Articles | Volume 14, issue 23
Atmos. Chem. Phys., 14, 12803–12814, 2014
https://doi.org/10.5194/acp-14-12803-2014
Atmos. Chem. Phys., 14, 12803–12814, 2014
https://doi.org/10.5194/acp-14-12803-2014

Research article 05 Dec 2014

Research article | 05 Dec 2014

On the hiatus in the acceleration of tropical upwelling since the beginning of the 21st century

J. Aschmann et al.

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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 Jan Aschmann on behalf of the Authors (27 Jun 2014)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (10 Jul 2014) by Gabriele Stiller
RR by Anonymous Referee #3 (20 Jul 2014)
RR by Anonymous Referee #1 (22 Jul 2014)
ED: Reconsider after major revisions (08 Aug 2014) by Gabriele Stiller
AR by Jan Aschmann on behalf of the Authors (27 Aug 2014)  Author's response    Manuscript
ED: Publish as is (21 Oct 2014) by Martin Dameris
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Short summary
This study compares observations and simulation results of ozone in the lower tropical stratosphere. It shows that ozone in this region decreased from 1985 up to about 2002, which is consistent with an increase in tropical upwelling predicted by climate models. However, the decrease effectively stops after 2002, indicating that significant changes in tropical upwelling have occurred. The most important factor appears to be that the vertical ascent in the tropics is no longer accelerating.
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