Mutual promotion between aerosol particle liquid water and particulate nitrate enhancement leads to severe nitrate-dominated particulate matter pollution and low visibility

Wang, Yu; Chen, Ying; Wu, Zhijun; Shang, Dongjie; Bian, Yuxuan; Du, Zhuofei; Schmitt, Sebastian H.; Su, Rong; Gkatzelis, Georgios I.; Schlag, Patrick; Hohaus, Thorsten; Voliotis, Aristeidis; Lu, Keding; Zeng, Limin; Zhao, Chunsheng; Alfarra, M. Rami; McFiggans, Gordon; Wiedensohler, Alfred; Kiendler-Scharr, Astrid; Zhang, Yuanhang; Hu, Min

doi:https://doi.org/10.5194/acp-20-2161-2020

Articles | Volume 20, issue 4

https://doi.org/10.5194/acp-20-2161-2020

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

Special issue:

Multiphase chemistry of secondary aerosol formation under...

https://doi.org/10.5194/acp-20-2161-2020

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

Articles | Volume 20, issue 4

Research article

|

26 Feb 2020

Research article |

| 26 Feb 2020

Mutual promotion between aerosol particle liquid water and particulate nitrate enhancement leads to severe nitrate-dominated particulate matter pollution and low visibility

Yu Wang, Ying Chen, Zhijun Wu, Dongjie Shang, Yuxuan Bian, Zhuofei Du, Sebastian H. Schmitt, Rong Su, Georgios I. Gkatzelis, Patrick Schlag, Thorsten Hohaus, Aristeidis Voliotis, Keding Lu, Limin Zeng, Chunsheng Zhao, M. Rami Alfarra, Gordon McFiggans, Alfred Wiedensohler, Astrid Kiendler-Scharr, Yuanhang Zhang, and Min Hu

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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

SC1: 'Contribution of dinitrogen pentoxide to GAC nitric acid measurements', Gavin Phillips, 01 Oct 2019
- AC1: 'Re: SC1: 'Contribution of dinitrogen pentoxide to GAC nitric acid measurements'', Zhijun Wu, 02 Jan 2020
RC1: 'Review_acp_2019-716', Anonymous Referee #1, 24 Oct 2019
- AC2: 'Re: Anonymous Referee #1', Zhijun Wu, 02 Jan 2020
RC2: 'Comment on acp-2019-202', Anonymous Referee #2, 22 Nov 2019
- AC3: 'Re: Anonymous Referee #2', Zhijun Wu, 02 Jan 2020

Peer-review completion

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

AR by Zhijun Wu on behalf of the Authors (02 Jan 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (11 Jan 2020) by Jingkun Jiang

RR by Anonymous Referee #1 (11 Jan 2020)

RR by Anonymous Referee #2 (12 Jan 2020)

ED: Publish as is (13 Jan 2020) by Jingkun Jiang

AR by Zhijun Wu on behalf of the Authors (22 Jan 2020) Manuscript

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Short summary

Severe haze events, with high particulate nitrate (pNO₃⁻) burden, frequently prevail in Beijing. In this study, we demonstrate a mutual-promotion effect between aerosol water uptake and pNO₃⁻ formation backed up by theoretical calculations and field observations throughout a typical pNO₃⁻-dominated haze event in Beijing wintertime. This self-amplified mutual-promotion effect between aerosol water content and particulate nitrate can rapidly deteriorate air quality and degrade visibility.