Purpose: to develop indicators for assessing the water resource distribution efficiency of by reclamation systems.
Materials and methods: Initial data for calculating water distribution efficiency indicators were obtained on the basis of reporting materials that contain information on the actual implementation of water use plans.
Results. To assess the efficiency of water distribution, it is proposed to use indicators such as efficiency, coefficients of use and redistribution of water resources. The choice of these indicators is due to their ability to provide a comprehensive assessment of the efficiency of water resource distribution and to identify weaknesses and processes in the reclamation system. The study was carried out on three reclamation systems in Rostov region. The first system is located in the floodplain of the River Don. The main method of watering here is flooding the checks. The second system is located within the Lower Don Plain. It uses sprinkling. The third system is located between the rivers Sal and Manych. This system also uses sprinkling. The first two systems are used for irrigation, the third system serves both for irrigation and for transferring water to the neighboring area. According to the calculations performed, the coefficients of efficiency and use of water resources for the first system are 0.71 and 0.71, respectively, for the second – 0.70 and 0.44, and for the third – 0.87 and 0.73. Also for the third system, the coefficient of redistribution of water resources of 0.14 was calculated. In accordance with the results obtained, water resources are distributed most effectively on the third reclamation system, then on the first, the second system closes the ranking.
Conclusions. Obtaining a general assessment of the efficiency of water distribution in reclamation systems is not the final goal. Such an assessment makes it possible to substantiate forecasts for the development of reclamation systems and plan the necessary resources for this.
water resources, efficiency assessment, water distribution, reclamation system, efficiency indicators, development of reclamation systems
Breeva A. V., Kuzmichev A. A. Assessing water distribution efficiency in reclamation systems. Ways of Increasing the Efficiency of Irrigated Agriculture. 2024;93(2):106–115. (In Russ.).
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