On the drivers of droplet variability in alpine mixed-phase clouds

Georgakaki, Paraskevi; Bougiatioti, Aikaterini; Wieder, Jörg; Mignani, Claudia; Ramelli, Fabiola; Kanji, Zamin A.; Henneberger, Jan; Hervo, Maxime; Berne, Alexis; Lohmann, Ulrike; Nenes, Athanasios

doi:https://doi.org/10.5194/acp-21-10993-2021

Articles | Volume 21, issue 14

https://doi.org/10.5194/acp-21-10993-2021

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

https://doi.org/10.5194/acp-21-10993-2021

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

Articles | Volume 21, issue 14

Research article

|

20 Jul 2021

Research article |

| 20 Jul 2021

On the drivers of droplet variability in alpine mixed-phase clouds

Paraskevi Georgakaki, Aikaterini Bougiatioti, Jörg Wieder, Claudia Mignani, Fabiola Ramelli, Zamin A. Kanji, Jan Henneberger, Maxime Hervo, Alexis Berne, Ulrike Lohmann, and Athanasios Nenes

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Final revised paper (published on 20 Jul 2021)
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Preprint (discussion started on 30 Nov 2020)
Supplement to the preprint

Interactive discussion

Status: closed

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

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RC1: 'Comments on “On the drivers of droplet variability in Alpine mixed-phase clouds” by Georgakaki et al.', Anonymous Referee #1, 27 Dec 2020
- AC1: 'Replies to Reviewer 1 comments.', Athanasios Nenes, 09 Mar 2021
RC2: 'Critique on “On the drivers of droplet variability in …” by Georgakaki et al., submitted to ACP, November 2020', Jefferson Snider, 29 Dec 2020
- AC2: 'Response to critique by J.Snider', Athanasios Nenes, 09 Mar 2021

Peer-review completion

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

AR by Athanasios Nenes on behalf of the Authors (14 Mar 2021) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (31 Mar 2021) by Xiaohong Liu

RR by Anonymous Referee #1 (11 Apr 2021)

RR by Jefferson Snider (14 Apr 2021)

ED: Publish subject to minor revisions (review by editor) (05 May 2021) by Xiaohong Liu

AR by Athanasios Nenes on behalf of the Authors (10 May 2021) Author's response Author's tracked changes Manuscript

ED: Publish as is (23 May 2021) by Xiaohong Liu

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Short summary

Aerosol and cloud observations coupled with a droplet activation parameterization was used to investigate the aerosol–cloud droplet link in alpine mixed-phase clouds. Predicted droplet number, N_d, agrees with observations and never exceeds a characteristic “limiting droplet number”, N_d^lim, which depends solely on σ_w. N_d becomes velocity limited when it is within 50 % of N_d^lim. Identifying when dynamical changes control N_d variability is central for understanding aerosol–cloud interactions.