Relationship between Asian monsoon strength and transport of surface aerosols to the Asian Tropopause Aerosol Layer (ATAL): interannual variability and decadal changes

Yuan, Cheng; Lau, William K. M.; Li, Zhanqing; Cribb, Maureen

doi:https://doi.org/10.5194/acp-19-1901-2019

Articles | Volume 19, issue 3

https://doi.org/10.5194/acp-19-1901-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-19-1901-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 3

Research article

|

12 Feb 2019

Research article |

| 12 Feb 2019

Relationship between Asian monsoon strength and transport of surface aerosols to the Asian Tropopause Aerosol Layer (ATAL): interannual variability and decadal changes

Cheng Yuan, William K. M. Lau, Zhanqing Li, and Maureen Cribb

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Final revised paper (published on 12 Feb 2019)
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Preprint (discussion started on 18 Sep 2018)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of acp-2018-765 by Yuan et al.', Anonymous Referee #3, 16 Oct 2018
- AC1: 'Reply for Anonymous Referee 3#', Cheng Yuan, 11 Nov 2018
RC2: 'Review of acp-2018-765 by Cheng Yuan et al.', Anonymous Referee #4, 11 Nov 2018
- AC2: 'Reply to anonymous referee #4', Cheng Yuan, 30 Nov 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Cheng Yuan on behalf of the Authors (01 Dec 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (19 Dec 2018) by Xiaohong Liu

RR by Anonymous Referee #4 (15 Jan 2019)

ED: Publish subject to technical corrections (15 Jan 2019) by Xiaohong Liu

AR by Cheng Yuan on behalf of the Authors (19 Jan 2019) Author's response Manuscript

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Short summary

Using MERRA-2 reanalysis daily data from 2001 to 2015, we found that during strong South Asian summer monsoon years, the Asian monsoon anticyclone is more expansive and shifted northward. All the CO, carbonaceous aerosols and dust are found to be more abundant in the Asian Tropopause Aerosol Layer (ATAL). ATAL trends are associated with increasing strength of the AMA, with earlier and enhanced vertical transport of ATAL constituents by enhanced overshooting convection over the transport regions.