Spatial Distributions, Sources and Risks of Polycyclic Aromatic Hydrocarbons in Sediments from Ziya River System, Northern China

被引：0
作者：
Zhipeng Wang
Aoxiang Fan
Wenzhong Tang
Hong Zhang
Shuzhen Zhang
机构：
[1] Chinese Academy of Sciences,State Key Laboratory of Environmental Aquatic Chemistry Research Center for Eco
[2] University of Chinese Academic Sciences,Environment Sciences
[3] China University of Geosciences,College of the Environment
[4] Liaoning University,School of Environment Science
来源：
Bulletin of Environmental Contamination and Toxicology | 2021年 / 106卷
关键词：
Haihe River System; Sediment; PAHs; Ecological risk;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
With the development of urbanization and industrialization, Ziya River Plain (ZYRP) had become one of the most polluted regions of polycyclic aromatic hydrocarbons (PAHs) in north China. The distribution of PAHs in sediments were investigated, and then their sources and risks were evaluated. The results showed that the total PAHs varied from 3372 to 92,948 μg/kg, and heavy pollution was found in the upstream. Both the isomer pair ratios of PAH and principal components analysis (PCA) revealed that fossil fuel combustion was the mainly contributes (69.1%), followed by wood and coal combustion (26.7%). The ecological risk for the whole area was moderate, with the highest risk in Niuwei River (NWR). and significant correlation was found between the ecological risk and high-molecular-weight (HMW) of PAHs (r2 > 0.99, p < 0.01). Our findings would give insights into the mitigation of sedimentary PAHs pollution in north China.
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页码：183 / 189
页数：6
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