Articles | Volume 15, issue 2
https://doi.org/10.5194/tc-15-615-2021
https://doi.org/10.5194/tc-15-615-2021
Research article
 | 
09 Feb 2021
Research article |  | 09 Feb 2021

Fractional snow-covered area: scale-independent peak of winter parameterization

Nora Helbig, Yves Bühler, Lucie Eberhard, César Deschamps-Berger, Simon Gascoin, Marie Dumont, Jesus Revuelto, Jeff S. Deems, and Tobias Jonas

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Latest update: 20 Nov 2024
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Short summary
The spatial variability in snow depth in mountains is driven by interactions between topography, wind, precipitation and radiation. In applications such as weather, climate and hydrological predictions, this is accounted for by the fractional snow-covered area describing the fraction of the ground surface covered by snow. We developed a new description for model grid cell sizes larger than 200 m. An evaluation suggests that the description performs similarly well in most geographical regions.