The thermal regime of a permafrost body at Mont du Lac des Cygnes, Quebec
- 1 May 1990
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Earth Sciences
- Vol. 27 (5) , 694-697
- https://doi.org/10.1139/e90-067
Abstract
A low peat plateau in the alpine forest–tundra at Mont du Lac des Cygnes, 100 km northeast of Québec City, contains a permafrost body 2 m thick. At an elevation of 960 m, this is the southernmost known occurrence of alpine permafrost in eastern Canada. The terrain over the permafrost is windblown and bears a very thin and discontinuous snow cover. One year of continuous temperature records indicates that the mean annual air temperature at this site is about −1.3 °C. The permafrost remains at temperatures very near the freezing point for most of the year.Keywords
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