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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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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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ACP | 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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Latest update: 16 Jan 2021
Publications Copernicus
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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.
Citation
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Final-revised paper
Preprint