Genesis of active sand‐filled polygons in lower and central Beacon Valley, Antarctica

• Published in: Permafrost and Periglacial Processes
• Main Authors: Bockheim, James G., Kurz, Mark D., Soule, S. Adam, Burke, Andrea
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2009
• Subjects: Beacon Valley; Breaker; Antarc*; Antarctica; Ice; permafrost; Permafrost and Periglacial Processes; wedge*
• Online Access: http://dx.doi.org/10.1002/ppp.661; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fppp.661; https://onlinelibrary.wiley.com/doi/pdf/10.1002/ppp.661

Abstract Nonsorted polygons with sand‐filled wedges were investigated in Beacon Valley, Antarctica (77.82°S, 160.67°E) using field observations coupled with 2‐m resolution aerial photography. A gasoline‐powered concrete breaker was employed to expose the sediments of four polygon centres and six wed...