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Nakanishi, Takahiro; Sato, Seiji; Murai, Taihei; Katayose, Yuji
no journal, ,
A large amount of radiocesium emitted from the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident was deposited in terrestrial areas. It is therefore important to determine the quantity of radiocesium transported from these areas by hydrological processes to predict the future contamination status and propose effective countermeasures to reduce exposure. In this paper, we report the aging of the radiocesium concentration in 8 rivers nearby FDNPP and discuss the environmental factors on behavior of radiocesium.