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Determination of137Cs,90Sr and fallout Pu in the volcanic soil of Korea

  • Environmental Assay: Environmental Radioactivity
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Abstract

The cumulative depositions of137Cs,90Sr and fallout Pu in the volcanic ash soil of Korea were determined. The average accumulated depositions of137Cs,90Sr and fallout Pu in the volcanic soil were much higher than those in other forest sites of Korea. From depth profiles, it was found that137Cs,90Sr and239,240Pu in the volcanic soil are more mobile than those in other forest sites of Korea, and that the downward movement of90Sr is faster than137Cs and239,240Pu. A significant correlation was found between the concentration of137Cs and those of90Sr and239,240Pu. The activity ratios of238Pu/239,240Pu and241Pu/239,240Pu in soils are close to those observed in the cumulative deposit from the global fallout of nuclear weapon testings.

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Authors and Affiliations

  1. Environmental Radiation Assessment Division, Korea Atomic Energy Research Institute, Yusung, P.O. Box 105, Taejeon, Korea

    M. H. Lee & C. W. Lee

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  1. M. H. Lee
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  2. C. W. Lee
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Lee, M.H., Lee, C.W. Determination of137Cs,90Sr and fallout Pu in the volcanic soil of Korea. J Radioanal Nucl Chem 239, 471–476 (1999). https://doi.org/10.1007/BF02349053

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  • DOI: https://doi.org/10.1007/BF02349053

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