Vol. 31, issue 08, article # 10

Zuev V. V., Saveljeva E. S., Parezheva T. V. Study of the possible impact of the Calbuco volcano eruption on the abnormal destruction of stratospheric ozone over the Antarctic in spring 2015. // Optika Atmosfery i Okeana. 2018. V. 31. No. 08. P. 660–664. DOI: 10.15372/AOO20180810 [in Russian].
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One of the strongest stratospheric ozone depletion events over the Antarctic was observed in October–November 2015. The increase in the ozone hole was associated with the eruption of Calbuco volcano (Chile) in April 2015 with a maximum plume altitude of ~ 17 km. Based on the ERA-Interim reanalysis data and the NOAA HYSPLIT trajectory model, we estimated the possibility of penetration of volcanic aerosols inside the polar vortex. It was shown that volcanic aerosols could not contribute to the intensification of ozone depletion reactions, because it was outside the stable polar vortex.


Calbuco volcano eruption, Antarctic ozone hole, the southern polar vortex


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