Analysis of impact of aral sea catastrophe on anomaly climate variables and hydrological processes

Berdimbetov T. Ma Z. Nietullaeva S. Yegizbayeva A.
2021 Association for Geoinformation Technology

International Journal of Geoinformatics
2021 #17 Issue 1 65 - 74 pp.

Since 1960, water level began to decline considerably due to anthropogenic impact of the Aral Sea (AS), and it is continued to this day, which has led to dramatic changes in the climate around the AS, including ambient temperatures and sharp increases in evapotranspiration. Although, it isnt possible to see normal trend in this precipitation. Time series analysis of the FTI (First Time Interval 1901-1960) and STI (Second Time Interval, 1960-2015), highlighting climate change around the AS, based on Global Climate Data, suggests that there is a significant negative difference between precipitation and evapotranspiration during the drying of the AS. It is possible to see the logical compatibility of the air temperature and difference between precipitation and evapotranspiration observed around the AS, i.e. the temperature fluctuation trend is positive and contrary to the difference between precipitation and evapotranspiration negative trend, which means that the annual hydrological budget was reduced according to the time scale. In this article, determining the AS as the central point, we analyze the changes in the thermal and hydrological processes observed on the AS, as well as the impact to the environment of anomalous climate change observed on and around the sea like the drying out of the AS.

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CAS Key Laboratory of Regional Climate-Environment for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China
Nukus branch of Tashkent University of Information Technologies named after Muhammad Al-Khwarizmi, Nukus, 230100, Uzbekistan
National Center of Space Researches and Technologies, Almaty, 050010, Kazakhstan

CAS Key Laboratory of Regional Climate-Environment for Temperate East Asia
Nukus branch of Tashkent University of Information Technologies named after Muhammad Al-Khwarizmi
National Center of Space Researches and Technologies

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