Articles | Volume 19, issue 1
Atmos. Chem. Phys., 19, 639–648, 2019
https://doi.org/10.5194/acp-19-639-2019

Special issue: Particle-based methods for simulating atmospheric aerosol...

Atmos. Chem. Phys., 19, 639–648, 2019
https://doi.org/10.5194/acp-19-639-2019

Research article 17 Jan 2019

Research article | 17 Jan 2019

Cloud-droplet growth due to supersaturation fluctuations in stratiform clouds

Xiang-Yu Li et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Xiang-Yu Li on behalf of the Authors (04 Nov 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (09 Nov 2018) by Ryan Sullivan
RR by Anonymous Referee #1 (19 Nov 2018)
RR by Anonymous Referee #2 (04 Dec 2018)
ED: Publish subject to minor revisions (review by editor) (10 Dec 2018) by Ryan Sullivan
AR by Xiang-Yu Li on behalf of the Authors (13 Dec 2018)  Author's response    Manuscript
ED: Publish as is (15 Dec 2018) by Ryan Sullivan
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Short summary
The broadening of droplet size distributions in stratiform clouds, where the updraft velocity is almost zero, is puzzling. Without turbulence, the classical treatment of condensational growth of cloud droplets fails to explain this broadening. We investigated the time evolution of droplet size distributions using direct numerical simulations, where turbulence is resolved into the smallest scales. We found that the broadening is due to the turbulence-facilitated supersaturation fluctuations.
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