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Penetration of $$^{129}$$I released from Fukushima Daiichi Nuclear Power Plant accident in the western North Pacific Ocean

Suzuki, Takashi  ; Otosaka, Shigeyoshi  ; Kuwabara, Jun ; Kawamura, Hideyuki  ; Kobayashi, Takuya 

To investigate the dynamics of radionuclides in the ocean released by the accident at Fukushima Daiichi Nuclear Power Plant (1F), vertical distributions of $$^{129}$$ I at three stations in the western North Pacific was revealed. The 1F accident-derived $$^{129}$$ I existed within the mixed layer at 3 stations. The maximum layer of the 1F accident-derived $$^{129}$$ I existed at the depth of 370 m - 470 m at the most southern station. Considering the dissolved oxygen concentration and the current velocity arround the station, the maximum layer of the 1F accident-derived $$^{129}$$ I would be fromed that $$^{129}$$I which existed in the surface seawater at other area of observation point was carried to the depth of 370 m - 470 m by the fast downward flow.

Language

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Japanese

Journal

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JAEA-Conf 2018-002

Volume

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Number

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Pages

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p.103 - 106

Publication Year/Month

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2019/02

Meeting title

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第20回AMSシンポジウム(JAMS-20)

Held date

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2017/12

Location (city)

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土岐

Location (country)

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日本

Patent information

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PDF

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Paper URL

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https://doi.org/10.11484/jaea-conf-2018-002

DOI for research data

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Keywords

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ヨウ素129; 福島第一原子力発電所事故; 西部北太平洋; Fukushima Daiichi Nuclear Power Station Accident

Research Facility

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AMS(加速器質量分析装置)  

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Altmetrics

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