Articles | Volume 15, issue 12
https://doi.org/10.5194/acp-15-6897-2015
https://doi.org/10.5194/acp-15-6897-2015
Research article
 | 
24 Jun 2015
Research article |  | 24 Jun 2015

Nonlinear response of modelled stratospheric ozone to changes in greenhouse gases and ozone depleting substances in the recent past

S. Meul, S. Oberländer-Hayn, J. Abalichin, and U. Langematz

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Subject: Gases | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Stratosphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Butchart, N. and Scaife, A.: Removal of chlorofluorocarbons by increased mass exchange between the stratosphere and the troposphere in a changing climate, Nature, 410, 799–802, 2001.
Cicerone, R. J., Walters, S., and Liu, S. C.: Nonlinear response of stratospheric ozone column to chlorine injections, J. Geophys. Res., 88, 3647–3661, https://doi.org/10.1029/JC088iC06p03647, 1983.
Cook, P. A. and Roscoe, H. K.: Changes in reactive stratospheric gases due to a change in Brewer–Dobson circulation: results from a simple model, Atmos. Sci. Lett., 13, 49–54, https://doi.org/10.1002/asl.362, 2012.
Douglass, A. R., Stolarski, R. S., Strahan, S. E., and Oman, L. D.: Understanding differences in upper stratospheric ozone response to changes in chlorine and temperature as computed using CCMVal-2 models, J. Geophys. Res., 117, D16306, https://doi.org/10.1029/2012JD017483, 2012.
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Short summary
The attribution of stratospheric ozone (O3) loss in the recent past to increasing ozone depleting substances (ODSs) and greenhouse gases (GHGs) is important to verify the success of the Montreal Protocol. So far, nonlinearity in the O3 response to ODS and GHG changes has been mostly neglected. In this study we explicitly account for nonlinear O3 changes and aim to clarify their relevance in the past. We show that both O3 chemistry and transport are significantly affected by nonlinearity.
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