Cavity development in ice‐rich permafrost, Pangnirtung, Baffin Island, northwest territories

• Published in: Permafrost and Periglacial Processes
• Main Author: Hyatt, James A.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 1992
• Subjects: Baffin Island; Northwest Territories; Pangnirtung; Baffin; Ice; permafrost; Permafrost and Periglacial Processes
• Online Access: http://dx.doi.org/10.1002/ppp.3430030404; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fppp.3430030404; https://onlinelibrary.wiley.com/doi/pdf/10.1002/ppp.3430030404

Abstract Cavity development in ice‐rich permafrost at Pangnirtung followed a large rainstorm and runoff event in 1984. The cavities evolved along permeable zones in sediments containing segregated ice lenses. Cavities promoted subsurface flow and incremental collapse of the ground surface. Once form...