A major event of Antarctic ozone hole influence in  southern Brazil in October 2016: an analysis of tropospheric and stratospheric dynamics

Bittencourt, Gabriela Dornelles; Bresciani, Caroline; Kirsch Pinheiro, Damaris; Bageston, José Valentin; Schuch, Nelson Jorge; Bencherif, Hassan; Leme, Neusa Paes; Vaz Peres, Lucas

doi:https://doi.org/10.5194/angeo-36-415-2018

Articles | Volume 36, issue 2

https://doi.org/10.5194/angeo-36-415-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Space weather connections to near-Earth space and the...

https://doi.org/10.5194/angeo-36-415-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 36, issue 2

Regular paper

|

16 Mar 2018

Regular paper |

| 16 Mar 2018

A major event of Antarctic ozone hole influence in southern Brazil in October 2016: an analysis of tropospheric and stratospheric dynamics

Gabriela Dornelles Bittencourt, Caroline Bresciani, Damaris Kirsch Pinheiro, José Valentin Bageston, Nelson Jorge Schuch, Hassan Bencherif, Neusa Paes Leme, and Lucas Vaz Peres

Data sets

ERA-Interim: Daily ECMWF http://apps.ecmwf.int/datasets/data/interim-full-daily/levtype=sfc

Division of Satellites and Environmental Systems CPTEC/INPE http://satelite.cptec.inpe.br/acervo/goes.formulario.logic?i=br

Short summary

Ozone-poor air mass can be released and leave through the Antarctic ozone hole, thus reaching midlatitude regions. The objective of this study is to show how tropospheric and stratospheric dynamics behaved during the event. The ozone-poor air mass began to operate in the region on 20 October 2016. A reduction of ozone content of approximately 23 % was observed in relation to the climatology average. The advance of the ozone-poor air mass caused intense reductions in total ozone content.