The source apportionment of polycyclic aromatic hydrocarbons (PAHs) in the topsoil in Xiaodian sewage irrigation area, North of China

被引：21

作者：

Li, Jia-Le ^{[1
,2
]}

Wang, Yan-Xin ^{[1
,2
]}

Zhang, Cai-Xiang ^{[2
]}

Dong, Yi-Hui ^{[1
,2
]}

Du, Bin ^{[1
,2
]}

Liao, Xiao-Ping ^{[1
,2
]}

机构：

[1] China Univ Geosci, Sch Environm Studies, Wuhan 430074, Peoples R China

[2] China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China

来源：

ECOTOXICOLOGY | 2014年 / 23卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Sewage irrigation area; Polycyclic aromatic hydrocarbons (PAHs); Topsoil; Source apportionment; WASTE-WATER; SURFACE SEDIMENTS; SOURCE IDENTIFICATION; SPATIAL-DISTRIBUTION; ORGANIC POLLUTANTS; RIVER-BASIN; SOILS; CONTAMINATION; GENOTOXICITY; COMBUSTION;

D O I：

10.1007/s10646-014-1328-1

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

31 topsoil samples were collected by grid method in Xiaodian sewage irrigation area, Taiyuan City, North of China. The concentrations of 16 kinds of polycyclic aromatic hydrocarbons (PAHs) were determined by gas chromatograph coupled with mass spectrum. Generally speaking, the distribution order of PAHs in the area is: those with five and six rings > those with four rings > those with two and three rings. Source apportionment shows a significant zonation of the source of PAHs: the civil coal pollution occurred in the north part, the local and far factory pollution happened in the middle area and the mixed pollution sources from coal and wood combustion, automotive emission, presented in the south area. The distribution of PAHs has a definite relationship with the sewage water flow and soil adsorption. The related coefficient between PAHs and physicochemical property showed there was a negative correlation between pH, silt, clay and PAHs while there was a positive correlation between total organic carbon, sand and PAHs.

引用

页码：1943 / 1950

页数：8

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