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DISTRIBUTION PERMAFROST [1 record]
Record 1 - internal organization data 2011-12-12
Record 1, English
Record 1, Subject field(s)
- Glaciology
- Polar Geography
Record 1, Main entry term, English
- permafrost distribution
1, record 1, English, permafrost%20distribution
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- distribution of permafrost 2, record 1, English, distribution%20of%20permafrost
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Distribution of Permafrost.- Permafrost underlies more than 50% of the ground surface of Canada. The two major divisions of permafrost are continuous permafrost and discontinuous permafrost. In the continuous permafrost zone, permafrost occurs everywhere beneath the ground surface except large bodies of water. In the far north, it may be more than 500 m thick. The discontinuous permafrost zone is broken into two other divisions: the widespread permafrost zone, where permafrost underlies 50-90% of the land area, and the sporadic permafrost zone, where it occurs mostly inpeatlands and underlies 10-50% of the land area. 3, record 1, English, - permafrost%20distribution
Record number: 1, Textual support number: 2 CONT
The total annual freezing index has been used to predict permafrost distribution, and the design freezing index is commonly used in engineering to estimate the maximum thickness of lake ice and the maximum depth of frost penetration in the ground. 1, record 1, English, - permafrost%20distribution
Record 1, French
Record 1, Domaine(s)
- Glaciologie
- Géographie du froid
Record 1, Main entry term, French
- distribution du pergélisol
1, record 1, French, distribution%20du%20perg%C3%A9lisol
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- répartition du pergélisol 1, record 1, French, r%C3%A9partition%20du%20perg%C3%A9lisol
correct, feminine noun
- distribution des pergélisols 2, record 1, French, distribution%20des%20perg%C3%A9lisols
correct, feminine noun
- répartition des pergélisols 3, record 1, French, r%C3%A9partition%20des%20perg%C3%A9lisols
correct, feminine noun
- répartition du permafrost 4, record 1, French, r%C3%A9partition%20du%20permafrost
feminine noun
- distribution du permafrost 5, record 1, French, distribution%20du%20permafrost
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Distribution du pergélisol.- Le pergélisol est sous-jacent à plus de 50 % de la surface du Canada. Les deux types principaux de pergélisol sont le pergélisol continu et le pergélisol discontinu. Dans la zone à pergélisol continu, le pergélisol est présent partout sous la surface du sol, à l'exception des grandes étendues d'eau. Dans le Grand Nord il atteint plus de 500 m d'épaisseur. La zone à pergélisol discontinu comporte deux sous-divisions : la zone à pergélisol étendu, où le pergélisol est sous-jacent à 50-90 % de la surface, et la zone à pergélisol sporadique, où il est présent surtout sous les tourbières et est sous-jacent à 10-50 % de la surface. 1, record 1, French, - distribution%20du%20perg%C3%A9lisol
Record 1, Spanish
Record 1, Textual support, Spanish
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