Articles | Volume 20, issue 1
Atmos. Chem. Phys., 20, 163–180, 2020
https://doi.org/10.5194/acp-20-163-2020
Atmos. Chem. Phys., 20, 163–180, 2020
https://doi.org/10.5194/acp-20-163-2020

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 et al.

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Latest update: 12 Apr 2021
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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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