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Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica
Gao, Xiaozhong; Huang, Chao; Rao, Kaifeng; Xu, Yiping; Huang, Qinghui; Wang, Feng; Ma, Mei; Wang, Zijian
2018-10-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume241Pages:950-958
AbstractAs a pristine continent, Antarctica provides a good opportunity to study the spatial transport and temporal accumulation of environmental contaminants and the impacts of anthropogenic activities, both of which have given rise to ongoing public concern. In this research, an approach of coupling aquatic time-integrated passive sampling with chemical analysis and bioassays was used to assess pollution by hydrophobic organic contaminants in Antarctic waters. Passive samplers were deployed in waters of Fildes Peninsula, Antarctica, and their extracts were used for chemical analyses of sixty-six hydrophobic organic contaminants belonging to five groups [organophosphorus flame retardants (PFRs), phthalic acid esters (PAEs), polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides (OCPs), and polychlorinated biphenyls (PCBs)] and in vitro bioassays for endocrine disruption and genotoxicity. In total, twenty pollutants (six PFRs, one PAE, two PAHs, six OCPs, and five PCBs) were quantified, and six PFRs had concentrations that ranged from ND (not detected) to 44.37 ng L-1 in Antarctic waters. The concentrations detected in the waters were generally low and insufficient to have significant in vitro endocrine disruption potential or genotoxicity. The source and transport pathways of PFRs and PAE in Fildes Peninsula were studied, and multiple local sources (wastewater, air traffic, research stations, and animal feces) for different PFRs were proposed. A spatial and temporal analysis showed slight changes in the exposure of OCPs and PCBs in Antarctic waters. Furthermore, a comparison among a variety of Antarctic water sampling cases revealed that passive sampling can be a tool for aquatic time-integrated investigations in polar regions. (C) 2018 Elsevier Ltd. All rights reserved.
Department中国科学院饮用水科学与技术重点实验室
KeywordAntarctic waters Passive sampling Organophosphorus flame retardants (PFRs) Local source Anthropogenic impact
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/41394
Collection中国科学院饮用水科学与技术重点实验室
Recommended Citation
GB/T 7714
Gao, Xiaozhong,Huang, Chao,Rao, Kaifeng,et al. Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica[J]. ENVIRONMENTAL POLLUTION,2018,241:950-958.
APA Gao, Xiaozhong.,Huang, Chao.,Rao, Kaifeng.,Xu, Yiping.,Huang, Qinghui.,...&Wang, Zijian.(2018).Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica.ENVIRONMENTAL POLLUTION,241,950-958.
MLA Gao, Xiaozhong,et al."Occurrences, sources, and transport of hydrophobic organic contaminants in the waters of Fildes Peninsula, Antarctica".ENVIRONMENTAL POLLUTION 241(2018):950-958.
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