Water Circulation and MarineEnvironment in the Antarctic Tracedby Speciation of 129I and 127I

doi:10.1038/s41598-017-07765-w

	Water Circulation and MarineEnvironment in the Antarctic Tracedby Speciation of 129I and 127I
	Xing,S(Xing,Shan)6; Hou,XL(Hou,Xiaolin)5,6; Aldahan,A(Aldahan,Ala)3,4; Possnert,G(Possnert,Go¨ran)2; Shi,KL(Shi,Keliang)1,5; Yi,P(Yi,Peng)3,7; Zhou,WJ(Zhou,Weijian)6; Hou,Xiaolin
刊名	Scientific Reports
	2017-10
卷号	7 期号:1
DOI	10.1038/s41598-017-07765-w
文献子类	期刊论文
英文摘要	Emissions of anthropogenic ¹²⁹I from human nuclear activities are now detected in the surface water of the Antarctic seas. Surface seawater samples from the Drake Passage, Bellingshausen, Amundsen, and Ross Seas were analyzed for total ¹²⁹I and ¹²⁷I, as well as for iodide and iodate of these two isotopes. The variability of ¹²⁷I and ¹²⁹I concentrations and their species (¹²⁷I⁻/¹²⁷IO3⁻, ¹²⁹I⁻/¹²⁹IO3⁻) suggest limited environmental impact where ((1.15–3.15) × 10⁶ atoms/L for ¹²⁹I concentration and (0.61–1.98) × 10⁻¹¹ for ¹²⁹I/¹²⁷I atomic ratios are the lowest ones compared to the other oceans. The iodine distribution patterns provide useful information on surface water transport and mixing that are vital for better understanding of the Southern Oceans effects on the global climate change. The results indicate multiple spatial interactions between the Antarctic Circumpolar Current (ACC) and Antarctic Peninsula Coastal Current (APCC). These interactions happen in restricted circulation pathways that may partly relate to glacial melting and icebergs transport. Biological activity during the warm season should be one of the key factors controlling the reduction of iodate in the coastal water in the Antarctic.
项目编号	2015FY110800 ; 41040016
语种	英语
资助机构	Ministry of Science and Technology of China ; Ministry of Science and Technology of China ; State Key Laboratory of Loess and Quaternary Geology and the National Science Foundation of China ; State Key Laboratory of Loess and Quaternary Geology and the National Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.ieecas.cn/handle/361006/5630]
专题	地球环境研究所_加速器质谱中心
通讯作者	Hou,Xiaolin
作者单位	1.School of Nuclear Science and Technology, Lanzhou University, Lanzhou,73000, China 2.Tandem Laboratory, UppsalaUniversity, Uppsala, 75120, Sweden 3.Department of Earth Sciences, Uppsala University, Uppsala, 75120, Sweden 4.Department of Geology, United Arab Emirates University, Al Ain, 17511, United Arab Emirates 5.Technical University of Denmark, Center for Nuclear Technologies, Risø Campus, Roskilde,4000, Denmark 6.1State Key Laboratory of Loess and Quaternary Geology, Shaanxi Key Laboratory of Accelerator Mass SpectrometryTechnology and Application, Xi’an AMS Center, Institute of Earth Environment, Chinese Academy of Sciences,Xi’an, 710061, China 7.College of Hydrology & Water Resources, Hohai University, Nanjing, 210098, China
推荐引用方式 GB/T 7714	Xing,S,Hou,XL,Aldahan,A,et al. Water Circulation and MarineEnvironment in the Antarctic Tracedby Speciation of 129I and 127I[J]. Scientific Reports,2017,7(1).
APA	Xing,S.,Hou,XL.,Aldahan,A.,Possnert,G.,Shi,KL.,...&Hou,Xiaolin.(2017).Water Circulation and MarineEnvironment in the Antarctic Tracedby Speciation of 129I and 127I.Scientific Reports,7(1).
MLA	Xing,S,et al."Water Circulation and MarineEnvironment in the Antarctic Tracedby Speciation of 129I and 127I".Scientific Reports 7.1(2017).