密云某流域土壤重金属污染特征及评价

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英文篇名：Characteristics and Pollution Assessment of Heavy Metals in Soil of a River Basin in Miyun District 作者：颜常春 ; 田志君 ; 吴大鹏 ; 丁霞 ; 王威 ; 邢宇鑫 ; 韩娟娟 英文作者：YAN Changchun;TIAN Zhijun;WU Dapeng;DING Xia;WANG Wei;XING Yuxin;HAN Juanjuan;Beijing Institute of Geological Engineering Design;School of Energy and Environmental Engineering, University of Science &Technology Beijing; 关键词：土壤 ; 重金属 ; 空间分布 ; 多元统计分析 ; 污染评价 英文关键词：Soil;;Heavy metal elements;;Spatial distribution;;Multivariate statistical analysis;;Pollution assessment 中文刊名：城市地质 英文刊名：Urban Geology 机构：北京市地质工程设计研究院;北京科技大学能源与环境工程学院; 出版日期：2019-06-15 出版单位：城市地质 年：2019 期：02 基金：北京市矿山地质环境监测系统建设(一期)年度监测运行(白河流域示范区)项目(PXM2018_158303_000003) 语种：中文; 页：71-76 页数：6 CN：11-5519/P ISSN：1007-1903 分类号：X53;X825

摘要

对北京市密云水库上游某流域周边土壤重金属(As、Hg、Zn、Cu、Cd、Pb、Ni、Cr)的空间分布、来源及污染现状进行评价。地累积指数法、单因子指数与内梅罗综合污染指数法、多元统计分析(相关性分析、主成分分析)表明,Cu、Pb、Zn、Cd和As五种元素主要来源于矿山开采、选矿以及运输等过程;Cr和Ni污染主要来源于旧金属垃圾及铁矿开采伴生元素;Hg元素污染主要来自于金矿的采选过程。Cr元素在该流域内污染比例较大,Hg与Cd两种元素变异程度较大,污染较为严重的区域主要集中在金矿和尾矿库附近。Pb和As两种元素污染程度处于相对安全水平。
        The spatial distribution, source and pollution status of heavy metals(As, Hg, Zn, Cu, Cd, Pb, Ni, Cr) around a River Basin in the upper reaches of the Miyun Reservoir in Beijing are evaluated. Single factor index, Nemero comprehensive pollution index method and multivariate statistical analysis(correlation analysis, principal component analysis) show that Cu, Pb, Zn,Cd and As are mainly derived from mining, beneficiation, transportation and other processes; Cr and Ni pollution mainly from old metal garbage and iron mining process; Hg element pollution mainly from the gold mining process. The content of Cr in the basin is relatively high, and the two elements of Hg and Cd are highly variable. The areas with serious pollution are mainly concentrated in the vicinity of gold deposits and tailings ponds. The degree of contamination of both Pb and As is relatively low.

引文

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