OALib Journal期刊
ISSN: 2333-9721
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西安市二环内表层土壤重金属空间分布特征
DOI: 10.11821/xb201109013, PP. 1281-1288
Keywords: 表层土壤,重金属,空间分布,来源,西安市
Abstract:
采集西安市二环内78处表层土壤样品,研究西安二环内城市表层土壤中Co、Cr、Cu、Mn、Ni、Pb、Zn、V的空间分布特征,并采用相关分析、因子分析和聚类分析等多元统计方法探究西安市二环内城市表层土壤中8种重金属元素的来源。结果表明,西安市二环内表层土壤中Co、Cr、Cu、Pb、Zn具有明显的高值带和高值区,而Mn、Ni、V在西安市二环内表层土壤中均匀分布,空间差异不大。多元统计分析表明,西安市二环内表层土壤中Co、Cr、Cu、Pb、Zn的累积主要受交通、工业生产,以及废弃物堆放等人类活动影响;Mn、Ni、V的累积则主要受成土母质影响。
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