CANADIAN LANDFORM EXAMPLES ‐ 17 RETROGRESSIVE THAW SLUMPS

• Published in: The Canadian Geographer/Le Géographe canadien
• Main Authors: Burn, C. (Christopher R.), Lewkowicz, A.G. (A. G.)
• Format: Article in Journal/Newspaper
• Language: English
• Published: 1990
• Subjects: Arctic; Mackay; Norman Wells; Ice; permafrost
• Online Access: https://ir.library.carleton.ca/pub/22847; https://doi.org/10.1111/j.1541-0064.1990.tb01092.x

Retrogressive thaw slumps are the most active geomor‐phic features of permafrost terrain (NRC 1988). Also called ground‐ice slumps (Mackay 1966), they consist of a layer of ice‐poor overburden, an ice‐rich face and a low‐angle mudflow downslope (figures 1 and 2). They are common along northern river...