Articles | Volume 19, issue 17
Atmos. Chem. Phys., 19, 11559–11586, 2019
https://doi.org/10.5194/acp-19-11559-2019

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

Atmos. Chem. Phys., 19, 11559–11586, 2019
https://doi.org/10.5194/acp-19-11559-2019

Research article 13 Sep 2019

Research article | 13 Sep 2019

The effect of atmospheric nudging on the stratospheric residual circulation in chemistry–climate models

Andreas Chrysanthou et al.

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Latest update: 24 Oct 2021
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Short summary
We perform the first multi-model comparison of the impact of nudged meteorology on the stratospheric residual circulation (RC) in chemistry–climate models. Nudging meteorology does not constrain the mean strength of RC compared to free-running simulations, and despite the lack of agreement in the mean circulation, nudging tightly constrains the inter-annual variability in the tropical upward mass flux in the lower stratosphere. In summary, nudging strongly affects the representation of RC.
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