The Cryosphere
The Cryosphere
TC
Articles | Volume 15, issue 1
Articles | Volume 15, issue 1
https://doi.org/10.5194/tc-15-389-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-389-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 1
Research article
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28 Jan 2021
Research article | Highlight paper |  | 28 Jan 2021

Macroscopic water vapor diffusion is not enhanced in snow

Kévin Fourteau, Florent Domine, and Pascal Hagenmuller

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Latest update: 13 Dec 2024
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Short summary
There has been a long controversy to determine whether the effective diffusion coefficient of water vapor in snow is superior to that in free air. Using theory and numerical modeling, we show that while water vapor diffuses more than inert gases thanks to its interaction with the ice, the effective diffusion coefficient of water vapor in snow remains inferior to that in free air. This suggests that other transport mechanisms are responsible for the large vapor fluxes observed in some snowpacks.
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