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Record #153267:

Monitoring of thermal contraction cracking at an ice wedge site, central Spitsbergen / Norikazu Matsuoka.

Title: Monitoring of thermal contraction cracking at an ice wedge site, central Spitsbergen / Norikazu Matsuoka.
Author(s): Matsuoka, Norikazu.
Date: 1999.
In: National Institute of Polar Research. Polar Geoscience. (1999.), Vol. 12 (1999)
Abstract: Thermal contraction cracking was monitored for two years in continuous permafrost region. Widening of trough was insignificant during warmer first winter, but several significant events happened during second, colder one. Maximum widening occurred in early Feb., during which creep accompanied cracking. Predicted maximum stresses at surface and at permafrost table were of same order as tensile strengths of typical frozen soils and polycrystalline ice.
Notes:

National Institute of Polar Research. Polar Geoscience. Vol. 12 :258-271 (1999).

Keywords: 551.34 -- Geocryology. Frozen ground.
B -- Geology and soil sciences.
(*3) -- Arctic regions.
(*32) -- Svalbard.
SPRI record no.: 153267

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245 10 ‡aMonitoring of thermal contraction cracking at an ice wedge site, central Spitsbergen /‡cNorikazu Matsuoka.
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500 ## ‡aNational Institute of Polar Research. Polar Geoscience. Vol. 12 :258-271 (1999).
520 3# ‡aThermal contraction cracking was monitored for two years in continuous permafrost region. Widening of trough was insignificant during warmer first winter, but several significant events happened during second, colder one. Maximum widening occurred in early Feb., during which creep accompanied cracking. Predicted maximum stresses at surface and at permafrost table were of same order as tensile strengths of typical frozen soils and polycrystalline ice.
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