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Level and source of 129I of environmental samples in Xi'an region, China
Zhang,LY(Zhang,Luyuan)[1]; Zhou,WJ(Zhou,Weijian)[1,2]; Hou,XL(Hou,Xiaolin)[1]; Chen,N(Chen,Ning)[1]; Liu,Q(Liu,Qi)[1]; He,CH(He,Chaohui)[2]; Fan,YK(Fan,Yukun)[1]; Luo,MY(Luo,Maoyi)[2]; Wang,ZW( Wang,Zhiwen)[2]; Fu,YC(Fu,Yunchong)[1]
2011-09-01
发表期刊Science of the total environment
卷号409期号:19页码:3780-3788
文章类型期刊论文
摘要

Iodine-129 is widely used as a tracer in various environmental practices such as monitoring of nuclear environmental safety, seawater exchange and transport, geochemical cycle of stable iodine and dating of geological events. The spatial distribution of (129)I concentration varies significantly on global scale because of anthropogenic input from nuclear activities coupled with scarcity of data on environmental (129)I variability in many parts of the world including Asia. Here we report new data on (129)I and (127)I concentrations in soil, vegetation, river water and precipitation collected from Xi'an area, China. The results indicate values for environmental (129)I/(127)I ratios in the investigated area range from 1.1 x 10(-10) to 43.5 x 10(-10) with a mean of 20.6 x 10(-10), which is 1-3 orders of magnitude lower than the ratios observed in Europe, but comparable with those observed in the locations far from direct effect of point release sources and at similar latitude. The main source of (129)I in the investigated area is attributed to the global fallout of both atmospheric nuclear weapons testing and long distance dispersion of fuel reprocessing releases. (C) 2011 Elsevier B.V. All rights reserved.

关键词129I level 129I/127I ratio Environmental samples Accelerator Mass Spectrometry
DOI10.1016/j.scitotenv.2011.06.007
收录类别SCI
语种英语
引用统计
被引频次:23[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/361006/10276
专题加速器质谱中心
通讯作者Hou,XL(Hou,Xiaolin)[1]
作者单位1.Xi'an AMS center and State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710075, China;
2.Xi'an Jiaotong Univeristy, Xi'an, 710049, China
推荐引用方式
GB/T 7714
Zhang,LY,Zhou,WJ,Hou,XL,et al. Level and source of 129I of environmental samples in Xi'an region, China[J]. Science of the total environment,2011,409(19):3780-3788.
APA Zhang,LY.,Zhou,WJ.,Hou,XL.,Chen,N.,Liu,Q.,...&Fu,YC.(2011).Level and source of 129I of environmental samples in Xi'an region, China.Science of the total environment,409(19),3780-3788.
MLA Zhang,LY,et al."Level and source of 129I of environmental samples in Xi'an region, China".Science of the total environment 409.19(2011):3780-3788.
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