Annotation

Purpose: field survey of channels (water supply network) and hydraulic structures of the Chernozemelskaya watering and irrigation system within the Yashkul district Republic of Kalmykia.

Materials and methods. The studies were carried out according to generally accepted regulatory documents and methods for conducting surveys and assessing the technical condition of reclamation facilities. 

Results. The Chernozemelskaya watering and irrigation system is of great importance for the eastern regions of Kalmykia (Iki-Burulsky, Chernozemelsky, Yashkulsky, etc.), within which the main part of agricultural farms is concentrated, including the ones on reproduction of the fodder supply for livestock farming. The purpose of the system is also to supply water to human settlements. In order to assess the current operating conditions of the Chernozemelskaya watering and irrigation system, to determine the causes of water resource shortages and the low efficiency of the system, the surveys of sections of the water supply network were carried out within the Yashkul district of the Republic of Kalmykia. 

Conclusions. The most problematic areas of the irrigation network located on the Yashkul, Gashun channels and the US-4 channel of the Chernozemelskaya watering and irrigation system have been identified. The current technical condition of the sections of the above-mentioned objects does not allow them to be operated in the design mode. Based on the actual state of the surveyed channels of the Chernozemelskaya watering and irrigation system, it is necessary to clear their channels along their entire length to reduce hydraulic resistance, as well as to restore the design profile of the Yashkul channel at the head section to eliminate water deficiency, ensure design capacity, and prevent water overflow through the dam edges and flooding the nearby territories and human settlements.

For quoting

Talalaeva V. F., Baev O. A. Results of the field surveys of the technical state of hydraulic structures of the Chernozemelskaya watering and irrigation system. Ways of Increasing the Efficiency of Irrigated Agriculture. 2024;93(2):1–15. (In Russ.).

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