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Effective half-lives of radiocesium in terrestrial plants observed after nuclear power plant accidents. In: Impact of Cesium on Plants and the Environment
https://repo.qst.go.jp/records/58648
https://repo.qst.go.jp/records/5864806ea3d55-2ccb-4b18-8707-688304955502
Item type | 一般雑誌記事 / Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2016-11-17 | |||||
タイトル | ||||||
タイトル | Effective half-lives of radiocesium in terrestrial plants observed after nuclear power plant accidents. In: Impact of Cesium on Plants and the Environment | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Tagami, Keiko
× Tagami, Keiko× 田上 恵子 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Information on “how fast radiocesium could be removed from plants” is important to decide measures after contamination. To express the decreasing rate, effective half-life (Teff) can be used; Teff is defined as the time required for a 50% decline of radiocesium in an individual plant or plant population in a natural ecosystem. There are four major radioactivity decrease process in plants when terrestrial environment is contaminated with radiocesium. (1) Removal of radiocesium attached to plant surface by rain and wind (weathering effect), (2) plant mass increase at growing season (dilution effect), (3) removal of radiocesium by shedding leaves and fruits (elimination effect) and (4) decrease of bioavailable radiocesium fraction in soil (aging effect). It is difficult to separate these processes, however, since radiocesium decreasing trend fits well with exponential curves (usually a combination of two exponential curves), effective half-lives (Teff) are reported. This paper summarizes terrestrial plant Teff data in woody and herbaceous plants observed after Fukushima nuclear accident and also compared the data observed after the Chernobyl power plant accident. | |||||
書誌情報 |
Effective half-lives of radiocesium in terrestrial plants observed after nuclear power plant accidents. In: Impact of Cesium on Plants and the Environment 発行日 2016-11 |
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出版者 | ||||||
出版者 | Springer | |||||
ISBN | ||||||
識別子タイプ | ISBN | |||||
関連識別子 | 978-3-319-41524-6 |