Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 20, issue 1
Articles | Volume 20, issue 1
https://doi.org/10.5194/acp-20-163-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-163-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 1
Research article
 | 
06 Jan 2020
Research article |  | 06 Jan 2020

Spatial and temporal variability in the ice-nucleating ability of alpine snowmelt and extension to frozen cloud fraction

Killian P. Brennan, Robert O. David, and Nadine Borduas-Dedekind

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Latest update: 25 Jul 2025
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Short summary
To contribute to our understanding of the liquid water-to-ice ratio in mixed-phase clouds, this study provides a spatial and temporal dataset of ice-nucleating particle (INP) concentrations in meltwater of 88 snow samples across 17 locations in the Swiss Alps. The impact of altitude, terrain, time since last snowfall and depth on freezing temperatures was also investigated. The measured INP concentrations provide an estimate of cloud glaciation temperatures important for cloud lifetime.
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