Characteristics and Source Identification of Polycyclic Aromatic Hydrocarbons (PAHs) in Urban Soils: A Review

查看全文 作　　者：WANG [1]Chunhui;WU [1]Shaohua;ZHOU [1]Shenglu;SHI [1]Yaxing;SONG [1]Jing

机构地区：[1]School of Geographic and Oceanographic Sciences, Nanjing University, 163 Xianlin Road, Nanjing 210023 (China)

出　　处：《Pedosphere》索引2017年第27卷第1期,共10页

基　　金：the financial support from the National Natural Science Foundation of China(No.41671085) 摘　　要：Polycyclic aromatic hydrocarbons(PAHs) are mainly produced by combustion processes and consist of a number of toxic compounds.They are always emitted as a mixture and have become a major type of pollutants in urban areas.The degree of soil contamination by PAHs is of special concern in areas immediately in proximity to cities with heavy traffic,factories,older buildings,and infrastructure.The accumulation of soil PAHs is also affected by non-anthropogenic factors,such as climate,vegetation,and soil property.This paper reviews three typical source identification techniques,including diagnostic ratios,positive matrix factorization,and principle components analysis.The advantages or disadvantages of these techniques are analyzed.It is recommended that multiple identification techniques be used to determine the sources in order to minimize the weaknesses inherent in each method and thereby to strengthen the conclusions for PAH source identification. 关键词：PAHS 城市土壤多环芳烃鉴定特征识别技术主成分分析燃烧过程

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Characteristics and Source Identification of Polycyclic Aromatic Hydrocarbons (PAHs) in Urban Soils: A Review

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耦合文献(41)

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