SIMULATION AND OPTIMIZATION MODELING OF WATER USE MANAGEMENT IN IRRIGATION SYSTEMS
Li M.A. Ibrayev T.T. Balgabayev N.N. Kali B.S. Toleubek D.A.
2023National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2023#3Issue 459119 - 129 pp.
In Kazakhstan, agricultural water consumption accounts for more than 65 % of all water consumption in the country. Irrigation of agricultural crops requires 15–16 km3 of water annually. According to the hydrogeological information of the Committee of Geology of the Ministry of Industry and Infrastructure Development of the Republic of Kazakhstan, there is a proven reserve of groundwater balance equal to 15.83 km3/year, of which 8.73 km3/year is renewable and can be used for irrigation. Sustainable development of the regions is possible on the basis of modern water resources management technologies, which will ensure the optimal use of water resources, high quality of water distribution and efficiency of decisions. The complex functional structure of water use process management in irrigation systems is a practical implementation of the processes and functions of water distribution management. A simulation-optimization model for planning and operational management of water use in irrigation systems is a logical and mathematical description of an object that can be used for experimenting on a computer in order to design, analyze and evaluate the functioning of a water body. The simulation ― optimization model has been developed for water use management at the pilot site of the irrigation system ― the Tasotkel main canal. The pilot site is located in the basin of the River Shu. Geological structure is made up of rocks of different ages-from Precambrian to Quaternary deposits. Upper Quaternary deposits in the Shu River valley, as well as in the western part of the Betpak-Dala plateau, are represented by very characteristic yellowish-brown sandy loams and loess-like loams, locally enriched in sandy and pebbly material. An accumulative type of relief is distinguished, characterized by slight surface slopes and the presence of several river terraces, which is associated with the manifestation of various erosion-accumulation formation cycles. The methodology for planning and operational management of water use in irrigation systems, developed on the basis of a simulation-optimization model, is designed to improve the efficiency of managerial decision-making.
Agricultural water consumption , geological structure , hydrogeological information , management technology , simulation-optimization model
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Kazakh Scientific Research Institute of Water Economy, Taraz, Kazakhstan
Kazakh Scientific Research Institute of Water Economy
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