Articles | Volume 17, issue 5
Research article
07 Mar 2017
Research article |  | 07 Mar 2017

Causes of interannual variability over the southern hemispheric tropospheric ozone maximum

Junhua Liu, Jose M. Rodriguez, Stephen D. Steenrod, Anne R. Douglass, Jennifer A. Logan, Mark A. Olsen, Krzysztof Wargan, and Jerald R. Ziemke


Interactive discussion

Status: closed
Status: closed
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 Anna Mirena Feist-Polner on behalf of the Authors (07 Feb 2017)  Author's response    Manuscript
ED: Publish as is (08 Feb 2017) by Ken Carslaw
Short summary
We quantify the relative contribution of processes controlling the interannual variability (IAV) of tropospheric ozone over the southern hemispheric tropospheric ozone maximum (SHTOM) with GMI chemistry transport model. We use various GMI tracer diagnostics, including a StratO3 tracer to quantify the stratospheric impact, and tagged CO tracers to track the emission sources. Our result shows that the stratospheric contribution is the most important factor driving the IAV of upper tropospheric O3.
Final-revised paper