Articles | Volume 11, issue 3
https://doi.org/10.5194/tc-11-1351-2017
https://doi.org/10.5194/tc-11-1351-2017
Research article
 | 
09 Jun 2017
Research article |  | 09 Jun 2017

Wind-driven snow conditions control the occurrence of contemporary marginal mountain permafrost in the Chic-Choc Mountains, south-eastern Canada: a case study from Mont Jacques-Cartier

Gautier Davesne, Daniel Fortier, Florent Domine, and James T. Gray

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Cited articles

Abramov, A., Grüber, S., and Gilichinsky, D.: Mountain permafrost on active volcanoes: field data and statistical mapping, Klyuchevskaya volcano group, Kamchatka, Russia, Permafrost Periglac., 19, 261–277, https://doi.org/10.1002/ppp.622, 2008.
Apaloo, J., Brenning, A., and Bodin, X.: Interactions between seasonal snow cover, ground surface temperature and topography (Andes of Santiago, Chile, 33.5 S), Permafrost Periglac., 23, 277–291, https://doi.org/10.1002/ppp.1753, 2012.
Ardelean, A. C., Onaca, A. L., Urdea, P., Şerban, R. D., and Sîrbu, F.: A first estimate of permafrost distribution from BTS measurements in the Romanian Carpathians (Retezat Mountains), Géomorphologie: relief, processus, environnement, 21, 297–312, 2015.
Bédard, J., Yu, W., Gagnon, Y., and Masson, C.: Development of a geophysic model output statistics module for improving short-term numerical wind predictions over complex sites, Wind Energy, 16, 1131–1147, https://doi.org/10.1002/we.1538, 2013.
Brown, R. J.: Permafrost distribution in the southern part of the discontinuous zone in Quebec and Labrador, Géogr. Phys. Quatern., 33, 279–289, 1979.
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Short summary
This study presents data from Mont Jacques-Cartier, the highest summit in the Appalachians of south-eastern Canada, to demonstrate that the occurrence of contemporary permafrost body is associated with a very thin and wind-packed winter snow cover which brings local azonal topo-climatic conditions on the dome-shaped summit. This study is an important preliminary step in modelling the regional spatial distribution of permafrost on the highest summits in eastern North America.