Temporal distribution of plutonium isotopes in marine sediments off Fukushima after the Fukushima Dai-ichi Nuclear Power Plant accident

Temporal distribution of plutonium isotopes in marine sediments off Fukushima after the Fukushima Dai-ichi Nuclear Power Plant accident
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福岛第一核电站事故后福岛附近海洋沉积物中钚同位素的时间分布

DOI:
10.1007/s10967-014-3437-y
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发表时间:
2015-02
影响因子:
1.6
通讯作者:
Uchida, Shigeo
Uchida, Shigeo
中科院分区:
化学4区
文献类型:
--
作者:
Aono, Tatsuo;Otosaka, Shigeyoshi;Tagami, Keiko;Uchida, Shigeo

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对2013年1月在北太平洋西部福岛海域采集的沉积物岩心中的Pu同位素特征进行了测定。我们将结果与2011年7月至2012年7月收集的海洋沉积物进行了比较。福岛核电站事故后近2年,海洋沉积物中239+240Pu活度和240Pu/239Pu原子比均未发生变化。调查区海洋沉积物中的钚污染仍来源于全球沉降物和太平洋试验场近距离沉降物。
The characterization of Pu isotopes in a sediment core collected in the western North Pacific off Fukushima in January 2013 was determined. We compared the results with that of the marine sediments collected from July 2011 to July 2012. Both the239+240Pu activities and the240Pu/239Pu atom ratios showed no variation in the marine sediments in the last 2 years since the FDNPP accident. Pu contamination in the marine sediments in the investigated areas still originated from global fallout and the Pacific Proving Ground close-in fallout.
DOI: 10.1038/srep00304
发表时间: 2012
期刊: SCIENTIFIC REPORTS
影响因子: 4.6
作者:
Zheng, Jian;Tagami, Keiko;Watanabe, Yoshito;Uchida, Shigeo;Aono, Tatsuo;Ishii, Nobuyoshi;Yoshida, Satoshi;Kubota, Yoshihisa;Fuma, Shoichi;Ihara, Sadao
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DOI: --
发表时间: 1988-03
期刊: Oceanologica Acta
影响因子: --
作者:
N. Kallel;L. Labeyrie;M. Arnold;H. Okada;W. C. Dudley;J. Duplessy
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影响因子: 1.6
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通讯作者: Zhiyong Liu;Jian Zheng;M. Yamada;S. Pan;H. Kawahata
DOI: 10.1016/s0265-931x(96)00071-9
发表时间: 1997-01-01
影响因子: 2.3
作者:
Buesseler, KO
通讯作者: Buesseler, KO