Abstract
Results of the analysis of wildfires in Russian regions using satellite data for 2000-2021 are presented. The results indicate a predominant increase in the number of intense fires in Russia, which has been especially noticeable in recent years. Using reanalysis data, a significant correlation between wildfires in Russia and atmospheric blocking has been revealed. An integral blockings index, whose value can reach and exceed 10% for fire seasons in Russian regions from April to October, was used to characterize atmospheric blocking. It has been found that an increase in the integral blockings index by 1% corresponds to an increase in the number of forest fires in Russia by 14%. According to the estimates, the contribution to the variance of interannual change in the number of wildfires associated with atmospheric blockings reaches ~40%.
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