Environmental Quality Evaluation and Quantitative Tracing Heavy Metals in Coal Mine Soils in Grassland Based on PCA/APCS

doi:10.11733/j.issn.1007-0435.2021.03.015

Acta Agrestia Sinica ›› 2021, Vol. 29 ›› Issue (3): 537-544.DOI: 10.11733/j.issn.1007-0435.2021.03.015

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Environmental Quality Evaluation and Quantitative Tracing Heavy Metals in Coal Mine Soils in Grassland Based on PCA/APCS

YANG Jie¹, ZHOU Xiao-fang², WANG Xin-fu², GU Xin¹, CHEN Yang¹, GAO Liang-min¹, CHEN Xiao-qing¹

1. School of Earth and Environment of Anhui University of Science and Technology, Huainan, Anhui Province 232001, China;
2. Jiangsu Design Institute of Geology for Mineral Resources, Xuzhou, Jiangsu Province 221006, China

Received:2020-09-06 Revised:2020-11-03 Online:2021-03-15 Published:2021-04-02

基于PCA/APCS的草原区煤矿土壤重金属环境质量评价与定量溯源研究

杨洁¹, 周晓芳², 王新富², 顾昕¹, 陈阳¹, 高良敏¹, 陈晓晴¹

1. 安徽理工大学地球与环境学院, 安徽淮南 232001;
2. 江苏地质矿产设计研究院, 江苏徐州 221006

通讯作者: 高良敏
作者简介:杨洁(1996-),女,汉族,安徽淮南人,硕士研究生,主要从事水污染控制、矿山生态环境等研究,E-mail:2401928763@qq.com
基金资助:
淮南矿业集团科技计划项目（HNKE-XBZB-QT-2018-097）资助

Abstract

Abstract: In order to study the pollution sources and distribution characteristics of soil heavy metals around coal mine in the grassland district of Ordos City,the single factor index,geo-accumulation index and potential ecological risk index were used to evaluate the soil environmental quality in the mining area,and based on correlation analysis,principal component analysis/absolute principal component score receptor model to carry out pollution traceability research. The results showed that the main potential ecological risk factor in the study area is mercury (Hg). The overall potential ecological hazards of the five types of landuse were in the order of road > construction site>woodland>bare land>meadow from high to low. The overall soil environmental quality was medium. The accumulation of Chromium (Cr),Nickel (Ni),Plumbum (Pb),and Arsenic (As) in the soil came from industrial sources. Hg and As came from atmospheric deposition sources. Cadmium (Cd) was affected by natural sources and agricultural activities. Cuprum (Cu),Pb came from mobile sources.

Key words: Grassland, Coal Mine, Soil, Heavy metals, Source analysis

摘要： 为研究鄂尔多斯市草原区煤矿周边土壤重金属的污染来源及分布特征，本研究利用单因子指数、地累积指数和潜在生态风险指数对矿区土壤环境质量进行了评价，并基于相关性分析、主成分/绝对主成分受体模型开展污染溯源研究。结果表明：研究区主要潜在生态风险因子为汞，5种土地利用类型综合潜在生态危害处中等风险以上的占比由高至低依次为道路>建设用地>林地>裸地>草地，整体土壤环境质量中等;土壤中铬、镍、铅、砷的累积来自工业源，汞与砷来自大气沉降源，镉受自然源和农业活动的共同影响，铜、铅来自移动源。

关键词: 草原, 煤矿, 土壤, 重金属, 溯源

CLC Number:

YANG Jie, ZHOU Xiao-fang, WANG Xin-fu, GU Xin, CHEN Yang, GAO Liang-min, CHEN Xiao-qing. Environmental Quality Evaluation and Quantitative Tracing Heavy Metals in Coal Mine Soils in Grassland Based on PCA/APCS[J]. Acta Agrestia Sinica, 2021, 29(3): 537-544.

杨洁, 周晓芳, 王新富, 顾昕, 陈阳, 高良敏, 陈晓晴. 基于PCA/APCS的草原区煤矿土壤重金属环境质量评价与定量溯源研究[J]. 草地学报, 2021, 29(3): 537-544.

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Environmental Quality Evaluation and Quantitative Tracing Heavy Metals in Coal Mine Soils in Grassland Based on PCA/APCS

基于PCA/APCS的草原区煤矿土壤重金属环境质量评价与定量溯源研究

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