Revolatilization of persistent organic pollutants in the Arctic induced by climate change
Ma, Jianmin1; Hung, Hayley1; Tian, Chongguo2; Kallenborn, Roland3,4
2011-08-01
发表期刊NATURE CLIMATE CHANGE
ISSN1758-678X
卷号1期号:5页码:255-260
摘要Persistent organic pollutants (POPs) are organic compounds produced by human activities that are resistant to environmental degradation. They include industrial chemicals, such as polychlorinated biphenyls, and pesticides, such as dichlorodiphenyltrichloroethane. Owing to their persistence in the environment, POPs are transported long distances in the atmosphere, accumulating in regions such as the Arctic, where low temperatures induce their deposition(1,2). Here the compounds accumulate in wildlife and humans, putting their health at risk(1,3,4). The concentrations of many POPs have decreased in Arctic air over the past few decades owing to restrictions on their production and use. As the climate warms, however, POPs deposited in sinks such as water and ice are expected to revolatilize into the atmosphere(5), and there is evidence that this process may have already begun for volatile compounds(6). Here we show that many POPs, including those with lower volatilities, are being remobilized into the air from repositories in the Arctic region as a result of sea-ice retreat and rising temperatures. We analysed records of the concentrations of POPs in Arctic air since the early 1990s and compared the results with model simulations of the effect of climate change on their atmospheric abundances. Our results indicate that a wide range of POPs have been remobilized into the Arctic atmosphere over the past two decades as a result of climate change, confirming that Arctic warming could undermine global efforts to reduce environmental and human exposure to these toxic chemicals.
DOI10.1038/NCLIMATE1167
项目资助者Government of Canada ; Norwegian Pollution Control Authorities (Norway) ; Alert station
收录类别SCI ; SSCI
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; POLYCHLORINATED-BIPHENYLS ; ATMOSPHERIC CONCENTRATIONS ; CONTAMINANT AMPLIFICATION ; AIR ; TRANSPORT ; EXCHANGE ; HEXACHLOROCYCLOHEXANES ; LINDANE ; MODEL
文章类型Article
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目Environmental Sciences ; Environmental Studies ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000293853300018
出版者NATURE PUBLISHING GROUP
引用统计
被引频次:110[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/6702
专题中科院海岸带环境过程与生态修复重点实验室
通讯作者Ma, Jianmin
作者单位1.Environm Canada, Air Qual Res Div, Toronto, ON M3H 5T4, Canada
2.Chinese Acad Sci, Yantai Inst Coast Zone Res, Yantai, Peoples R China
3.Norwegian Inst Air Res, NO-2027 Kjeller, Norway
4.Norwegian Univ Life Sci UMB, Dept Chem Biotechnol & Food Sci IKBM, NO-1432 As, Norway
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Ma, Jianmin,Hung, Hayley,Tian, Chongguo,et al. Revolatilization of persistent organic pollutants in the Arctic induced by climate change[J]. NATURE CLIMATE CHANGE,2011,1(5):255-260.
APA Ma, Jianmin,Hung, Hayley,Tian, Chongguo,&Kallenborn, Roland.(2011).Revolatilization of persistent organic pollutants in the Arctic induced by climate change.NATURE CLIMATE CHANGE,1(5),255-260.
MLA Ma, Jianmin,et al."Revolatilization of persistent organic pollutants in the Arctic induced by climate change".NATURE CLIMATE CHANGE 1.5(2011):255-260.
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