Articles | Volume 23, issue 3
https://doi.org/10.5194/acp-23-2035-2023
https://doi.org/10.5194/acp-23-2035-2023
Research article
 | 
08 Feb 2023
Research article |  | 08 Feb 2023

Impact of formulations of the homogeneous nucleation rate on ice nucleation events in cirrus

Peter Spichtinger, Patrik Marschalik, and Manuel Baumgartner

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Latest update: 19 Apr 2024
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Short summary
We investigate the impact of the homogeneous nucleation rate on nucleation events in cirrus. As long as the slope of the rate is represented sufficiently well, the resulting ice crystal number concentrations are not crucially affected. Even a change in the prefactor over orders of magnitude does not change the results. However, the maximum supersaturation during nucleation events shows strong changes. This quantity should be used for diagnostics instead of the popular nucleation threshold.
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