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开滦矿区煤伴生元素土壤地球化学分布模式及成因

张秀芝 魏静 葛秀珍 王志军 谢伟明

张秀芝, 魏静, 葛秀珍, 王志军, 谢伟明. 开滦矿区煤伴生元素土壤地球化学分布模式及成因[J]. 环境科学研究, 2012, 25(10): 1140-1147.
引用本文: 张秀芝, 魏静, 葛秀珍, 王志军, 谢伟明. 开滦矿区煤伴生元素土壤地球化学分布模式及成因[J]. 环境科学研究, 2012, 25(10): 1140-1147.
ZHANG Xiu-zhi, WEI Jing, GE Xiu-zhen, WANG Zhi-jun, XIE Wei-ming. Geochemical Distribution and Genesis of Se and Associated Elements in Soil of Kailuan Coal Field[J]. Research of Environmental Sciences, 2012, 25(10): 1140-1147.
Citation: ZHANG Xiu-zhi, WEI Jing, GE Xiu-zhen, WANG Zhi-jun, XIE Wei-ming. Geochemical Distribution and Genesis of Se and Associated Elements in Soil of Kailuan Coal Field[J]. Research of Environmental Sciences, 2012, 25(10): 1140-1147.

开滦矿区煤伴生元素土壤地球化学分布模式及成因

基金项目: 河北省农业地质调查项目(200414200007)

Geochemical Distribution and Genesis of Se and Associated Elements in Soil of Kailuan Coal Field

  • 摘要: 唐山开滦煤矿已有百余年的开采史. 经河北平原多目标区域地球化学调查发现,Se、Hg、Mo、Zn和U等微量元素在矿区表层土壤(0~20 cm)中呈异常分布,故利用相关性分析、多元统计分析等地球化学方法,研究Se、Hg、Mo等微量元素土壤地球化学空间分布模式及其成因. 结果表明:以Se元素为代表的土壤微量元素异常与煤田分布范围几乎一致,Se、Hg和Mo等微量元素只在表层土壤富集. 土壤中Se与有机碳(OC)、S等煤炭伴生元素呈高度正相关,R(相关系数)分别为0.88和0.77. 煤炭开采、运输产生的扬尘以及燃煤产生的烟尘是形成Se、Hg等微量元素表层土壤异常分布的主要原因.

     

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出版历程
  • 收稿日期:  2011-12-07
  • 修回日期:  2012-06-15
  • 刊出日期:  2012-10-25

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