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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Latest update: 25 Oct 2021
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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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