Articles | Volume 19, issue 6
https://doi.org/10.5194/acp-19-3673-2019
https://doi.org/10.5194/acp-19-3673-2019
Research article
 | 
21 Mar 2019
Research article |  | 21 Mar 2019

Potential impacts of cold frontal passage on air quality over the Yangtze River Delta, China

Hanqing Kang, Bin Zhu, Jinhui Gao, Yao He, Honglei Wang, Jifeng Su, Chen Pan, Tong Zhu, and Bu Yu

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by H. Kang on behalf of the Authors (30 Dec 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (19 Jan 2019) by Tong Zhu
RR by Anonymous Referee #1 (21 Jan 2019)
RR by Anonymous Referee #2 (22 Jan 2019)
ED: Reconsider after major revisions (26 Jan 2019) by Tong Zhu
AR by H. Kang on behalf of the Authors (20 Feb 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (21 Feb 2019) by Tong Zhu
RR by Anonymous Referee #2 (26 Feb 2019)
ED: Publish as is (26 Feb 2019) by Tong Zhu
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Short summary
In this study, we found that a cold front can transport air pollutants from the polluted North China Plain to the Yangtze River Delta (YRD), thereby deteriorating air quality over the YRD. Before the cold frontal passage, a warm and polluted air mass over YRD climbed to the free troposphere (1.0–2.0 km) along the frontal surface. After the cold frontal passage, high pressure behind the frontal zone resulted in a synoptic subsidence that trapped PM2.5 in the surface.
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