Articles | Volume 15, issue 6
The Cryosphere, 15, 2739–2755, 2021
https://doi.org/10.5194/tc-15-2739-2021
The Cryosphere, 15, 2739–2755, 2021
https://doi.org/10.5194/tc-15-2739-2021

Research article 18 Jun 2021

Research article | 18 Jun 2021

Impact of water vapor diffusion and latent heat on the effective thermal conductivity of snow

Kévin Fourteau et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (06 Apr 2021) by Carrie Vuyovich
AR by Kevin Fourteau on behalf of the Authors (08 Apr 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (22 Apr 2021) by Carrie Vuyovich
RR by Anonymous Referee #1 (10 May 2021)
ED: Publish as is (26 May 2021) by Carrie Vuyovich
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Short summary
The thermal conductivity of snow is an important physical property governing the thermal regime of a snowpack and its substrate. We show that it strongly depends on the kinetics of water vapor sublimation and that previous experimental data suggest a rather fast kinetics. In such a case, neglecting water vapor leads to an underestimation of thermal conductivity by up to 50 % for light snow. Moreover, the diffusivity of water vapor in snow is then directly related to the thermal conductivity.