Half a century of discontinuous permafrost persistence and degradation in western Canada

• Published in: Permafrost and Periglacial Processes
• Main Authors: Holloway, Jean E., Lewkowicz, Antoni G.
• Other Authors: Government of Canada, Natural Sciences and Engineering Research Council of Canada, University of Ottawa, Royal Canadian Geographical Society, W. Garfield Weston Foundation
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2019
• Subjects: Northwest Territories; Canada; Hay River; Keg River; permafrost; Permafrost and Periglacial Processes
• Online Access: http://dx.doi.org/10.1002/ppp.2017; https://onlinelibrary.wiley.com/doi/pdf/10.1002/ppp.2017; https://onlinelibrary.wiley.com/doi/full-xml/10.1002/ppp.2017

Abstract Long‐term field studies of permafrost change are needed to validate predictive models but few are possible because of a paucity of direct observations prior to the late 1970s. To help fill this knowledge gap, we resurveyed a transect of 68 sites, originally investigated in 1962, to evaluate...