Natural Radionuclides 238U, 226Ra, and 222Rn in the Surface Water of the El’konskii Uranium Ore Region, Southern Yakutia


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Abstract

Surface water chemistry and content of radionuclides 238U, 226Ra, and 222Rn were studied in both natural and technogenic landscapes of Southern Yakutia. The technogenically disturbed landscapes of the El’konskii Uranium Ore Region showed intense migration of these radionuclides in water from dumps of radioactive rocks that had formed during large-scale exploration works for radioactive ore in the late XX century. A dispersion halo of 238U and 226Ra in water was detected in groundwater over a distance of more than 2 km downstream of the radioactive pollution sources.

About the authors

A. P. Chevychelov

Institute of Biological Problems of Cryolithozone, Siberian Branch, Russian Academy of Sciences

Author for correspondence.
Email: chev.soil@list.ru
Russian Federation, Yakutsk, 677980

P. I. Sobakin

Institute of Biological Problems of Cryolithozone, Siberian Branch, Russian Academy of Sciences

Email: chev.soil@list.ru
Russian Federation, Yakutsk, 677980

L. I. Kuznetsova

Institute of Biological Problems of Cryolithozone, Siberian Branch, Russian Academy of Sciences

Email: chev.soil@list.ru
Russian Federation, Yakutsk, 677980

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