Near-Surface Ground Ice Conditions In University Valley, McMurdo Dry Valleys of Antarctica.

• Main Author: Lapalme, Caitlin
• Format: Thesis
• Language: English
• Published: Université d'Ottawa / University of Ottawa 2015
• Subjects: Permafrost; Ground ice; Polygon; Cryostructure; McMurdo Dry Valleys; Antarctica; CT scan; University Valley; Antarc*; Ice; permafrost; wedge*
• Online Access: https://dx.doi.org/10.20381/ruor-4015; http://www.ruor.uottawa.ca/handle/10393/33412

This study aims to quantify ground ice content and describe the cryostructures and sediment in 15 ice-bearing permafrost cores collected from nine sand-wedge polygons in University Valley. The objectives were reached through laboratory measurements and computed tomodensitometric (CT) scanned image a...