CANADIAN LANDFORM EXAMPLES ‐ 17 RETROGRESSIVE THAW SLUMPS

• Published in: Canadian Geographies / Géographies canadiennes
• Main Authors: Burn, C.R., Lewkowicz, A.G.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 1990
• Subjects: Arctic; Mackay; Norman Wells; Ice; permafrost
• Online Access: http://dx.doi.org/10.1111/j.1541-0064.1990.tb01092.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1541-0064.1990.tb01092.x; https://onlinelibrary.wiley.com/doi/pdf/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...