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Iodine-129 in Seawater Offshore Fukushima: Distribution, InorganicSpeciation, Sources, and Budget
Hou,XL(Hou,Xiaolin)[1,2]; Povinec,PP(Povinec, Pavel P.)[3]; Zhang,LY(Zhang.Luyuan)[1]; Shi,KL(Shi,Keliang)[1]; Biddulph,D(Biddulph,Dana)[4,9]; Chang,CC(Chang,Ching-Chih)[8,9]; Fan,YK(Fan,Yukun)[2]; Golser, R(Golser,Robin)[5]; Hou,YK(Hou,Yingkun)[6]; Jeskovsky,M(Jeskovsky,Miroslav)[5,3]; Jull,AJT(Jull,A.J.Tim)[4,8,9]; Liu,Q(Liu,Qi)[2]; Luo,MY(Luo,Maoyi)[1,7]; Steier,P(Steier,Peter)[5]; Zhou,WJ(Zhou,Weijian)[2]
2013
Source PublicationEnvironmental Science&Technology
Subtype期刊论文
Abstract

The Fukushima nuclear accident in March 2011 has released a large amount of radioactive pollutants to the environment. Of the pollutants, iodine-129 is a long-lived radionuclide and will remain in the environment for millions of years. This work first report levels and inorganic speciation of 129I in seawater depth profiles collected offshore Fukushima in June 2011. Significantly elevated 129I concentrations in surface water were observed with the highest 129I/127I atomic ratio of 2.2 × 10−9 in the surface seawater 40 km offshore Fukushima. Iodide was found as the dominant species of 129I, while stable 127I was mainly in iodate form, reflecting the fact that the major source of 129I is the direct liquid discharges from the Fukushima NPP. The amount of 129I directly discharged from the Fukushima Dai-ichi nuclear power plant to the sea was estimated to be 2.35 GBq, and about 1.09 GBq of 129I released to the atmosphere from the accident was deposited in the sea offshore Fukushima. A total release of 8.06 GBq (or 1.2 kg) of 129I from the Fukushima accident was estimated. These Fukushimaderived 129I data provide necessary information for the investigation of water circulation and geochemical cycle of iodine in the northwestern Pacific Ocean in the future.

DOI10.1021/es304460k
Indexed BySCI
Language英语
Citation statistics
Cited Times:83[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10069
Collection加速器质谱中心
Corresponding AuthorHou,XL(Hou,Xiaolin)[1,2]
Affiliation1.Center for Nuclear Technology, Technical University of Denmark, Risø Campus, DK-4000 Roskilde, Denmark;
2.Xi’an AMS Center, SKLLQG, Institute of Earth Environment, CAS, Xi’an 710075, China;
3.Department of Nuclear Physics and Biophysics, Comenius University, Bratislava, Slovakia;
4.Department of Physics, University of Arizona, Tucson, Arizona 85721, United States;
5.Faculty of Physics, University of Vienna, Wahringerstrasse 17, 1090 Vienna, Austria ;
6.Department of Chemistry, Imperial College London, United Kingdom;
7.Department of Nuclear Science and Technology, Xían Jiaotong University, China;
8.Department of Geosciences, University of Arizona, Tucson, Arizona 85721, United States;
9.NSF Arizona AMS Laboratory, University of Arizona, Tucson, Arizona 85721, United States
Recommended Citation
GB/T 7714
Hou,XL,Povinec,PP,Zhang,LY,et al. Iodine-129 in Seawater Offshore Fukushima: Distribution, InorganicSpeciation, Sources, and Budget[J]. Environmental Science&Technology,2013.
APA Hou,XL.,Povinec,PP.,Zhang,LY.,Shi,KL.,Biddulph,D.,...&Zhou,WJ.(2013).Iodine-129 in Seawater Offshore Fukushima: Distribution, InorganicSpeciation, Sources, and Budget.Environmental Science&Technology.
MLA Hou,XL,et al."Iodine-129 in Seawater Offshore Fukushima: Distribution, InorganicSpeciation, Sources, and Budget".Environmental Science&Technology (2013).
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