Articles | Volume 18, issue 10
Atmos. Chem. Phys., 18, 7439–7452, 2018
https://doi.org/10.5194/acp-18-7439-2018

Special issue: Chemistry–Climate Modelling Initiative (CCMI) (ACP/AMT/ESSD/GMD...

Atmos. Chem. Phys., 18, 7439–7452, 2018
https://doi.org/10.5194/acp-18-7439-2018

Research article 29 May 2018

Research article | 29 May 2018

Spatial and temporal variability of interhemispheric transport times

Xiaokang Wu et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Darryn Waugh on behalf of the Authors (25 Apr 2018)  Author's response    Manuscript
ED: Publish as is (11 May 2018) by Peter Hess
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Short summary
The seasonal and interannual variability of transport times from northern mid-latitudes into the southern hemisphere is examined using simulations of age tracers. The largest variability occurs near the surface close to the tropical convergence zones, but the peak is further south and there is a smaller tropical–extratropical contrast for tracers with more rapid loss. Hence the variability of trace gases in the southern extratropics will vary with their chemical lifetime.
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