Articles | Volume 18, issue 10
https://doi.org/10.5194/acp-18-7557-2018
https://doi.org/10.5194/acp-18-7557-2018
Research article
 | 
31 May 2018
Research article |  | 31 May 2018

Multiple symptoms of total ozone recovery inside the Antarctic vortex during austral spring

Andrea Pazmiño, Sophie Godin-Beekmann, Alain Hauchecorne, Chantal Claud, Sergey Khaykin, Florence Goutail, Elian Wolfram, Jacobo Salvador, and Eduardo Quel

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Cited articles

Allen, D., Bevilacqua, R., Nedoluha, G., Randall, C., and Manney, G.: Unusual stratospheric transport and mixing during 2002 Antarctic winter, Geophys. Res. Lett., 30, 1599, https://doi.org/10.1029/2003GL017117, 2003. 
Bhartia, P. K. and Wellemeyer, C.: TOMS-V8 total O3 algorithm, in OMI Algorithm Theoretical Basis Document, vol. II, OMI Ozone Products, edited by: P. K. Bhartia, 15–31, NASA Goddard Space Flight Center, Greenbelt, Maryland, USA, 2002. 
Bodeker, G. E. and Scourfield, M. W. J.: Planetary waves in total ozone and their relation to Antarctic ozone depletion, Geophys. Res. Lett., 22, 2949–2952, 1995. 
Bodeker, G. E., Struthers, H., and Connor, B. J.: Dynamical containment of Antarctic ozone depletion, Geophys. Res. Lett., 29, 1098, https://doi.org/10.1029/2001GL014206, 2002. 
Chipperfield, M., Bekki, S., Dhomse, S., Harris, N. R. P., Hassler, B., Hossaini, R., Steinbrecht, W., Thiéblemont, R., and Weber, M.: Detecting recovery of stratospheric ozone layer, Nature, 549, 211–218, https://doi.org/10.1038/nature23681, 2017. 
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Short summary
The article mentions several symptoms of recovery. Multilinear regression analysis provides significant increase since 2001 of total ozone in Sept and during the period of maximum ozone destruction (15 Sept–15 Oct). There is significant decrease of ozone mass deficit for the same periods, decrease of relative area of total ozone values lower than 175 DU within the vortex (1 Sept–15 Oct since 2010) and a delay in the occurrence of ozone levels below 125 DU since 2005 for the 1 Sept–15 Oct period.
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