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地球学报  2011 

华北平原土壤环境重金属元素分布规律及其意义

DOI: 10.3975/cagsb.2011.06.11

Keywords: 重金属,地球化学图,元素,华北平原

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Abstract:

为全面深入掌握华北平原的重金属元素分布状况,本文以2002年以来在华北平原范围内的3省2市开展的区域土壤地球化学调查数据为基础,制得华北平原区域内As、Hg、Cr、Cu、Ni、Pb、Zn等7种重金属元素的土壤环境地球化学图。本文分析了该7种重金属元素在华北平原的分布规律,并分析了成因。在7种重金属元素的基础上,本文还制得华北平原土壤环境重金属元素的综合评价图。本文对该土壤环境综合评价图进行了分析,综合表达了重金属元素在华北平原的总体分布状况。土壤环境元素地球化学图与综合图共同分析得出的结论可以为农业、环保、医疗及相关政府决策部门提供重要依据。

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