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Tritium and iodine-129 concentrations in precipitation at Tsukuba, Japan, after the Fukushima Daiichi Nuclear Power Plant accident
http://hdl.handle.net/2241/00149125
http://hdl.handle.net/2241/00149125aababd38-d7ea-4349-85c0-24f95f260a33
名前 / ファイル | ライセンス | アクション |
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GJ_51-449-455 (816.9 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2017-11-17 | |||||
タイトル | ||||||
タイトル | Tritium and iodine-129 concentrations in precipitation at Tsukuba, Japan, after the Fukushima Daiichi Nuclear Power Plant accident | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Maruoka, Teruyuki
× Maruoka, Teruyuki× Kawamuto, Takamasa× Ohno, Takeshi× Muramatsu, Yasuyuki× Matsuzaki, Hiroyuki× Matsumoto, Takuya× Aggarwal, Pradeep |
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著者別名 |
丸岡, 照幸
× 丸岡, 照幸 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The earthquake off the Pacific coast of Japan and the subsequent tsunami on March 11, 2011, triggered a series of accidents in the Fukushima Daiichi Nuclear Power Plant (FNPP1). The accidents caused the release of a mixture of radioactive substances into the environment. This study measured the concentration of tritium (3H) and iodine-129 (129I) in rainwater samples collected at Tsukuba, 170 km southwest of the plant, during the year following the accident. High 3H concentrations were observed in the rainwater samples collected within one month after the FNPP1 accident. 3H concentrations decreased steadily over time and returned to the levels before the accident. Concentrations of 129I also decreased over time. However, pulses of high 129I concentrations were observed at several other times following the accident. The 129I concentrations were found to be correlated with iron concentrations in rainwater. It is likely that iron oxide, which can absorb iodate ions (IO3–), was the carrier of radiogenic iodine. This study concludes that 129I and also 131I, which is one of the most harmful radionuclides produced in nuclear reactors, can be redistributed to the atmosphere in the months following the deposition of radiogenic iodine on the ground. | |||||
書誌情報 |
Geochemical journal 巻 51, 号 5, p. 449-455, 発行日 2017-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0016-7002 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2343/geochemj.2.0423 | |||||
権利 | ||||||
権利情報 | © 2017 by The Geochemical Society of Japan. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | The Geochemical Society of Japan |