Discussions on the driving mechanism of postdepositional
WEBA core of bottom sediments from Lake Krugloe loed within the 30 km influence zone of the Siberian Chemical Plant (loed in the city of Seversk "Tomsk7") was studied to determine scales and rates of migration of artificial radionuclides 137 Cs and 241 Am in organomineral sediment. It was found that the main portion of 137 Cs and 241 Am was .