贵阳市花溪区废弃煤矿周边土壤中重金属含量分析

Guizhou Agricultural Sciences(2010)

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Abstract
通过对采自花溪区麦坪废弃煤矿周边的18个土样进行测定,初步分析了土壤中Hg、As、Cr和Pb的含量,结果表明,不同的土地利用类型其元素的含量不同,主要表现为旱地小于荒地。Hg、As含量与矸石堆的距离存在正相关性。同时采用单因子污染指数法和综合污染指数法,利用全国土壤背景值和贵州土壤背景值对各元素的污染程度进行了评价。
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Key words
pollution assessment,abandoned mine,Huaxi district,heavy metal content
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