A growing threat to the ozone layer from short-lived anthropogenic chlorocarbons

Oram, David E.; Ashfold, Matthew J.; Laube, Johannes C.; Gooch, Lauren J.; Humphrey, Stephen; Sturges, William T.; Leedham Elvidge, Emma C.; Forster, Grant L.; Harris, Neil R. P.; Mead, Mohammed Iqbal; Samah, Azizan Abu; Phang, Siew Moi; Ou-Yang, Chang-Feng; Lin, Neng-Huei; Wang, Jia-Lin; Baker, Angela K.; Brenninkmeijer, Carl A. M.; Sherry, David

doi:https://doi.org/10.5194/acp-17-11929-2017

Articles | Volume 17, issue 19

https://doi.org/10.5194/acp-17-11929-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-11929-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 19

Research article

| Highlight paper

|

12 Oct 2017

Research article | Highlight paper |

| 12 Oct 2017

A growing threat to the ozone layer from short-lived anthropogenic chlorocarbons

David E. Oram, Matthew J. Ashfold, Johannes C. Laube, Lauren J. Gooch, Stephen Humphrey, William T. Sturges, Emma C. Leedham Elvidge, Grant L. Forster, Neil R. P. Harris, Mohammed Iqbal Mead, Azizan Abu Samah, Siew Moi Phang, Chang-Feng Ou-Yang, Neng-Huei Lin, Jia-Lin Wang, Angela K. Baker, Carl A. M. Brenninkmeijer, and David Sherry

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Final revised paper (published on 12 Oct 2017)
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Preprint (discussion started on 02 Jun 2017)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review', Bjoern-Martin Sinnhuber, 11 Jul 2017
RC2: 'Review', Anonymous Referee #2, 22 Jul 2017
AC1: 'Author response', David Oram, 11 Sep 2017

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by David Oram on behalf of the Authors (12 Sep 2017) Author's response Manuscript

ED: Publish as is (14 Sep 2017) by Anne Perring

AR by David Oram on behalf of the Authors (21 Sep 2017) Manuscript

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Short summary

We have observed large amounts of man-made chlorine compounds in E and SE Asia and in the upper tropical troposphere. These relatively short-lived compounds are not controlled by the Montreal Protocol, but if significant quantities were able to reach the stratosphere, the long-term recovery of stratospheric ozone would be delayed. We have also identified an important atmospheric transport mechanism that can rapidly transport these chemicals from E Asia to the upper troposphere via the tropics.