Comparison of permafrost conditions in Canada and the USSR

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 mounta...

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Bibliographic Details
Published in:Polar Record
Main Author: Brown, R. J. E.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1967
Subjects:
General Earth and Planetary Sciences
Ecology
Geography, Planning and Development
Canada
permafrost
Polar Record
James Bay
Online Access:http://dx.doi.org/10.1017/s0032247400058411
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0032247400058411
Description
Summary: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).

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