Atmospheric deposition of PBDEs and DPs in Dongjiang River Basin, South China

被引：5
|
作者：
Wu, Xiaowei [1 ]
Wang, Yan [1 ]
Hou, Minmin [1 ]
Luo, Chunling [2 ]
Zhao, Hongxia [1 ]
Zhang, Gan [2 ]
机构：
[1] Dalian Univ Technol, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn MOE, Dalian 116024, Peoples R China
[2] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2017年 / 24卷 / 04期
基金：
中国国家自然科学基金;
关键词：
PBDEs; DPs; Atmospheric deposition; Seasonal variation; Spatial variation; POLYBROMINATED DIPHENYL ETHERS; DECHLORANE PLUS DP; E-WASTE; ISOMER PROFILES; VERTICAL-DISTRIBUTION; SEASONAL-VARIATIONS; FLAME RETARDANTS; DRY DEPOSITION; LAKE-ONTARIO; GREAT-LAKES;
D O I：
10.1007/s11356-016-8082-2
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The atmospheric deposition fluxes of polybrominated diphenyl ethers (PBDEs) and Dechlorane Plus (DPs) in Dongjiang River Basin of the Pearl River Delta in South China were investigated during winter and summer, respectively. The total deposition fluxes varied from 4.74 to 27.0 ng/m(2)/day for PBDEs and 8.77 to 206 ng/m(2)/day for DPs, respectively. The fractions of anti-DP to the total DPs (f(anti)) varied from 0.28 to 0.63 (mean = 0.43 +/- 0.06), i.e., generally lower than those in commercial products, which might be attributed to the different environmental fates of the two isomers. Significant seasonal and spatial variations of PBDEs and DPs were observed. The deposition fluxes in summer were generally higher than those in winter, which may be due to the relatively high temperature and rainfall in summer under the influence of prevailing subtropical monsoon climate. Moreover, high deposition fluxes of PBDEs and DPs in urban areas and significant urban/rural gradient implied that local industrial activities in the urban areas were primary sources, which were further confirmed by the results of principal component analysis. The highest deposition of PBDE and DP fluxes was found at different sampling sites, suggesting PBDEs and DPs may be derived from different industries or products.
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收藏
页码：3882 / 3889
页数：8
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