Method and Application

Murat Kilic () and Emrah Özçakal
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Murat Kilic: Ege University Faculty of Agriculture
Emrah Özçakal: Ege University Faculty of Agriculture

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2024, vol. 38, issue 15, No 8, 6005 pages

Abstract: Abstract Optimum irrigation programming at network level is important not only for maximum yield and benefit from the system but also for sustainable use of constrained resources. The subject of this investigation is to devise a method which enables optimum water allocation in irrigation networks, to apply it to a real system, and to analyze the results. In the first step, the irrigation district was divided into the most suitable water allocation zones considering the hydraulic properties of the canals. Next, alternative system rotation periods were defined in accordance with the properties of the research area, the hydraulic infrastructure of the irrigation network and the crop pattern. In this process, the model was run for five different water allocation strategies. The model was applied to the command area of Sarıkız Irrigation Association in the Ahmetli Regulator Right Bank Irrigation System in the Gediz Basin. Therefore, irrigation programs were prepared for the crop pattern, which receives water from 45 tertiary canals of the Y9 secondary. The irrigation time allocated to each tertiary canal and the amount of irrigation water were evaluated, together with the water shortage levels which occurred in these tertiary canals. The results indicated that the model defined the optimum system rotation period, the borders and the sizes of the most suitable water allocation zones, and the most suitable irrigation programs under the prevailing conditions. The proposed model can provide an insight for decision makers as a decision support tool.

Keywords: Irrigation programming at network level; Water allocation zones in a rotation system; Decision support system; Water allocation model; System rotation period; Optimum irrigation time (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11269-024-03938-1

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