Abstract

The data on cryogenic deformation rates of a surface of the Kolyma River terrace under various frost- climatic and technogenic conditions are given. The mathematical model of cryogenic morphogenesis under the impact of the technogenic factors and climatic changes is offered. A man-induced component of the cryogenic deformations of a terrace surface may exceed natural component by 7-20 times under the strong external influences on a frozen ground. Thus rate of local destruction of frozen deposits with macro-ice content 20-40% may reach 15-24 m/year.

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