Articles | Volume 18, issue 11
Atmos. Chem. Phys., 18, 8409–8438, 2018
https://doi.org/10.5194/acp-18-8409-2018

Special issue: Chemistry–Climate Modelling Initiative (CCMI) (ACP/AMT/ESSD/GMD...

Atmos. Chem. Phys., 18, 8409–8438, 2018
https://doi.org/10.5194/acp-18-8409-2018

Research article 15 Jun 2018

Research article | 15 Jun 2018

Estimates of ozone return dates from Chemistry-Climate Model Initiative simulations

Sandip S. Dhomse et al.

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AR by Lorena Grabowski on behalf of the Authors (22 May 2018)  Author's response
ED: Publish subject to technical corrections (22 May 2018) by Paul Young
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Short summary
We analyse simulations from the Chemistry-Climate Model Initiative (CCMI) to estimate the return dates of the stratospheric ozone layer from depletion by anthropogenic chlorine and bromine. The simulations from 20 models project that global column ozone will return to 1980 values in 2047 (uncertainty range 2042–2052). Return dates in other regions vary depending on factors related to climate change and importance of chlorine and bromine. Column ozone in the tropics may continue to decline.
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