Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter

Duan, Jing; Huang, Ru-Jin; Lin, Chunshui; Dai, Wenting; Wang, Meng; Gu, Yifang; Wang, Ying; Zhong, Haobin; Zheng, Yan; Ni, Haiyan; Dusek, Uli; Chen, Yang; Li, Yongjie; Chen, Qi; Worsnop, Douglas R.; O'Dowd, Colin D.; Cao, Junji

doi:https://doi.org/10.5194/acp-19-10319-2019

Articles | Volume 19, issue 15

https://doi.org/10.5194/acp-19-10319-2019

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

Special issue:

Regional transport and transformation of air pollution in...

https://doi.org/10.5194/acp-19-10319-2019

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

Articles | Volume 19, issue 15

Research article

|

14 Aug 2019

Research article |

| 14 Aug 2019

Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter

Jing Duan, Ru-Jin Huang, Chunshui Lin, Wenting Dai, Meng Wang, Yifang Gu, Ying Wang, Haobin Zhong, Yan Zheng, Haiyan Ni, Uli Dusek, Yang Chen, Yongjie Li, Qi Chen, Douglas R. Worsnop, Colin D. O'Dowd, and Junji Cao

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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', Anonymous Referee #2, 05 Apr 2019
RC2: 'Comments on “Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter” by Jing Duan et al.', Anonymous Referee #1, 08 Apr 2019
AC1: 'Response to reviewers', Ru-Jin Huang, 08 Jun 2019
AC2: 'revised manuscript with track change', Ru-Jin Huang, 08 Jun 2019
AC3: 'revised supplement to the manuscript', Ru-Jin Huang, 08 Jun 2019

Peer-review completion

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

AR by Ru-Jin Huang on behalf of the Authors (08 Jun 2019) Author's response Manuscript

ED: Referee Nomination & Report Request started (12 Jun 2019) by Luisa Molina

RR by Anonymous Referee #1 (18 Jun 2019)

RR by Anonymous Referee #2 (30 Jun 2019)

ED: Reconsider after major revisions (13 Jul 2019) by Luisa Molina

AR by Ru-Jin Huang on behalf of the Authors (20 Jul 2019) Author's response Manuscript

ED: Publish as is (23 Jul 2019) by Luisa Molina

AR by Ru-Jin Huang on behalf of the Authors (24 Jul 2019) Manuscript

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Short summary

We present the seasonal distinction of secondary aerosol formation in urban Beijing. Both photochemical oxidation and aqueous-phase processing played important roles in SOA (secondary organic aerosol) formation during all three seasons; while for sulfate formation, gas-phase photochemical oxidation was the major pathway in late summer, aqueous-phase reactions were more responsible during early winter, and both processes had contributions during autumn.