Articles | Volume 17, issue 3
Atmos. Chem. Phys., 17, 1741–1758, 2017
https://doi.org/10.5194/acp-17-1741-2017
Atmos. Chem. Phys., 17, 1741–1758, 2017
https://doi.org/10.5194/acp-17-1741-2017
Research article
03 Feb 2017
Research article | 03 Feb 2017

Evolution of the eastward shift in the quasi-stationary minimum of the Antarctic total ozone column

Asen Grytsai et al.

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Cited articles

Agosta, E. A. and Canziani, P. O.: Interannual variations in the zonal asymmetry of the subpolar latitudes total ozone column during the austral spring, GeoActa, 35, 1–16, 2010.
Agosta, E. A. and Canziani, P. O.: Austral spring stratospheric and tropospheric circulation interannual variability, J. Climate, 24, 2629–2647, https://doi.org/10.1175/2010JCLI3418.1, 2011.
Albers, J. R. and Nathan, T. N.: Pathways for communicating the effects of stratospheric ozone to the polar vortex: Role of zonally asymmetric ozone, J. Atmos. Sci., 69, 785–801, https://doi.org/10.1175/JAS-D-11-0126.1, 2012.
Allen, D. R., Bevilacqua, R. M., Nedoluha, G. E., Randall, C. E., and Manney, G. L.: Unusual stratospheric transport and mixing during the 2002 Antarctic winter, Geophys. Res. Lett., 30, 1599, https://doi.org/10.1029/2003GL017117, 2003.
Arblaster, J. M., Gillett, N. P. (Lead Authors), Calvo, N., Forster, P. M., Polvani, L. M., Son, S.-W., Waugh, D. W., and Young, P. J.: Stratospheric ozone changes and climate, Chapter 4 in Scientific Assessment of Ozone Depletion: 2014, Global Ozone Research and Monitoring Project – Report No. 55, World Meteorological Organization, Geneva, Switzerland, 2014.
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Short summary
Twenty years ago we discovered that the ozone hole shape is asymmetric. This asymmetry is minimum over the Weddell Sea region and maximum over the Ross Sea area. Later we detected that the position of the ozone minimum is shifting east. We have continued to follow this event, and a couple years ago we revealed that the shift is slowing down and starting to move back. We connect all this movement with ozone hole increase; since 2000 the ozone layer has been stabilizing and recently recovering.
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