Summertime fine particulate nitrate pollution in the North China Plain: increasing trends, formation mechanisms and implications for control policy

Wen, Liang; Xue, Likun; Wang, Xinfeng; Xu, Caihong; Chen, Tianshu; Yang, Lingxiao; Wang, Tao; Zhang, Qingzhu; Wang, Wenxing

doi:https://doi.org/10.5194/acp-18-11261-2018

Articles | Volume 18, issue 15

https://doi.org/10.5194/acp-18-11261-2018

© Author(s) 2018. 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-18-11261-2018

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

Articles | Volume 18, issue 15

Research article

|

13 Aug 2018

Research article |

| 13 Aug 2018

Summertime fine particulate nitrate pollution in the North China Plain: increasing trends, formation mechanisms and implications for control policy

Liang Wen, Likun Xue, Xinfeng Wang, Caihong Xu, Tianshu Chen, Lingxiao Yang, Tao Wang, Qingzhu Zhang, and Wenxing Wang

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Preprint (discussion started on 08 Feb 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: 'Referee Review', Anonymous Referee #1, 24 Feb 2018
- AC1: 'Response to Referee 1', L.K. Xue, 14 Jun 2018
RC2: 'Review of acp-2018-89', Anonymous Referee #2, 10 Mar 2018
- AC2: 'Response to referee 2', L.K. Xue, 14 Jun 2018
EC1: 'Editor Review', David Parrish, 20 Apr 2018
- AC3: 'Response to the Editor', L.K. Xue, 14 Jun 2018
RC3: 'Referee comments', Anonymous Referee #3, 21 Apr 2018
- AC4: 'Response to Referee 3', L.K. Xue, 14 Jun 2018

Peer-review completion

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

AR by L.K. Xue on behalf of the Authors (15 Jun 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (19 Jun 2018) by David Parrish

RR by Anonymous Referee #2 (25 Jun 2018)

RR by Anonymous Referee #1 (03 Jul 2018)

RR by Anonymous Referee #3 (10 Jul 2018)

ED: Publish subject to minor revisions (review by editor) (10 Jul 2018) by David Parrish

AR by L.K. Xue on behalf of the Authors (18 Jul 2018) Author's response Manuscript

ED: Publish subject to technical corrections (23 Jul 2018) by David Parrish

AR by L.K. Xue on behalf of the Authors (24 Jul 2018) Author's response Manuscript

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Short summary

We present the first piece of observational evidence of the increasing trend of fine nitrate aerosol in the North China Plain (NCP) during 2005–2015. The summertime nitrate formation mechanism is dissected with a multiphase chemical box model based on observations at three different sites. The nitrate formation is most sensitive to NO₂ and to a lesser extent to O₃. NH₃ plays a significant role in prompting the nitrate formation, but it is usually in excess in summer in the NCP region.