Variation of size-segregated particle number concentrations in wintertime Beijing

Zhou, Ying; Dada, Lubna; Liu, Yiliang; Fu, Yueyun; Kangasluoma, Juha; Chan, Tommy; Yan, Chao; Chu, Biwu; Daellenbach, Kaspar R.; Bianchi, Federico; Kokkonen, Tom V.; Liu, Yongchun; Kujansuu, Joni; Kerminen, Veli-Matti; Petäjä, Tuukka; Wang, Lin; Jiang, Jingkun; Kulmala, Markku

doi:https://doi.org/10.5194/acp-20-1201-2020

Articles | Volume 20, issue 2

https://doi.org/10.5194/acp-20-1201-2020

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

https://doi.org/10.5194/acp-20-1201-2020

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

Articles | Volume 20, issue 2

Research article

|

31 Jan 2020

Research article |

| 31 Jan 2020

Variation of size-segregated particle number concentrations in wintertime Beijing

Ying Zhou, Lubna Dada, Yiliang Liu, Yueyun Fu, Juha Kangasluoma, Tommy Chan, Chao Yan, Biwu Chu, Kaspar R. Daellenbach, Federico Bianchi, Tom V. Kokkonen, Yongchun Liu, Joni Kujansuu, Veli-Matti Kerminen, Tuukka Petäjä, Lin Wang, Jingkun Jiang, and Markku Kulmala

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Final revised paper (published on 31 Jan 2020)
Supplement to the final revised paper
Preprint (discussion started on 13 Mar 2019)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Comments to acp-2019-60', Anonymous Referee #1, 13 May 2019
- AC1: 'Response to comments from reviewer #1', Ying Zhou, 11 Nov 2019
RC2: 'Comments to ACP-2019-60', Anonymous Referee #2, 29 Aug 2019
- AC2: 'Response to comments from reviewer #2', Ying Zhou, 11 Nov 2019

Peer-review completion

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

AR by Ying Zhou on behalf of the Authors (12 Nov 2019) Author's response Manuscript

ED: Publish as is (20 Dec 2019) by Astrid Kiendler-Scharr (deceased)

AR by Ying Zhou on behalf of the Authors (21 Dec 2019)

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Short summary

In this study, we focus on explaining the concentration variations in the observed particle modes, by relating them to the potential aerosol sources and sinks, and on understanding the connections between these modes. Interestingly, even in the atmospheric cocktail in urban Beijing, secondary new particle formation (NPF) drives the particle number concentration, especially in the sub-3 nm range. We found that the total number concentration is ~ 4 times higher on NPF days than on haze days.