The main trends of long-term changes in the annual flow of rivers in the Republic of Bashkortostan

Doklady Bashkirskogo Universiteta. 2021. Volume 6. No. 3. pp. 158-167.

DOI: https://doi.org/10.33184/dokbsu-2021.3.3

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The article examines the dynamics of changes in the values of the annual river flow within the Republic of Bashkortostan. For this, the graphs of cyclical fluctuations of the annual river runoff in the long-term section have been analyzed. The trend of changes in the values of the indicator under consideration is noted. It is indicated that according to the results of the analysis of the general population of data for the period 1950-2018 there is a positive direction of the trend line. It was revealed that for the territory under consideration, this tendency is predominant. The time phases of high-water and low-water periods on the rivers of the republic are highlighted. It was noted that the overwhelming majority of hydrological stations are characterized by a low-water phase.