Distribution and circulation of radionuclides originating from fallout in a forest |
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| Authors: | S. Ko T. Aoki H. Ohnishi J. Takada Y. Katayama |
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| Affiliation: | (1) Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto, 606-8502, Japan;(2) Radioisotope Research Center, Kyoto University Sakyo, Kyoto, 606-8502, Japan;(3) Research Institute for Radiation Biology and Medicine, Kyoto University, Kumatori-cho, Osaka, 590-0451, Japan;(4) The University of Human Environments, Motojuku-cho, Okazaki, 444-3505, Japan |
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| Abstract: | Water, plant and soil samples from forested area were analyzed in order to study the behavior of radionuclides in the forest ecosystem. The concentration of 137Cs in the soil decreased with depth, while stable Cs and 40K were almost constant. It is suggested that most of the 137Cs once entered in the forest ecosystem is trapped in the upper part of the soil. |
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