Climatic and circulation factors of high natural fire intensity in Eastern Siberia and the Far East

Olga Yu. Antokhina; Elena V. Devyatova; Lyudmila V. Golubeva; Vitali N. Kurdyukov; Inna V. Latysheva; Vladimir I. Mordvinov

doi:10.1117/12.2538730

18 December 2019 Climatic and circulation factors of high natural fire intensity in Eastern Siberia and the Far East

Olga Yu. Antokhina, Elena V. Devyatova, Lyudmila V. Golubeva, Vitali N. Kurdyukov, Inna V. Latysheva, Vladimir I. Mordvinov

Author Affiliations +

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 112086O (2019) https://doi.org/10.1117/12.2538730
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

According to satellite monitoring data, the paper provides an analysis of the long-term dynamics of forest fires on the territory of five regions - the Irkutsk Region, the Republic of Buryatia, Transbaikalia, the Amur Region, and the Khabarovsk Territory. In the period 2004-2018, the changes in the area of forest fires (burned area) and the number of fires were. Climatic and circulation factors are considered as the causes of the forest fires. The key factors of high forest fire intensity are the processes of anticyclogenesis, which are developed with the strengthening of the meridional forms of atmospheric circulation in recent decades in Eastern Siberia. The high frequency of blocking anticyclones in the period May-June determines the long-term maintenance of the warm and dry air mass. In the long-term dynamics throughout the study area, there is an increase in temperature and a decrease in relative humidity.

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Olga Yu. Antokhina, Elena V. Devyatova, Lyudmila V. Golubeva, Vitali N. Kurdyukov, Inna V. Latysheva, and Vladimir I. Mordvinov "Climatic and circulation factors of high natural fire intensity in Eastern Siberia and the Far East", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 112086O (18 December 2019); https://doi.org/10.1117/12.2538730

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