Articles | Volume 19, issue 16
Atmos. Chem. Phys., 19, 11031–11041, 2019
https://doi.org/10.5194/acp-19-11031-2019
Atmos. Chem. Phys., 19, 11031–11041, 2019
https://doi.org/10.5194/acp-19-11031-2019

Research article 29 Aug 2019

Research article | 29 Aug 2019

Fine particulate matter (PM2.5) trends in China, 2013–2018: separating contributions from anthropogenic emissions and meteorology

Shixian Zhai et al.

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Status: closed
Status: closed
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 Shixian Zhai on behalf of the Authors (20 Jul 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (22 Jul 2019) by Toshihiko Takemura
RR by Anonymous Referee #2 (31 Jul 2019)
RR by Anonymous Referee #1 (08 Aug 2019)
ED: Publish subject to minor revisions (review by editor) (08 Aug 2019) by Toshihiko Takemura
AR by Shixian Zhai on behalf of the Authors (08 Aug 2019)  Author's response    Manuscript
ED: Publish as is (09 Aug 2019) by Toshihiko Takemura
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Short summary
Observed annual mean PM2.5 decreased by 30–50 % in China from 2013–2018. However, meteorologically PM2.5 variability complicates trend attribution. We used a stepwise multiple linear regression model to quantitatively separate contributions from anthropogenic emissions and meteorology. Results show that 88 % of the PM2.5 decrease across China is attributable to anthropogenic emission changes, and 12 % is attributable to meteorology.
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