RANKING THE TERRITORY OF THE ALMATY AGGLOMERATION ACCORDING TO THE DEGREE OF POLLUTION


Madibekov A.S. Ismukhanova L.T. Zhadi А.О. Mussakulkyzy A. Bolatov K.M.
2023National 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
2023#3Issue 459130 - 148 pp.

The article considers the assessment of the transfer of pollutants by the state of pollution of snow cover and soil to rank the study area by degree of pollution (2018–2020). The object of the study is one of the major megalopolises of the country ― the territory of Almaty agglomeration (AA) with a total area-939.5 thousand hectares. The area of the agglomeration includes 188 settlements of Almaty region, the center of which is the city of Almaty, includes parts of five administrative districts of Almaty region: Karasai, Talgar, Ili, Enbekshikazakh and Zhambyl, as well as cities of Kaskelen, Kapshagai, Talgar and Yesik. Assessment of the degree of pollution of the territory of the Almaty agglomeration is calculated one of the characteristics of soil and snow cover (SC) pollution, which are the total pollution index (Zc), which is determined by the degree of accumulation of the pollutant compared to the background point. Analysis of pollution of the AA area according to the values of metal concentration ratios for 2018–2020 showed that the largest contribution is copper, zinc and lead in the soil, while for SC mainly cobalt, nickel, copper and lead, which were also several times higher than the limit standards. Cartographic ranking of the territory of the AA showed that relatively high total pollution levels of SC were observed in 2020 in the areas that were most exposed to pollution from sources such as CHPP-2, power plants, household stoves, coal-fired and motor vehicles. According to the total values of soil pollution AA territory is characterized by a high level of pollution, and the territory of Almaty, according to the existing gradation, refers to a very high level of pollution in all the years studied.

agglomeration , pollutants , ranking , snow cover , soil , toxicology

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JSC «Institute of geography and water security», Almaty, Kazakhstan
Kazakh National Agrarian Science University, Almaty, Kazakhstan

JSC «Institute of geography and water security»
Kazakh National Agrarian Science University

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