Short-lived ²²⁴Ra and ²²³Ra isotopes in the Anadyr River–Bering Sea system

A. N. Charkin, O. V. Dudarev, A. N. Salyuk, N. E. Shakhova, V. I. Sergienko, I. P. Semiletov

Arctic Seas Carbon Research Internatonal Lab

Research output: Contribution to journal › Article

Abstract

The first results of activity measurement of short-lived radium isotopes dissolved in water in the Anadyr River–Bering Sea transit system are presented. The trends of the radionuclide behavior after passage through high-gradient river–coastal sea water mixing zone were identified and the exchange rate of the horizontal mixing was determined. The ²²⁴Ra/²²³Ra activity ratio was used to construct the “radium age” model, which served for estimating the residence time of brackish water in the Anadyr River estuary. The factors affecting this value were elucidated.

Original language	English
Pages (from-to)	211-214
Number of pages	4
Journal	Doklady Chemistry
Volume	476
Issue number	1
DOIs	https://doi.org/10.1134/S0012500817090026
Publication status	Published - 1 Sep 2017

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ASJC Scopus subject areas

Chemistry(all)

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Charkin, A. N., Dudarev, O. V., Salyuk, A. N., Shakhova, N. E., Sergienko, V. I., & Semiletov, I. P. (2017). Short-lived ²²⁴Ra and ²²³Ra isotopes in the Anadyr River–Bering Sea system. Doklady Chemistry, 476(1), 211-214. https://doi.org/10.1134/S0012500817090026

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AU - Salyuk, A. N.

AU - Shakhova, N. E.

AU - Sergienko, V. I.

AU - Semiletov, I. P.

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AB - The first results of activity measurement of short-lived radium isotopes dissolved in water in the Anadyr River–Bering Sea transit system are presented. The trends of the radionuclide behavior after passage through high-gradient river–coastal sea water mixing zone were identified and the exchange rate of the horizontal mixing was determined. The 224Ra/223Ra activity ratio was used to construct the “radium age” model, which served for estimating the residence time of brackish water in the Anadyr River estuary. The factors affecting this value were elucidated.

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10.1134/S0012500817090026