Experimental budgets of OH, HO<sub>2</sub>, and RO<sub>2</sub> radicals and implications for ozone formation in the Pearl River Delta in China 2014

Tan, Zhaofeng; Lu, Keding; Hofzumahaus, Andreas; Fuchs, Hendrik; Bohn, Birger; Holland, Frank; Liu, Yuhan; Rohrer, Franz; Shao, Min; Sun, Kang; Wu, Yusheng; Zeng, Limin; Zhang, Yinsong; Zou, Qi; Kiendler-Scharr, Astrid; Wahner, Andreas; Zhang, Yuanhang

doi:https://doi.org/10.5194/acp-19-7129-2019

Articles | Volume 19, issue 10

https://doi.org/10.5194/acp-19-7129-2019

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

https://doi.org/10.5194/acp-19-7129-2019

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

Articles | Volume 19, issue 10

Research article

|

29 May 2019

Research article |

| 29 May 2019

Experimental budgets of OH, HO₂, and RO₂ radicals and implications for ozone formation in the Pearl River Delta in China 2014

Zhaofeng Tan, Keding Lu, Andreas Hofzumahaus, Hendrik Fuchs, Birger Bohn, Frank Holland, Yuhan Liu, Franz Rohrer, Min Shao, Kang Sun, Yusheng Wu, Limin Zeng, Yinsong Zhang, Qi Zou, Astrid Kiendler-Scharr, Andreas Wahner, and Yuanhang Zhang

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Preprint (discussion started on 04 Sep 2018)
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Status: closed

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

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RC1: 'review of acp-2018-801', Anonymous Referee #2, 09 Oct 2018
- AC2: 'Reponse to Referee #2', Zhaofeng Tan, 04 May 2019
RC2: 'Review of Tan et al.', Anonymous Referee #1, 15 Oct 2018
- AC1: 'Reponse to Referee #1', Zhaofeng Tan, 04 May 2019
RC3: 'Reviewer Comments', Anonymous Referee #3, 17 Oct 2018
- AC3: 'Reponse to Referee #3', Zhaofeng Tan, 04 May 2019

Peer-review completion

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

AR by Anna Wenzel on behalf of the Authors (06 May 2019) Author's response Manuscript

ED: Publish as is (15 May 2019) by Dwayne Heard

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Short summary

Atmospheric OH, HO₂, and RO₂ radicals; OH reactivity; and trace gases measured in the Pearl River Delta in autumn 2014 are used for radical budget analyses. The RO₂ budget suggests that unexplained OH reactivity is due to unmeasured volatile organic compounds. The OH budget points to a missing OH source and that of RO₂ to a missing RO₂ sink at low NO. This could indicate a common, unknown process that converts RO₂ to OH without the involvement of NO, which would reduce ozone production by 30 %.

Experimental budgets of OH, HO2, and RO2 radicals and implications for ozone formation in the Pearl River Delta in China 2014

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Interactive discussion

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Experimental budgets of OH, HO₂, and RO₂ radicals and implications for ozone formation in the Pearl River Delta in China 2014