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Radiocesium levels in contaminated forests has remained stable, even after heavy rains due to typhoons and localized downpours
http://hdl.handle.net/10069/40391
http://hdl.handle.net/10069/4039104a32958-e966-4b5e-9115-810c06a593e7
名前 / ファイル | ライセンス | アクション |
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SciRep10_19215.pdf (2.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-11-19 | |||||
タイトル | ||||||
タイトル | Radiocesium levels in contaminated forests has remained stable, even after heavy rains due to typhoons and localized downpours | |||||
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 | journal article | |||||
著者 |
Taira, Yasuyuki
× Taira, Yasuyuki× Matsuo, Masahiko× Yamaguchi, Takumi× Yamada, Yumiko× Orita, Makiko× Takamura, Noboru |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In recent years, Japan has suffered serious damage due to natural disasters such as earthquakes, heavy rains due to tropical storms (typhoons) and localized downpours. To assess the chronological changes in the attenuation of external exposure doses and environmental radiation contamination due to the rainfall associated with typhoons and heavy rains during October to December 2019 in Fukushima, we measured environmental radiation levels in forest areas along the Mt Okura hiking trail in Tomioka Town, Fukushima Prefecture, near the Fukushima Daiichi Nuclear Power Station. We confirmed that (1) current ambient dose rates of 0.38?0.95 μSv/h in most forest areas were 79.9?84.7% higher than in residential areas; (2) the number of sites along the hiking trail where 137Cs was detected was limited (1.1?4.7%); and (3) individual dose rates of 0.21?0.34 μSv/h were lower than ambient dose rates. These findings suggest that radiocesium has remained stable in natural forests that have not been decontaminated even though current levels are low, despite the occurrence of heavy rainfall associated with Super Typhoon Hagibis in 2019 and localized downpours. Hiking while managing exposure to environmental contamination using a personal dosimeter may be the safest model for spending time of leisure activities. |
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書誌情報 |
Scientific Reports 巻 10, 号 1, p. 19215, 発行日 2020-11-05 |
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出版者 | ||||||
出版者 | Springer Nature | |||||
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収録物識別子タイプ | ISSN | |||||
収録物識別子 | 20452322 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/s41598-020-75857-1 | |||||
権利 | ||||||
権利情報 | c 2020, The Author(s). Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Scientific Reports, 10(1), art.no.19215; 2020 |