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Anthropogenic ^(129)I in seawaters along the north-central part of the english channel:Levels and tracer applications

引用

Acta Oceanologica Sinica 2022年第11期41卷 73-80页

作者： Peng He Zheng Yang Hongying Pang Ala Aldahan Xiaolin Hou Goran Possnert Xiangjun Pei Yi Huang State Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of TechnologyChengdu 610059China School of Ecology and Environment Chengdu University of TechnologyChengdu 610059China Sichuan Vanadium&Titanium Industry Development Research Center Panzhihua 617000China Department of Geosciences United Arab Emirates UniversityAl Ain 15551United Arab Emirates Department of Environmental and Resource Engineering Technical University of Denmark(Riso Campus)Roskilde DK-40ooDenmark State Key Laboratory of Loess and Quaternary Geology Institute of Earth EnvironmentChinese Academy of SciencesXi'an 710061China Tandem Laboratory Uppsala UniversityUppsala 75120Sweden

The english channel(the channel)represents a major sink and transport pathway of anthropogenic radioactive ^(129)*** this important role,data concerning the distribution of ^(129)I in seawater of the channel are scarce,and most of existing data are restricted to the eastern part of the *** advection and dispersion of ^(129)I from the French coast toward the central and further the english coast,especially in the channel west of Cap de La Hague,are not fully *** present results of iodine isotopes( ^(127)I and ^(129)I)analyses of surface water samples collected along the central english channel in October,*** data show high ^(129)I concentrations between Dover Strait and La Hague,followed by a dramatic drop towards the Celtic Sea and reveal the dispersal of ^(129)I towards central and northern part of the *** observation also implies that the entire British coast is contaminated by ^(129)I. ^(129)I levels in the westernmost english channel,close to the english coast,may reflect combined influences from La Hague and *** of ^(129)I between 2005 and 2010 suggests a strong link to temporal marine discharges from La Hague *** discharges from the nuclear reprocessing facility have continued since 2010 and thus an ecological evaluation of ^(129)I radioactive hazards in the environment of the channel may be needed.

关键词： ^(129)I seawater iodine isotopes english channel

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