Articles | Volume 19, issue 9
Atmos. Chem. Phys., 19, 6269–6294, 2019
https://doi.org/10.5194/acp-19-6269-2019
Atmos. Chem. Phys., 19, 6269–6294, 2019
https://doi.org/10.5194/acp-19-6269-2019

Research article 14 May 2019

Research article | 14 May 2019

Trends and trend reversal detection in 2 decades of tropospheric NO2 satellite observations

Aristeidis K. Georgoulias et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Aristeidis Georgoulias on behalf of the Authors (23 Mar 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (09 Apr 2019) by Ilse Aben
RR by Maria-Elissavet Koukouli (10 Apr 2019)
ED: Publish as is (10 Apr 2019) by Ilse Aben
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Short summary
In this paper, a ∼21-year self-consistent global dataset from four different satellite sensors is compiled for the first time to study the long-term tropospheric NO2 patterns and trends. A novel method capable of detecting the year when a reversal of trends happened shows that tropospheric NO2 concentrations switched from positive to negative trends and vice versa over several regions around the globe during the last 2 decades.
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