Statistical approaches for identification and quantification of soil trace elemental pollution near the traffic way

IF 0.5 4区 环境科学与生态学 Q4 ENGINEERING, ENVIRONMENTAL Environment Protection Engineering Pub Date : 2019-01-01 DOI:10.37190/epe190402
Lin-hua Sun
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引用次数: 1

Abstract

The concentrations of eight trace elements (As, Co, Cr, Cu, Fe, Mn, Pb and Zn) in the soil near a traffic way of Suzhou, Anhui province, China have been determined for the pollution assessment and source identification (along with quantification). The results indicate that Fe is the most abundant element followed by Mn, Zn, Cr, Pb, Cu, Co and As. These elements have low-medium coefficients of variation (0.059 – 0.293), indicating that some of them might have multisources. The combination of single pollution, geoaccumulation and the Nemerow composite indices suggest that the soils in this study are slightly polluted. Based on multivariate statistical analyses (including correlation, cluster and factor analyses), three sources responsible for the trace elemental concentrations in the soils have been identified, including geogenic, agricultural and traffic-related sources. Their mean contributions calculated based on the Unmix model are 35.9, 31.8 and 32.4%, respectively.
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交通道路附近土壤微量元素污染识别与定量的统计方法
对安徽省苏州市某交通干道附近土壤中As、Co、Cr、Cu、Fe、Mn、Pb、Zn 8种微量元素的浓度进行了测定,用于污染评价和污染源鉴定(及定量分析)。结果表明,铁元素含量最高,其次为Mn、Zn、Cr、Pb、Cu、Co和As。这些元素具有中低变异系数(0.059 ~ 0.293),表明其中一些元素可能有多源。单次污染、地质堆积和Nemerow综合指数表明,研究区土壤污染程度较轻。基于多变量统计分析(包括相关分析、聚类分析和因子分析),确定了土壤中微量元素浓度的三个来源,包括地质来源、农业来源和交通来源。基于Unmix模型计算的平均贡献分别为35.9%、31.8%和32.4%。
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来源期刊
Environment Protection Engineering
Environment Protection Engineering 环境科学-工程:环境
CiteScore
0.80
自引率
0.00%
发文量
9
审稿时长
12 months
期刊介绍: Water purification, wastewater treatment, water reuse, solid waste disposal, gas emission abatement, systems of water and air pollution control, soil remediation.
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