Thermal Contraction Cracks in an Arctic Tundra Environment

• Published in: ARCTIC
• Main Author: Kerfoot, Denis E.
• Format: Article in Journal/Newspaper
• Language: English
• Published: The Arctic Institute of North America 1972
• Subjects: Icebreaking; Ice pressure; Ice-structure interaction; Louis S. St. Laurent (Ship); Manhattan (Ship); Marine transportation; Pressure ridges; Sea ice; Winds; Baffin Bay-Davis Strait; Arctic; Baffin Bay; Mackenzie Delta; Baffin; Davis Strait; Tundra
• Online Access: https://journalhosting.ucalgary.ca/index.php/arctic/article/view/66005

Field observations in the Mackenzie Delta area largely substantiate Lachenbruch's theoretical considerations of thermal contraction crack development. Frost crack patterns, representing the incipient stage of tundra polygons, were observed on both bare and vegetated surfaces of low alluvial fla...