Articles | Volume 10, issue 9
https://doi.org/10.5194/gmd-10-3461-2017
https://doi.org/10.5194/gmd-10-3461-2017
Model evaluation paper
 | 
21 Sep 2017
Model evaluation paper |  | 21 Sep 2017

Evaluating the performance of coupled snow–soil models in SURFEXv8 to simulate the permafrost thermal regime at a high Arctic site

Mathieu Barrere, Florent Domine, Bertrand Decharme, Samuel Morin, Vincent Vionnet, and Matthieu Lafaysse

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Cited articles

ADAPT 2014: Carbon, nitrogen and water content of the active layer from sites across the Canadian Arctic, v. 1.0, Nordicana D20, https://doi.org/10.5885/45327AD-5245D08606AB4F52, 2014.
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Barrere, M. and Domine, F.: Snow, soil and meteorological data at Bylot Island for simulating the permafrost thermal regime and evaluating output of the SURFEXv8 land surface scheme, v. 1.0 (1979–2015),Nordicana D29, https://doi.org/10.5885/45460CE-9B80A99D55F94D95, 2017.
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Beringer, J., Lynch, A. H., Chapin, F. S. I., Mack, M., and Bonan, G. B.: The representation of arctic soils in the land surface model: The importance of mosses, J. Climate, 14, 3324–3335, https://doi.org/10.1175/1520-0442(2001)014<3324:TROASI>2.0.CO;2, 2001.
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Short summary
Global warming projections still suffer from a limited representation of the permafrost–carbon feedback. This study assesses the capacity of snow-soil coupled models to simulate the permafrost thermal regime at Bylot Island, a high Arctic site. Significant flaws are found in the description of Arctic snow properties, resulting in erroneous heat transfers between the soil and the snow in simulations. Improved snow schemes are needed to accurately predict the future of permafrost.