Articles | Volume 20, issue 11
Atmos. Chem. Phys., 20, 7035–7047, 2020
https://doi.org/10.5194/acp-20-7035-2020
Atmos. Chem. Phys., 20, 7035–7047, 2020
https://doi.org/10.5194/acp-20-7035-2020
Research article
15 Jun 2020
Research article | 15 Jun 2020

Seasonal stratospheric ozone trends over 2000–2018 derived from several merged data sets

Monika E. Szeląg et al.

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Cited articles

Ball, W. T., Chiodo, G., Abalos, M., and Alsing, J.: Inconsistencies between chemistry climate model and observed lower stratospheric trends since 1998, Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2019-734, in review, 2019. 
Bourassa, A. E., Degenstein, D. A., Randel, W. J., Zawodny, J. M., Kyrölä, E., McLinden, C. A., Sioris, C. E., and Roth, C. Z.: Trends in stratospheric ozone derived from merged SAGE II and Odin-OSIRIS satellite observations, Atmos. Chem. Phys., 14, 6983–6994, https://doi.org/10.5194/acp-14-6983-2014, 2014. 
Brasseur, G. P. and Solomon, S.: Aeronomy of the Middle Atmosphere, 3rd edn., D. Reidel Publishing Company, Dordrecht, 2005. 
Brewer, A. W.: Evidence for a world circulation provided by the measurements of helium and water vapor distribution in the stratosphere, Q. J. Roy. Meteor. Soc., 75, 351–363, 1949. 
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We analyze seasonal dependence of stratospheric ozone trends over 2000–2018. We demonstrate that the mid-latitude upper stratospheric ozone recovery maximizes during local winters and equinoxes. In the tropics, a very strong seasonal dependence of ozone trends is observed at all altitudes. We found hemispheric asymmetry of summertime ozone trend patterns below 35 km. The seasonal dependence of ozone trends and stratospheric temperature trends shows a clear inter-relation of the trend patterns.
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