Turobova Tatyana Alexandrovna RussiaArkhangelskNorthern (Arctic) Federal University named after M. V. Lomonosov, 17 Naberezhnaya Severnoy Dviny, Arkhangelsk 163002, Russiaturobova.t@edu.narfu.ru Author's articles On the migration of oil pollution in the active layer and the possibility of their penetration into permafrost