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

• Published in: Permafrost and Periglacial Processes
• Main Authors: James G. Bockheim, Mark D. Kurz, S. Adam Soule, Andrea Burke
• Format: Article in Journal/Newspaper
• Language: unknown
• Subjects: Breaker; Beacon Valley; Antarc*; Antarctica; Ice; permafrost; wedge*
• Online Access: https://doi.org/10.1002/ppp.661

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 wedges from...