Vol. 26, issue 12, article # 9

Zuev V. V., Zueva N. E., Saveljeva E. S. Volcanogenic intensification factor of the stratosphere–troposphere exchange. // Optika Atmosfery i Okeana. 2013. V. 26. No. 12. P. 1068–1072 [in Russian].
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The mechanism of the volcanic aerosol transport to the stratosphere after Plinian eruptions, when the maximum height of the emission does not exceed the height of the tropopause, is proposed in the paper. NOAA HYSPLIT trajectory model and open global temperature data were applied to show the role of the volcanic ash and gas clouds in the temperature change of the upper troposphere and lower stratosphere, as well as in the tropopause destruction, and therefore, in the intensification of the stratosphere–troposphere exchange. It is found out that the abnormal increase in ground-level ozone concentrations is recorded with the passage of volcanic clouds.


volcanic eruptions, ash and gas clouds, black carbon, the tropopause destruction, stratosphere–troposphere exchange, ground-level ozone


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