近十年来我国土壤重金属污染源解析方法比较

Comparison of Analysis Methods of Soil Heavy Metal Pollution Sources in China in Last Ten Years

根据土壤实际情况选择适当的源解析方法,对于判明土壤重金属污染物来源、有针对性地进行治理具有重要意义。重点归纳近十年国内场地土壤重金属污染源解析的研究进展,按不同土地利用类型、不同重金属对常用的污染源解析方法进行汇总,在阐述各种源解析方法优势和局限的基础上,重点就主成分分析法(PCA)、正定矩阵因子分解法(PMF)、绝对因子得分-多元线性回归法(APCS-MLR)、单一与多参数同位素示踪法的应用特点进行了比较。在明确场地土壤重金属污染源解析研究面临的挑战的同时,指出联合应用多种源解析方法、多参数同位素示踪法是未来土壤重金属污染源解析研究的发展趋势。

According to the actual situation of soil,the selection of appropriate source resolution method is of great significance for the identification of the source of heavy metal pollutants in the soil and targeted treatment.This review summarized the domestic research progress of field soil heavy metal pollution sources in recently 10 years,according to different land use types and the commonly used sources of pollution of heavy metals analysis method to carry on the summary,in this paper various source analysis method on the basis of the advantages and limitations,mainly on principal component analysis(PCA),the positive definite matrix factorization method(PMF),absolute factor scoremultiple linear regression(APCS-MLR)provision,single and multiple parameter characteristics of the application of the isotope tracer method were compared.The joint application of multiple source analysis methods and multiparameter isotope tracer method is the future development trend of soil heavy metal pollution source analysis research.