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Late Holocene ice wedges near Fairbanks, Alaska, USA: environmental setting and history of growth.

Arctic & Alpine Research

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Abstract

Test trenches excavated into muskeg near Fairbanks in 1969 exposed a polygonal network of active ice wedges. The history of ice-wedge growth shows that wedges can form and grow to more than 1m apparent width under mean annual temperatures that probably are close to those of the Fairbanks area today (-3.5oC) and under vegetation cover similar to that of the interior Alaskan boreal forest. The commonly held belief that ice wedges develop only below mean annual air temperatures of -6 to -8oC in the zone of continuous permafrost is invalid.-from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Late Holocene ice wedges near Fairbanks, Alaska, USA: environmental setting and history of growth.
Series title:
Arctic & Alpine Research
Volume
15
Issue:
2
Year Published:
1983
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Arctic & Alpine Research
First page:
157
Last page:
168
Number of Pages:
12