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Kurikami, Hiroshi
Impacts of Fukushima Nuclear Accident on Freshwater Environments, p.227 - 247, 2021/00
The relationship between radiocesium migration in forest and fish contamination was analyzed by using a model and environmental monitoring data. As the result, it was estimated that radiocesium sources in forest transferred to fish were changing with time. In the first several years after the accident, the main sources were leaves that fell directly into rivers and litter layer of the forest floor, which led the fast decrease of radiocesium concentration in fish. After the period, the main source was switched to the organic soil underlying the litter layer.
Kurikami, Hiroshi
no journal, ,
Transport pathways of radiocesium from forest to fish living in mountaineous streams were analyzed by using a simulation model and environmental monitoring data. As the results it was clarified that there are three transport pathways to fish. Fast decrease of cesium concentrations in leaves/needles and litter layer is strongly related to the fast decrease of that in fish.
Niwano, Yuma*; Kato, Hiroaki*; Akaiwa, Satoru*; Anderson, D.*; Iida, Hikaru*; Nakanishi, Miyu*; Onda, Yuichi*; Sato, Hikaru*; Niizato, Tadafumi
no journal, ,