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Anthropogenic I-129 in the sediment cores in the East China sea: Sources and transport pathways
Zhao, X (Zhao, Xue1,5; Hou, XL (Hou, Xiaolin)1,2,4; Du, JZ (Du, Jinzhou)3; Fan, YK (Fan, Yukun)1
通讯作者Hou, Xiaolin(houxl@ieecas.cn)
2019-02
发表期刊ENVIRONMENTAL POLLUTION
ISSN0269-7491
卷号245页码:443-452
产权排序1
摘要With the increased numbers of nuclear power plants constructed along the east coast of China, it is important to know radioactive sources and transport pathways between land and sea, in order to better understand the impact of these nuclear facilities to the marine environment. Two sediment cores collected from the East China Sea dated to 1959-2010 were analyzed for long-lived radioactive I-129 and stable I-127. It was observed that I-129 levels (I-129/I-127 ratio of (15.0-75.0) x 10(-12)) were significantly increased compared to the pre-nuclear value (I-129/I-127 = 1.5 x 10(-12)). Some I-129 peaks were observed in layers of 1959, 1966, 1971 and 1976 (1977), corresponding to the atmospheric nuclear weapon tests at Pacific Proving Grounds and Lop Nor. The high values of I-129 after the late 1970s are attributed to the releases from the European reprocessing plants. In addition to ocean current transport, the atmospheric dispersion through the interaction of the Westerlies with East Asia monsoon is the important pathway of large-scale transport of pollutants from high latitude West Europe to middle latitude East Asia. Riverine input is the main transport pathway of radioactive pollutants released from Lop Nor to the East China Sea through the atmospheric dispersion, deposition and runoff processes.
关键词NUCLEAR ACTIVITIES ATMOSPHERIC FALLOUT WATER MASSES RECORD I-129/I-127 ACCIDENT PU CIRCULATION (129)IODINE ISOTOPES
DOI10.1016/j.envpol.2018.11.018
关键词[WOS]NUCLEAR ACTIVITIES ; ATMOSPHERIC FALLOUT ; WATER MASSES ; RECORD ; I-129/I-127 ; ACCIDENT ; PU ; CIRCULATION ; (129)IODINE ; ISOTOPES
收录类别SCI ; SCIE
语种英语
资助项目Ministry of Science and Technology of China[2015FY110800] ; Natural Science Foundation of China[11605207] ; State Key Laboratory of Loess and Quaternary Geology
WOS研究方向Environmental Sciences & Ecology
项目资助者Ministry of Science and Technology of China ; Natural Science Foundation of China ; State Key Laboratory of Loess and Quaternary Geology
WOS类目Environmental Sciences
WOS记录号WOS:000457511900047
出版者ELSEVIER SCI LTD
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10967
专题加速器质谱中心
作者单位1.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Xian AMS Ctr,Inst Earth Environm, Shaanxi Key Lab Accelerator Mass Spectrometry Tec, Xian 710061, Shaanxi, Peoples R China;
2.Tech Univ Denmark, Ctr Nucl Technol, Riso Campus, DK-4000 Roskilde, Denmark;
3.East China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China;
4.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Ocean Continental Climate & Environm, Qingdao 266100, Peoples R China;
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Zhao, X (Zhao, Xue,Hou, XL ,Du, JZ ,et al. Anthropogenic I-129 in the sediment cores in the East China sea: Sources and transport pathways[J]. ENVIRONMENTAL POLLUTION,2019,245:443-452.
APA Zhao, X ,Hou, XL ,Du, JZ ,&Fan, YK .(2019).Anthropogenic I-129 in the sediment cores in the East China sea: Sources and transport pathways.ENVIRONMENTAL POLLUTION,245,443-452.
MLA Zhao, X ,et al."Anthropogenic I-129 in the sediment cores in the East China sea: Sources and transport pathways".ENVIRONMENTAL POLLUTION 245(2019):443-452.
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