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Environmental contamination and external radiation dose rates from radionuclides released from the Fukushima nuclear power plant
http://hdl.handle.net/10069/30513
http://hdl.handle.net/10069/30513ad59e127-b87a-4deb-8baf-19cffc7233bd
名前 / ファイル | ライセンス | アクション |
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RPD151_537.pdf (166.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-10-01 | |||||
タイトル | ||||||
タイトル | Environmental contamination and external radiation dose rates from radionuclides released from the Fukushima nuclear power plant | |||||
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× Hayashida, Naomi× Yamashita, Shunichi× Kudo, Takashi× Matsuda, Naoki× Takahashi, Jumpei× Gutevitc, Alexander× Kazlovsky, Alexander× Takamura, Noboru |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To evaluate the environmental contamination and contributory external exposure after the accident at the Fukushima Nuclear Power Plant (FNPP), the concentrations of artificial radionuclides in soil samples from each area were analysed by gamma spectrometry. Six artificial radionuclides ( 131I, 134Cs, 137Cs, 129mTe, 95Nb and 136Cs) were detected in soil samples around FNPP. Calculated external effective doses from artificial radionuclide contamination in soil samples around FNPP were 1.9-2.9 μSv h -1 (8.7-17.8 mSv y. -1) in Fukushima city on 22 March 2011. After several months, these calculated external effective doses were 0.25-0.88 μSv h -1 (2.2-7.6 mSv y. -1) in Fukushima city on 29 June 2011. The present study revealed that the detected artificial radionuclides around FNPP mainly shifted to long-lived radionuclides such as radioactive caesium ( 134Cs and 137Cs) even though current levels are decreasing gradually due to the decay of short-lived radionuclides such as 131I, 129mTe, 95Nb and 136Cs. Thus, radiation exposure potency still exists even though the national efforts are ongoing for reducing the annual exposure dose closer to 1 mSv, the public dose limit. Long-term environmental monitoring around FNPP contributes to radiation safety, with a reduction in unnecessary exposure to the residents. | |||||
書誌情報 |
Radiation Protection Dosimetry 巻 151, 号 3, p. 537-545, 発行日 2012-09 |
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出版者 | ||||||
出版者 | Oxford University Press | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 01448420 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 17423406 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1093/rpd/ncs040 | |||||
権利 | ||||||
権利情報 | © The Author 2012. Published by Oxford University Press. All rights reserved. | |||||
権利 | ||||||
権利情報 | This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Radiation Protection Dosimetry following peer review. The definitive publisher-authenticated version Radiation Protection Dosimetry, 151(3), art.no.ncs040, pp.537-545; 2012. is available online at:http://rpd.oxfordjournals.org/content/151/3/537 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Radiation Protection Dosimetry, 151(3), pp.537-545; 2012 |