Articles | Volume 18, issue 3
Atmos. Chem. Phys., 18, 1593–1610, 2018
https://doi.org/10.5194/acp-18-1593-2018
Atmos. Chem. Phys., 18, 1593–1610, 2018
https://doi.org/10.5194/acp-18-1593-2018

Research article 05 Feb 2018

Research article | 05 Feb 2018

Initiation of secondary ice production in clouds

Sylvia C. Sullivan et al.

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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Athanasios Nenes on behalf of the Authors (19 Aug 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (22 Aug 2017) by Radovan Krejci
RR by Anonymous Referee #1 (22 Sep 2017)
ED: Reconsider after major revisions (25 Sep 2017) by Radovan Krejci
AR by Athanasios Nenes on behalf of the Authors (17 Nov 2017)  Author's response    Manuscript
ED: Publish as is (18 Dec 2017) by Radovan Krejci
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Short summary
Ice multiplication (IM) processes can have a profound impact on cloud and precipitation development but are poorly understood. Here we study whether a lower limit of ice nuclei exists to initiate IM. The lower limit is found to be extremely low (0.01 per liter or less). A counterintuitive but profound conclusion thus emerges: IM requires cloud formation around a thermodynamic sweet spot and is sensitive to fluctuations in cloud condensation nuclei concentration alone.
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