Articles | Volume 18, issue 12
https://doi.org/10.5194/tc-18-5685-2024
https://doi.org/10.5194/tc-18-5685-2024
Research article
 | 
06 Dec 2024
Research article |  | 06 Dec 2024

Multi-physics ensemble modelling of Arctic tundra snowpack properties

Georgina J. Woolley, Nick Rutter, Leanne Wake, Vincent Vionnet, Chris Derksen, Richard Essery, Philip Marsh, Rosamond Tutton, Branden Walker, Matthieu Lafaysse, and David Pritchard

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Cited articles

Anderson, E. A.: A point energy and mass balance model of a snow cover, National Oceanic and Atmospheric Administration, NOAA technical report NWS, 19, Maryland, USA, https://repository.library.noaa.gov/view/noaa/6392 (last access: October 2023), 1976. 
Appel, F., Koch, F., Rösel, A., Klug, P., Henkel, P., Lamm, M., Mauser, W., and Bach, H.: Advances in Snow Hydrology Using a Combined Approach of GNSS In Situ Stations, Hydrological Modelling and Earth Observation – A Case Study in Canada, Geosciences, 9, 44, https://doi.org/10.3390/geosciences9010044, 2019. 
Barrere, M., Domine, F., Decharme, B., Morin, S., Vionnet, V., and Lafaysse, M.: Evaluating the performance of coupled snow–soil models in SURFEXv8 to simulate the permafrost thermal regime at a high Arctic site, Geosci. Model Dev., 10, 3461–3479, https://doi.org/10.5194/gmd-10-3461-2017, 2017. 
Bartelt, P. and Lehning, M.: A physical SNOWPACK mdoel for the Swiss avalanche warning Part I: numerical model, Cold Reg. Sci. Technol., 35, 123–145, 2002. 
Berteaux, D., Gauthier, G., Domine, F., Ims, R. A., Lamoureux, S. F., Lévesque, E., and Yoccoz, N.: Effects of changing permafrost and snow conditions on tundra wildlife: critical places and times, Arct. Sci., 3, 65–90, https://doi.org/10.1139/as-2016-0023, 2017. 
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Short summary
Parameterisations of Arctic snow processes were implemented into the multi-physics ensemble version of the snow model Crocus (embedded within the Soil, Vegetation, and Snow version 2 land surface model) and evaluated at an Arctic tundra site. Optimal combinations of parameterisations that improved the simulation of density and specific surface area featured modifications that raise wind speeds to increase compaction in surface layers, prevent snowdrift, and increase viscosity in basal layers.
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