Articles | Volume 17, issue 9
Atmos. Chem. Phys., 17, 6091–6111, 2017
https://doi.org/10.5194/acp-17-6091-2017

Special issue: The Modular Earth Submodel System (MESSy) (ACP/GMD inter-journal...

Atmos. Chem. Phys., 17, 6091–6111, 2017
https://doi.org/10.5194/acp-17-6091-2017

Research article 16 May 2017

Research article | 16 May 2017

Trace gas composition in the Asian summer monsoon anticyclone: a case study based on aircraft observations and model simulations

Klaus-D. Gottschaldt et al.

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AR by Klaus-Dirk Gottschaldt on behalf of the Authors (08 Mar 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (10 Mar 2017) by Marc von Hobe
RR by Anonymous Referee #2 (20 Mar 2017)
ED: Publish as is (21 Mar 2017) by Marc von Hobe
Short summary
We present upper-tropospheric trace gas measurements in the Asian summer monsoon anticyclone, obtained with the HALO research aircraft in September 2012. The anticyclone is one of the largest atmospheric features on Earth, but many aspects of it are not well understood. With the help of model simulations we find that entrainments from the tropopause region and the lower troposphere, combined with photochemistry and dynamical instabilities, can explain the observations.
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