Open AccessDispersion of Cs-134 and Cs-137 in river waters from Fukushima and Gunma prefectures at nine months after the Fukushima Daiichi NPP accident
Author(s) -
Seiya Nagao,
Masaki Kanamori,
Shinya Ochiai,
Kyuma Suzuki,
Masayoshi Yamamoto
Publication year - 2014
Publication title -
progress in nuclear science and technology
Language(s) - English
Resource type - Journals
ISSN - 2185-4823
DOI - 10.15669/pnst.4.9
Subject(s) - fukushima nuclear accident , environmental science , dispersion (optics) , nuclear physics , nuclear power plant , physics , optics
137 Cs were 56–89% for the Fukushima river samples. Results show that the transport of 134 Cs and 137 Cs from the watershed to the river waters occurred mainly as particulate forms and that their radioactivity depends on the levels of radioactivity at the watersheds of the respective river systems.
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