INCREASING WATER PRODUCTIVITY IN IRRIGATION WITH REGARD TO GEOLOGY AND HYDROGEOLOGICAL CONDITIONS
Kalybekova Y.M. Zauirbek A.K. Seitasanov I.S. Onglassyn U.Q.
2022National 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
2022#3Issue 453101 - 114 pp.
The article focuses on increasing irrigation water productivity in irrigated agriculture in complex ground-soil conditions of the area, where groundwater of low salinity is expedient to use for domestic and drinking water supply. The article includes study of potential capabilities to meet water demand of all water consumers in river basin in perennial section, as well as possibilities of irrigation water supply to suspended irrigated areas. Examined issues of dispatching management of water distribution systems in the reclamation channels using a systematic approach. Integrated automated control systems are actively developed implemented to manage water distribution in irrigation canals. The analysis also revealed сoncerns preservation of natural complexes, the main indicator of ecosystem stability, which means equilibrium between inflow and evaporation, favorable conditions of the delta, floodplain forests, sustainable water supply to economy and population. The involves analysis of water yield indicators, namely water consumption regimes of economic sectors, for irrigated agriculture as the main consumer in particular. Methodology for analysis of water resources use for irrigated agriculture is presented. Principles of water use efficiency under dry year conditions (Pw =90% occurrence) with regard for natural ecosystems complexes conservation and water losses from reservoirs are developed. First-priority measures on stimulation of water use efficiency increase, which consist of irrigation water payment tariffs and water use subsidies value (on example of Bartogai water reservoir influence zone on Shelek river), are proposed.
firm yield , geological conditions , ground-soil conditions , hydrogeological conditions , irrigation water productivity , stimulation
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Kazakh National Agrarian Research University, “Water Resources and Land Reclamation” department, Almaty, Kazakhstan
Kazakh National Agrarian Research University
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