Rainless periods in Belarus under the conditions of modern climate change
Abstract
The goal of this study was to investigate the duration of rainless periods and the number of their occurrences for the period of 1955–2023, as well as changes in these characteristics during the period of modern warming (since 1989). A rainless period was defined as a period of minimum duration of 10 days, during which no precipitation was observed or its amount was insufficient for plant growth and development. It was found that the average duration of rainless periods and the number of their occurrences during the warm period of the year (April–October) remained at the same level: 3–4 periods per year were observed on average, and their average duration was 16–17 days. The most significant changes for the period of modern warming were observed for the average of the maximum durations of rainless periods: its values predominantly increased by 2–3 days (at some stations – up to 5 days). It should be also noted that at 48 % of the stations under consideration new records of the number of rainless periods for the warm period of the year (up to 9 cases) were established. The absolute maximum of the duration of the dry period (83 days) was recorded in Brahin in 1974, and only at 28 % of the stations under consideration, the records of duration were established after 1989. The period of modern warming was also characterised by trends for the increase in the number of rainless periods during the warm period of the year and their maximum duration over most of the territory of Belarus.
Supporting agencies: The research was financially supported by the Belarusian Republic Fund for Fundamental Research.
About the Authors
M. A. Khitrykau
Institute of Nature Management of the National Academy of Sciences of Belarus
Belarus
Belarus
Maksim A. Khitrykau – Ph. D. (Geography), Senior Researcher
10, F. Skoriny Str., 220076, Minsk
V. I. Melnik
Institute of Nature Management of the National Academy of Sciences of Belarus
Belarus
Belarus
Victar I. Melnik – Ph. D. (Geography), Leading Researcher
10, F. Skoriny Str., 220076, Minsk
I. V. Buyakov
Institute of Nature Management of the National Academy of Sciences of Belarus
Belarus
Belarus
Ivan V. Buyakov – Junior Researcher
10, F. Skoriny Str., 220076, Minsk
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Review
For citations:
Khitrykau M.A., Melnik V.I., Buyakov I.V. Rainless periods in Belarus under the conditions of modern climate change. Nature Management. 2024;(2):14-21. (In Russ.)
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