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TitleThe Transfer of radiocesium from the bark to the stemflow of chestnut trees (Castanea crenata) contaminated by radionuclides from the Fukushima Dai-ichi Nuclear Power Plant accident
Alternative title福島第一原子力発電所の事故由来の放射性セシウムのクリ(Castanea crenata)の樹皮から樹幹流への移行
PublisherElsevier
AuthorSasaki, Yoshito
AuthorAbe, Hironobu
AuthorMitachi, Katsuaki
AuthorWatanabe, Takayoshi
AuthorIshii, Yasuo
AuthorNiizato, Tadafumi
Issued date2016-09
Languageeng
Page58p.-65p.
Typereport
DescriptionWe report the behavior of radiocesium on the tree bark and its transfer into the stemflow of chestnut in a forest in Fukushima. The radiocesium concentration is greatest in phi2-cm stem, less in <phi5-mm stem, and least in the leaves. In the phi2-cm stem, the radiocesium concentration of the bark was approximately 10 times that of wood. The average Cs-137 concentration of the dissolved fraction of stem flow was about 10 Bq/L; the pH was nearly constant at 5.8. A strong positive correlation was observed between the radiocesium concentration and the electrical conductivity of the dissolved fraction of stemflow; this result suggests that radiocesium and electrolytes have the same elution mechanism from the tree. Some of the particles in the particulate fraction of the stem flow was strongly adsorbed radiocesium.
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基礎・基盤研究全体マップ(2022)
URIhttps://f-archive.jaea.go.jp/dspace/handle/faa/211390