Articles | Volume 18, issue 22
Atmos. Chem. Phys., 18, 16439–16459, 2018
https://doi.org/10.5194/acp-18-16439-2018
Atmos. Chem. Phys., 18, 16439–16459, 2018
https://doi.org/10.5194/acp-18-16439-2018

Research article 20 Nov 2018

Research article | 20 Nov 2018

Lower tropospheric ozone over the North China Plain: variability and trends revealed by IASI satellite observations for 2008–2016

Gaëlle Dufour et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Gaëlle Dufour on behalf of the Authors (12 Sep 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (23 Oct 2018) by Michel Van Roozendael
RR by Anonymous Referee #1 (30 Oct 2018)
ED: Publish subject to minor revisions (review by editor) (30 Oct 2018) by Michel Van Roozendael
AR by Gaëlle Dufour on behalf of the Authors (06 Nov 2018)  Author's response    Manuscript
ED: Publish as is (07 Nov 2018) by Michel Van Roozendael
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Short summary
The analysis of IASI lower tropospheric ozone columns over the North China Plain for the 2008–2016 period reveals two distinct periods: one before 2013 without any significant trend, and one after 2013 with a significant negative trend (−1.2 % yr−1). Our results suggest that the negative trend could be attributed to a reduction of the stratosphere-to-troposphere transport combined with the recent reduction of regional NOx emissions.
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