Production of N2O5 and ClNO2 in summer in urban Beijing, China

Zhou, Wei; Zhao, Jian; Ouyang, Bin; Mehra, Archit; Xu, Weiqi; Wang, Yuying; Bannan, Thomas J.; Worrall, Stephen D.; Priestley, Michael; Bacak, Asan; Chen, Qi; Xie, Conghui; Wang, Qingqing; Wang, Junfeng; Du, Wei; Zhang, Yingjie; Ge, Xinlei; Ye, Penglin; Lee, James D.; Fu, Pingqing; Wang, Zifa; Worsnop, Douglas; Jones, Roderic; Percival, Carl J.; Coe, Hugh; Sun, Yele

doi:https://doi.org/10.5194/acp-18-11581-2018

Articles | Volume 18, issue 16

Atmos. Chem. Phys., 18, 11581–11597, 2018

https://doi.org/10.5194/acp-18-11581-2018

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

Special issue: In-depth study of air pollution sources and processes within...

Atmos. Chem. Phys., 18, 11581–11597, 2018

https://doi.org/10.5194/acp-18-11581-2018

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

Articles | Volume 18, issue 16

Research article 16 Aug 2018

Research article | 16 Aug 2018

Production of N₂O₅ and ClNO₂ in summer in urban Beijing, China

Wei Zhou et al.

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Final revised paper (published on 16 Aug 2018)
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Preprint (discussion started on 04 Apr 2018)
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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 acp-2018-348', Anonymous Referee #1, 27 Apr 2018
RC2: 'Review of “Production of N2O5 and ClNO2 in summer in urban Beijing, China” by Zhou et al.', Anonymous Referee #2, 08 Jun 2018
AC1: 'Reply to the two referees' comments', Yele Sun, 18 Jul 2018

Peer-review completion

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

AR by Yele Sun on behalf of the Authors (18 Jul 2018) Author's response Manuscript

ED: Publish subject to technical corrections (26 Jul 2018) by Yongjie Li

Short summary

We present measurements of gas-phase N₂O₅ and ClNO₂ by ToF-CIMS during summer in urban Beijing as part of the APHH campaign. High reactivity of N₂O₅ indicative of active nocturnal chemistry was observed. The lifetime of N₂O₅ as a function of aerosol surface area and relative humidity was characterized, and N₂O₅ uptake coefficients were estimated. We also found that the N₂O₅ loss in this study is mainly attributed to its indirect loss via reactions of NO₃ with VOCs and NO.