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本文提出了厚层地下冰是由重复分凝作用形成的新见解。它与下列作用有关:(1)由多年冻土自下而上冻结时,水分向冻结锋面处迁移和成冰;(2)未冻水的不等量迁移规律(冷季活动层中未冻水的向上迁移;自下而上冻结时,冻结锋面后方冻土中的水分迁移和成冰;暖季融化界面下仍然冻结的土中水分迁移和成冰等作用的联合效应);(3)冰的自净;(4)地表加积造成的地下冰的共生生长;(5)上述作用年复一年地重复。据此,确立了一种新的地下冰类型——重复分凝冰。
This paper presents a new insight into the formation of thick ice under the action of repeated condensation. It is related to the following actions: (1) Water migration from the permafrost to the freezing front and ice formation when frozen from the bottom up; (2) Unbalanced migration of unfrozen water The upward migration of water, the combined effect of moisture migration and ice formation in the frozen ground behind the frontal fronts, the combined effects of water migration and ice formation in the frozen soil that remains frozen during the warm-season melt) Ice self-purification; (4) the symbiotic growth of underground ice caused by surface accretion; and (5) the above-mentioned effects are repeated year after year. As a result, a new type of underground ice has been established - repeated sub-condensate ice.