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Radiocesium in the western subarctic area of the North Pacific ocean, Bering Sea, and Arctic Ocean in 2015 and 2017
https://nipr.repo.nii.ac.jp/records/15938
https://nipr.repo.nii.ac.jp/records/159381923578c-5336-4e4a-acd7-c47f1fe95ee8
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-09-30 | |||||
タイトル | ||||||
タイトル | Radiocesium in the western subarctic area of the North Pacific ocean, Bering Sea, and Arctic Ocean in 2015 and 2017 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Radiocesium in the western subarctic area of the North Pacific ocean, Bering Sea, and Arctic Ocean in 2015 and 2017 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Fukushima Dai-ichi nuclear power plant | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Radiocesium | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | The western subarctic area of the north Pacific | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Arctic ocean | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Bering sea | |||||
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 | |||||
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 |
Kumamoto, Yuichiro
× Kumamoto, Yuichiro× Aoyama, Michio× Hamajima, Yasunori× Nishino, Shigeto× Murata, Akihiko× Kikuchi, Takashi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We measured dissolved radiocesium (134Cs and 137Cs) in seawater collected in the western subarctic area of the North Pacific Ocean, Bering Sea, and Arctic Ocean in 2015 and 2017. The radiocesium released from the accident of the Fukushima Dai-ichi nuclear power plant (FNPP1) in March 2011 was still observed in the surface seawater of the western subarctic area and Bering Sea. Between 2015 and 2017, the radiocesium concentration decreased and increased in the western subarctic area and the Bering Sea, respectively. The increase in the Bering Sea was probably derived from the long-range transport of the FNPP1-derived radiocesium into the Bering Sea with the subarctic gyre circulation in the North Pacific. The FNPP1-derived radiocesium was not detected in the Arctic Ocean in 2015 unlike that observed in 2014, which suggests a restricted transport of the FNPP1-derived radiocesium from the Bering Sea to the Arctic Ocean in 2015. The significant elevation in the radiocesium concentration in the Bering Sea in 2017 associated with the long-range transport implies the increase in the transport of the FNPP1-derived radiocesium into the Arctic Ocean in the future. | |||||
書誌情報 |
en : Polar Science 巻 21, p. 228-232, 発行日 2019-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.polar.2018.08.007 | |||||
関連名称 | 10.1016/j.polar.2018.08.007 |