On the migration of oil pollution in the active layer and the possibility of their penetration into permafrost
Based on the review of the published data, the article analyzes the study of the problem of oil pollution migration in the upper part of the geological environment in the conditions of the Far North, where the movement of oil pollution occurs mainly in the layer of seasonal freezing and thawing of the cryolithozone. The factors influencing the spreadability and transport of oil, including the focus on the processes of formation of possible migration routes into frozen rocks are considered. It was concluded that the processes of thawing and freezing of the active layer due to the displacement of oil from the freezing zone into the thawing zone have the biggest impact on the nature and distribution of oil pollution. The conclusion is made about the possibility of penetration of oil pollution from the contaminated active layer into the underlying permafrost.
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