Open cells exhibit weaker entrainment of free-tropospheric biomass burning aerosol into the south-east Atlantic boundary layer

Abel, Steven J.; Barrett, Paul A.; Zuidema, Paquita; Zhang, Jianhao; Christensen, Matt; Peers, Fanny; Taylor, Jonathan W.; Crawford, Ian; Bower, Keith N.; Flynn, Michael

doi:https://doi.org/10.5194/acp-20-4059-2020

Articles | Volume 20, issue 7

https://doi.org/10.5194/acp-20-4059-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

New observations and related modelling studies of the aerosol–cloud–climate...

https://doi.org/10.5194/acp-20-4059-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 7

Research article

|

06 Apr 2020

Research article |

| 06 Apr 2020

Open cells exhibit weaker entrainment of free-tropospheric biomass burning aerosol into the south-east Atlantic boundary layer

Steven J. Abel, Paul A. Barrett, Paquita Zuidema, Jianhao Zhang, Matt Christensen, Fanny Peers, Jonathan W. Taylor, Ian Crawford, Keith N. Bower, and Michael Flynn

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Final revised paper (published on 06 Apr 2020)
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Preprint (discussion started on 13 Sep 2019)

Interactive discussion

Status: closed

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

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RC1: 'Review comments', Anonymous Referee #1, 02 Nov 2019
- AC1: 'Response to reviewers', Steven Abel, 21 Dec 2019
RC2: 'Review of Abel et al. (2019)', Anonymous Referee #2, 08 Nov 2019
- AC1: 'Response to reviewers', Steven Abel, 21 Dec 2019
RC3: 'review of acp-2019-738', Anonymous Referee #3, 10 Nov 2019
- AC1: 'Response to reviewers', Steven Abel, 21 Dec 2019

Peer-review completion

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

AR by Steven Abel on behalf of the Authors (21 Dec 2019)

ED: Referee Nomination & Report Request started (03 Feb 2020) by Paola Formenti

RR by Anonymous Referee #2 (06 Feb 2020)

RR by Anonymous Referee #3 (03 Mar 2020)

ED: Publish as is (05 Mar 2020) by Paola Formenti

AR by Steven Abel on behalf of the Authors (05 Mar 2020) Author's response Manuscript

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Short summary

In situ measurements of a free-tropospheric (FT) biomass burning aerosol plume in contact with the boundary layer inversion overriding a pocket of open cells (POC) and surrounding stratiform cloud are presented. The data highlight the contrasting thermodynamic, aerosol and cloud properties in the two cloud regimes and further demonstrate that the cloud regime plays a key role in regulating the flow of FT aerosols into the boundary layer, which has implications for the aerosol indirect effect.