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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
Source PublicationScience of the total environment
Volume409Issue:19Pages:3780-3788
Subtype期刊论文
Abstract

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.

Keyword129I level 129I/127I ratio Environmental samples Accelerator Mass Spectrometry
DOI10.1016/j.scitotenv.2011.06.007
Indexed BySCI
Language英语
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10276
Collection加速器质谱中心
Corresponding AuthorHou,XL(Hou,Xiaolin)[1]
Affiliation1.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
Recommended Citation
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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