Deep‐seated creep of massive ground ice, Tuktoyaktuk, NWT, Canada

S. R. Dallimore, F. M. Nixon, P. A. Egginton and J. G. Bisson

Permafrost and Periglacial Processes, 1996, vol. 7, issue 4, 337-347

Abstract: A study of the in situ creep deformation of massive ground ice has been carried out at a field site near the village of Tuktoyaktuk, NWT. Cumulative surface displacements, accounted for by creep deformation to a depth of 25 m, vary from about 3 mm/a at the upslope site to 4 mm/a at the downslope site. While net displacements on a year to year basis were downslope, the creep pattern at both sites displays a quasi‐sinusoidal fluctuation, with significant seasonal upslope movement during the late winter and early summer. This fluctuation is thought to be due to the effects of thermal contraction. © 1996 John Wiley & Sons, Ltd.

Date: 1996
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https://doi.org/10.1002/(SICI)1099-1530(199610)7:43.0.CO;2-3

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Persistent link: https://EconPapers.repec.org/RePEc:wly:perpro:v:7:y:1996:i:4:p:337-347

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