Sources of inflow and nature of redistribution of Sr in the salt lakes of the Crimea.

J Environ Radioact

FSBIS Institute of Marine Biological Research named A.O. Kovalevsky, Russian Academy of Sciences (FSBIS IMBR RAS), 2 Nakhimov Avenue, Sevastopol 299011, Crimea, Russian Federation.

Published: August 2018

At the first time for the period after the Chernobyl NPP accident the nature of the redistribution of the Sr concentrations in components of the ecosystems of the salt lakes of the Crimea were identified and described. Concentration of Sr in water of the salt lakes depends on the sources of the inflow this radionuclide into aquatic ecosystems and salinity level of lakes water. Until April 2014 the flow of the Dnieper river water through the Northern-Crimean canal was more important factor of contamination of salt lakes of the Crimea by Sr, than atmospheric fallout of this radionuclide after the Chernobyl NPP accident. Concentrations of Sr in water of the salt lakes of the Crimea exceeded 2.4-156.5 times its concentrations in their bottom sediments. The Sr dose commitments to hydrophytes, which were sampled from the salt lakes of the Crimea have not reached values which could impact them during entire the after-accident period.

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http://dx.doi.org/10.1016/j.jenvrad.2017.10.018DOI Listing

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