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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Jul 2025	76	32	2	110
Aug 2025	348	8	0	356
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Cumulative views and downloads (calculated since 25 Mar 2025)

Month	HTML	PDF	XML	Total
Mar 2025	114	34	8	156
Apr 2025	128	34	12	174
May 2025	78	26	10	114
Jun 2025	128	24	10	162
Jul 2025	76	32	2	110
Aug 2025	348	8	0	356
Sep 2025	2,373	88	26	2,487
Oct 2025	160	69	12	241
Nov 2025	159	100	7	266
Dec 2025	222	180	18	420
Jan 2026	281	360	19	660
Feb 2026	736	95	13	844
Mar 2026	166	144	16	326
Apr 2026	133	111	24	268
May 2026	21	20	2	43

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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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