ASSESSMENT OF WATER SUPPLY IN THE ARAL-SYRDARYA BASIN BASED ON STATISTICAL ANALYSIS

Rational use of water resources becomes especially important under the conditions of the need for integrated management and regulation of river flow. Under these conditions, water management calculations are an important tool to ensure efficient and environmentally sound water allocation under limited resources. This article considers the issues of water resources assessment in the Aral-Syrdarya water basin within the territory of Kazakhstan under climate change. The analysis of the water balance for the periods 2010-2018 takes into account that the inflow part of the water balance of the Aral-Syrdarya river basin was 81690.69 million m3 and the outflow part was 82,446.35 million m3. According to the data, the water balance was drawn up and the analysis was made that the runoff decreased by 755.66 million m3, which naturally reflected in the lowering of the Aral Sea level.