Author(s): D. I. Gudkov; V. V. Derevets; S. I. Kireev; A. B. Nazarov
Linked Author(s):
Keywords: Chernobyl NPP exclusion zone; Radioactive contamination; Dams; Flood lands; The Pripyat River
Abstract: The contaminated territories of the Chernobyl NPP exclusion zone are still a source of radionuclide flow into main waterway of Ukraine – Dnieper River. As a result of radioecological studies the important results are received which allowed to determine the most significant sources of radionuclide contamination of Pripyat River; to estimate the migration of radioactive substances beyond the bounds of the Chernobyl NPP exclusion zone; to develop and to introduce measures on minimisation of such migration. The analysis of operation of water-protection complexes and radiation condition of water objects within exclusion zone during postaccident period shows that a priority direction at realization of water-protection measures should be building of new dams, which protect the most contaminated territory from flooding and radionuclide flow into the river systems. To the basic tasks on radionuclides flow minimisation beyond the bounds of the Chernobyl NPP exclusion zone for the nearest period it is necessary to include the solution of a problem of increased radionuclide flow from the territory of left-bank flood-lands of Pripyat River due to over-wetting of these territories in connection with change of a mode of the flow natural formation as well as construction of water-protection complex on the right-bank flood lands of the Pripyat River.
Year: 2005