REGULARITIES OF VARIABILITY IN AVERAGE MONTHLY FLOW RATES DURING THE LOW-WATER PERIOD IN THE RIVERS OF BELARUS

Authors

DOI:

https://doi.org/10.36773/1818-1112-2023-132-3-78-82

Keywords:

flow rates, average monthly runoff, summer-autumn low water, winter low water, frequency of hydrological phenomena, modular coefficient

Abstract

The research is devoted to the study of long-term dynamics of fluctuations in average monthly flow rates during the summer-autumn and winter low-water periods in the rivers of Belarus. The assessment of extreme water flows of rare frequency in the summer-autumn period for the two time intervals (1961‒1990, 1991‒2020) demonstrates an increase in their frequency at most gauging stations over the last 30-year period. The minimum average monthly flow rates in the summer-autumn period are most often observed in August or September. The research shows that all months covering the winter low-water period are characterized by a tendency to increase runoff, more pronounced after 1988.

Author Biographies

Svetlana Vasilievna Sidak, Brest State Technical University

Senior Lecturer of the Department of Mathematics and Informatics, Brest State Technical University, Brest, Belarus.

Aliaksandr Aliaksandrovich Volchak, Brest State Technical University

Doctor of Geographical Sciences, Professor, Professor of the Department of Environmental Management, Brest State Technical University, Brest, Belarus.

Sergei Ivanovich Parfomuk, Brest State Technical University

Ph.D in Engineering, Associate Professor, Head of the Department of Mathematics and Informatics, Brest State Technical University, Brest, Belarus.

Valery Anatolyevich Kofanov, Brest State Technical University

Ph.D in Engineering, Associate Professor, Associate Professor of the Department of Mathematics and Informatics, Brest State Technical University, Brest, Belarus.

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Published

2023-12-28

How to Cite

(1)
Sidak, S. V.; Volchak, A. A.; Parfomuk, S. I.; Kofanov, V. A. REGULARITIES OF VARIABILITY IN AVERAGE MONTHLY FLOW RATES DURING THE LOW-WATER PERIOD IN THE RIVERS OF BELARUS. Вестник БрГТУ 2023, 78-82.

Issue

No. 3(132) (2023): Vestnik of Brest State Technical University

Section

Geoecology

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Copyright (c) 2023 Vestnik of Brest State Technical University

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