Upward transport into and within the Asian monsoon anticyclone as inferred from StratoClim trace gas observations

von Hobe, Marc; Ploeger, Felix; Konopka, Paul; Kloss, Corinna; Ulanowski, Alexey; Yushkov, Vladimir; Ravegnani, Fabrizio; Volk, C. Michael; Pan, Laura L.; Honomichl, Shawn B.; Tilmes, Simone; Kinnison, Douglas E.; Garcia, Rolando R.; Wright, Jonathon S.

doi:https://doi.org/10.5194/acp-21-1267-2021

Articles | Volume 21, issue 2

https://doi.org/10.5194/acp-21-1267-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

StratoClim stratospheric and upper tropospheric processes...

https://doi.org/10.5194/acp-21-1267-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 2

Research article

|

29 Jan 2021

Research article |

| 29 Jan 2021

Upward transport into and within the Asian monsoon anticyclone as inferred from StratoClim trace gas observations

Marc von Hobe, Felix Ploeger, Paul Konopka, Corinna Kloss, Alexey Ulanowski, Vladimir Yushkov, Fabrizio Ravegnani, C. Michael Volk, Laura L. Pan, Shawn B. Honomichl, Simone Tilmes, Douglas E. Kinnison, Rolando R. Garcia, and Jonathon S. Wright

Supplement

https://doi.org/10.5194/acp-21-1267-2021-supplement

Data sets

HALO database German Aerospace Center https://halo-db.pa.op.dlr.de/mission/101

Model code and software

CESM2 (CESM2.1) US National Science Foundation https://escomp.github.io/CESM/versions/cesm2.1/html/downloading_cesm.html

Video supplement

WACCM simulated Carbon Monoxide (CO) in the Asian Summer Monsoon anticyclone during 2017 StratoClim campaign at different pressure levels Shawn B. Honomichl, Laura L. Pan, and Marc von Hobe https://doi.org/10.5446/48163

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Short summary

The Asian summer monsoon (ASM) is known to foster transport of polluted tropospheric air into the stratosphere. To test and amend our picture of ASM vertical transport, we analyse distributions of airborne trace gas observations up to 20 km altitude near the main ASM vertical conduit south of the Himalayas. We also show that a new high-resolution version of the global chemistry climate model WACCM is able to reproduce the observations well.