Observations of ozone-poor air in the tropical tropopause layer

Newton, Richard; Vaughan, Geraint; Hintsa, Eric; Filus, Michal T.; Pan, Laura L.; Honomichl, Shawn; Atlas, Elliot; Andrews, Stephen J.; Carpenter, Lucy J.

doi:https://doi.org/10.5194/acp-18-5157-2018

Articles | Volume 18, issue 7

https://doi.org/10.5194/acp-18-5157-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-5157-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 7

Research article

|

17 Apr 2018

Research article |

| 17 Apr 2018

Observations of ozone-poor air in the tropical tropopause layer

Richard Newton, Geraint Vaughan, Eric Hintsa, Michal T. Filus, Laura L. Pan, Shawn Honomichl, Elliot Atlas, Stephen J. Andrews, and Lucy J. Carpenter

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Final revised paper (published on 17 Apr 2018)
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Preprint (discussion started on 27 Oct 2017)
Supplement to the preprint

Interactive discussion

Status: closed

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

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RC1: 'TTL', Anonymous Referee #1, 13 Nov 2017
- AC1: 'Response to Anonymous Referee #1', Richard Newton, 17 Feb 2018
RC2: 'Review of Newton et al. "Observations of ozone-poor air in the Tropical Tropopause Layer"', Anonymous Referee #2, 06 Dec 2017
- AC2: 'Response to Anonymous Referee #2', Richard Newton, 17 Feb 2018

Peer-review completion

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

AR by Richard Newton on behalf of the Authors (17 Feb 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (19 Feb 2018) by Jianzhong Ma

RR by Anonymous Referee #1 (27 Feb 2018)

RR by Anonymous Referee #2 (12 Mar 2018)

ED: Publish as is (14 Mar 2018) by Jianzhong Ma

AR by Richard Newton on behalf of the Authors (22 Mar 2018)

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Short summary

We consider the ozone measurements from aircraft during the CAST/CONTRAST/ATTREX campaigns of 2014. Low concentrations of ozone were found in the layer of 10–15 km altitude, which is indicative of uplift of ozone-poor air from near the sea surface to 10–15 km altitude. Chemicals that have origins in the sea were found in greater abundance when ozone concentrations were low compared to when ozone concentrations were high. The lowest ozone concentrations were found in the Southern Hemisphere.