Articles | Volume 18, issue 21
Atmos. Chem. Phys., 18, 15643–15667, 2018
https://doi.org/10.5194/acp-18-15643-2018

Special issue: Sources, propagation, dissipation and impact of gravity waves...

Special issue: The Polar Stratosphere in a Changing Climate (POLSTRACC) (ACP/AMT...

Atmos. Chem. Phys., 18, 15643–15667, 2018
https://doi.org/10.5194/acp-18-15643-2018

Research article 30 Oct 2018

Research article | 30 Oct 2018

Mesoscale fine structure of a tropopause fold over mountains

Wolfgang Woiwode et al.

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Latest update: 23 Jan 2022
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Short summary
GLORIA observations during two crossings of the polar front jet stream resolve the fine mesoscale structure of a tropopause fold in high detail. Tracer–tracer correlations of H2O and O3 are presented as a function of potential temperature and reveal an active mixing region. Our study confirms conceptual models of tropopause folds, validates the high quality of ECMWF IFS forecasts, and suggests that mountain waves are capable of modulating exchange processes in the vicinity of tropopause folds.
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