The Cryosphere
The Cryosphere
TC
Articles | Volume 10, issue 6
Articles | Volume 10, issue 6
https://doi.org/10.5194/tc-10-2573-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-10-2573-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 6
Research article
 | Highlight paper
 | 
02 Nov 2016
Research article | Highlight paper |  | 02 Nov 2016

Seasonal evolution of the effective thermal conductivity of the snow and the soil in high Arctic herb tundra at Bylot Island, Canada

Florent Domine, Mathieu Barrere, and Denis Sarrazin

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Short summary
The thermal conductivity (TC) of the snow and top soil greatly impacts the permafrost energy budget. We report the first winter-long monitoring of snow and soil TC in the high Arctic. The data and field observations show the formation of a highly insulating basal depth hoar layer overlaid by a more conductive wind slab. Detailed snow physics models developed for alpine snow cannot reproduce observations because they neglect the strong upward vertical water vapor flux prevailing in Arctic snow.
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