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Comparison of permafrost conditions in Canada and the USSR*

Published online by Cambridge University Press:  27 October 2009

R. J. E. Brown
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Extract

Canada and the USSR together possess most of the territory in the Northern Hemisphere underlain by permafrost or perennially frozen ground. As about one half of the land area of each country is affected, the permafrost region of the Soviet Union is 2½ times larger than that of Canada. Outside mountainous regions, permafrost extends southward in Canada to the southern tip of James Bay at lat 51° N (Brown, in press). Permafrost extends farther south in eastern Asia, however, and occurs in Outer Mongolia and Manchuria to about lat 47° N Fig 1) (Baranov, 1959; Nekrasov, 1962).

Type
Articles
Information
Polar Record , Volume 13 , Issue 87 , September 1967 , pp. 741 - 751
Copyright
Copyright © Cambridge University Press 1967

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