Evidence for a cyclic variation of permafrost temperatures in northern alaska

• Published in: Permafrost and Periglacial Processes
• Main Authors: T. E. Osterkamp, T. Zhang, V. E. Romanovsky
• Format: Article in Journal/Newspaper
• Language: unknown
• Subjects: Mer de Beaufort; Barrow; Beaufort Sea; Ice; permafrost; Prudhoe Bay; Sea ice; Alaska; pergélisol
• Online Access: https://doi.org/10.1002/ppp.3430050303

Observations of permafrost temperatures in shallow drill holes in northern Alaska near the Beaufort Sea coast show that these temperatures have cycled during the decade from 1983 to 1993. The two sites nearest the coast indicate a period of about 10 years and an amplitude at the permafrost surface o...