Vertical distribution of particle-phase dicarboxylic acids, oxoacids and <i>α</i>-dicarbonyls in the urban boundary layer based on the 325&thinsp;m tower in Beijing

Zhao, Wanyu; Ren, Hong; Kawamura, Kimitaka; Du, Huiyun; Chen, Xueshun; Yue, Siyao; Xie, Qiaorong; Wei, Lianfang; Li, Ping; Zeng, Xin; Kong, Shaofei; Sun, Yele; Wang, Zifa; Fu, Pingqing

doi:https://doi.org/10.5194/acp-20-10331-2020

Articles | Volume 20, issue 17

https://doi.org/10.5194/acp-20-10331-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-10331-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 17

Research article

|

07 Sep 2020

Research article |

| 07 Sep 2020

Vertical distribution of particle-phase dicarboxylic acids, oxoacids and α-dicarbonyls in the urban boundary layer based on the 325 m tower in Beijing

Wanyu Zhao, Hong Ren, Kimitaka Kawamura, Huiyun Du, Xueshun Chen, Siyao Yue, Qiaorong Xie, Lianfang Wei, Ping Li, Xin Zeng, Shaofei Kong, Yele Sun, Zifa Wang, and Pingqing Fu

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Preprint (discussion started on 11 Mar 2020)
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Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Vertical distribution of organic acids', Anonymous Referee #1, 09 Apr 2020
- AC1: 'Responses to Reviewer #1', Pingqing Fu, 18 Jun 2020
RC2: 'Comments on acp-2020-131', Anonymous Referee #2, 13 Apr 2020
- AC2: 'Responses to Reviewer #2', Pingqing Fu, 18 Jun 2020

Peer-review completion

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

AR by Pingqing Fu on behalf of the Authors (02 Jul 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (13 Jul 2020) by Jianzhong Ma

RR by Anonymous Referee #2 (22 Jul 2020)

ED: Publish as is (23 Jul 2020) by Jianzhong Ma

AR by Pingqing Fu on behalf of the Authors (25 Jul 2020) Manuscript

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Short summary

Our observations provide detailed information on the abundance and vertical distribution of dicarboxylic acids, oxoacids and α-dicarbonyls in PM_2.5 collected at three heights based on a 325 m meteorological tower in Beijing in summer. Our results demonstrate that organic acids at the ground surface are largely associated with local traffic emissions, while long-range atmospheric transport followed by photochemical ageing contributes more in the urban boundary layer than the ground surface.