Deep-water profiling of super(137)Cs and super(90)Sr in the Black Sea: a further insight into dynamics of the post-Chernobyl radioactive contamination

The first post-Chernobyl measurements of vertical distribution of super(137)Cs in the abyssal Black Sea waters have been conducted in the vicinity of submarine canyon Viteaz together with profiling of super(90)Sr. This allowed showing an increase in super(137)Cs concentration and the low super(90)Sr...

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Published inJournal of radioanalytical and nuclear chemistry Vol. 304; no. 2; pp. 779 - 783
Main Authors Gulin, Sergei B, Egorov, Victor N, Duka, Maxim S, Sidorov, Ilya G, Proskurnin, Vladislav Yu, Mirzoyeva, Nataliya Yu, Bey, Oksana N, Gulina, Larisa V
Format Journal Article
LanguageEnglish
Published 01.05.2015
Subjects
Abyssal zones
Black Sea
Canyons
Mathematical analysis
Nuclear chemistry
Profiling
Stockpiling
Water depth
MED, Black Sea
Ukraine, Chernobyl
Europe, Danube R
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Summary:The first post-Chernobyl measurements of vertical distribution of super(137)Cs in the abyssal Black Sea waters have been conducted in the vicinity of submarine canyon Viteaz together with profiling of super(90)Sr. This allowed showing an increase in super(137)Cs concentration and the low super(90)Sr/ super(137)Cs activity ratio ( approximately 0.2) at 1,000 m water depth, suggesting the long-distance influence of the Danube River runoff through the Viteaz Canyon. Calculation of inventories of super(90)Sr and super(137)Cs in oxic and anoxic Black Sea waters and their comparison with the total input of these radionuclides to the Black Sea after the Chernobyl accident have revealed considerable accumulation of them in the deep water column.
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ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-014-3848-9