Impact of El Niño–Southern Oscillation on the interannual variability of methane and tropospheric ozone

Rowlinson, Matthew J.; Rap, Alexandru; Arnold, Stephen R.; Pope, Richard J.; Chipperfield, Martyn P.; McNorton, Joe; Forster, Piers; Gordon, Hamish; Pringle, Kirsty J.; Feng, Wuhu; Kerridge, Brian J.; Latter, Barry L.; Siddans, Richard

doi:https://doi.org/10.5194/acp-19-8669-2019

Articles | Volume 19, issue 13

https://doi.org/10.5194/acp-19-8669-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-19-8669-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 13

Research article

|

09 Jul 2019

Research article |

| 09 Jul 2019

Impact of El Niño–Southern Oscillation on the interannual variability of methane and tropospheric ozone

Matthew J. Rowlinson, Alexandru Rap, Stephen R. Arnold, Richard J. Pope, Martyn P. Chipperfield, Joe McNorton, Piers Forster, Hamish Gordon, Kirsty J. Pringle, Wuhu Feng, Brian J. Kerridge, Barry L. Latter, and Richard Siddans

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Final revised paper (published on 09 Jul 2019)
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Preprint (discussion started on 14 Mar 2019)
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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 of Rowlinson et al', Anonymous Referee #1, 19 Apr 2019
RC2: 'Review comments on https://doi.org/10.5194/acp-2019-222', Anonymous Referee #2, 23 Apr 2019
AC1: 'Response to reviewer comments', Matthew Rowlinson, 05 Jun 2019

Peer-review completion

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

AR by Matthew Rowlinson on behalf of the Authors (06 Jun 2019) Author's response Manuscript

ED: Publish as is (11 Jun 2019) by Tim Butler

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Short summary

Wildfires and meteorology have a substantial effect on atmospheric concentrations of greenhouse gases such as methane and ozone. During the 1997 El Niño event, unusually large fire emissions indirectly increased global methane through carbon monoxide emission, which decreased the oxidation capacity of the atmosphere. There were also large regional changes to tropospheric ozone concentrations, but contrasting effects of fire and meteorology resulted in a small change to global radiative forcing.