Climate aridization within Chelyabinsk Region in the mid-20th and early 21th Centuries

Abstract

The features of spatial distribution of heat and water availability on the territory of the Chelyabinsk Region for the period of the mid-20th century and the beginning of the 21st century have been studied. The boundaries of changes in temperature zones for the indicated periods are shown, as well as changes in the boundaries of moisture in the territory and its displacement. The indices of the hydrothermal coefficients for the study area are calculated, the leading factors determining the hydrothermal coefficient for the period of active vegetation, as well as the dynamics directions are indicated. It has been established that the distribution of temperatures and precipitation in the territory of the Chelyabinsk Region is subject to seasonal fluctuations. At the same time, thermal conditions indicate tendencies for an increase in aridization of the southern territories, while humidification conditions, on the contrary, are dispersed in nature and are determined by both active atmospheric circulation and regional reasons.