Covariability of dynamics and composition in the Asian monsoon tropopause layer from satellite observations and reanalysis products

Zhang, Shenglong; Chen, Jiao; Wright, Jonathon S.; Davis, Sean M.; Gao, Jie; Konopka, Paul; Li, Ninghui; Lu, Mengqian; Tegtmeier, Susann; Yan, Xiaolu; Zhang, Guang J.; Zhu, Nuanliang

doi:10.5194/acp-25-10109-2025

Articles | Volume 25, issue 17

https://doi.org/10.5194/acp-25-10109-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

The SPARC Reanalysis Intercomparison Project (S-RIP) Phase...

https://doi.org/10.5194/acp-25-10109-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 25, issue 17

Research article

|

09 Sep 2025

Research article |

| 09 Sep 2025

Covariability of dynamics and composition in the Asian monsoon tropopause layer from satellite observations and reanalysis products

Shenglong Zhang, Jiao Chen, Jonathon S. Wright, Sean M. Davis, Jie Gao, Paul Konopka, Ninghui Li, Mengqian Lu, Susann Tegtmeier, Xiaolu Yan, Guang J. Zhang, and Nuanliang Zhu

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Month	HTML	PDF	XML	Total
Mar 2025	57	13	4	74
Apr 2025	62	14	6	82
May 2025	38	13	5	56
Jun 2025	67	12	5	84
Jul 2025	38	16	1	55
Aug 2025	141	3	0	144
Sep 2025	1,821	61	7	1,889
Oct 2025	116	41	6	163
Nov 2025	131	62	3	196

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Short summary

Swirling above summer storms, the Asian monsoon anticyclone functions as both gateway and gatekeeper to moisture entering the stratosphere. Although well monitored from space since 2005, many details of the anticyclone and the air that flows through it remain mysterious. Reanalyses, which combine model output and observations, may help to address how and why but only if they reliably capture the what and where of water vapor variations. Current reanalyses are beginning to meet these criteria.


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