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陕西某钼矿区土壤重金属污染特征及评价

王涛 司万童 欧阳琰 李海东 沈渭寿

王涛, 司万童, 欧阳琰, 李海东, 沈渭寿. 陕西某钼矿区土壤重金属污染特征及评价[J]. 环境工程技术学报, 2019, 9(4): 440-446. doi: 10.12153/j.issn.1674-991X.2019.01.080
引用本文: 王涛, 司万童, 欧阳琰, 李海东, 沈渭寿. 陕西某钼矿区土壤重金属污染特征及评价[J]. 环境工程技术学报, 2019, 9(4): 440-446. doi: 10.12153/j.issn.1674-991X.2019.01.080
WANG Tao, SI Wantong, OUYANG Yan, LI Haidong, SHEN Weishou. Characteristic and evaluation of soil heavy metals pollution in the molybdenum mine area in Shaanxi[J]. Journal of Environmental Engineering Technology, 2019, 9(4): 440-446. doi: 10.12153/j.issn.1674-991X.2019.01.080
Citation: WANG Tao, SI Wantong, OUYANG Yan, LI Haidong, SHEN Weishou. Characteristic and evaluation of soil heavy metals pollution in the molybdenum mine area in Shaanxi[J]. Journal of Environmental Engineering Technology, 2019, 9(4): 440-446. doi: 10.12153/j.issn.1674-991X.2019.01.080

陕西某钼矿区土壤重金属污染特征及评价

doi: 10.12153/j.issn.1674-991X.2019.01.080
详细信息
    作者简介:

    王涛(1989—),男,博士,主要从事矿山生态修复与生态环境遥感监测研究,zhangbwt@163.com

    通讯作者:

    沈渭寿 E-mail: shenweishou@163.com

  • 中图分类号: X53

Characteristic and evaluation of soil heavy metals pollution in the molybdenum mine area in Shaanxi

More Information
    Corresponding author: Weishou SHEN E-mail: shenweishou@163.com
  • 摘要: 针对陕西某钼矿区不同区域进行土壤样品采集,利用单因子污染指数、内梅罗综合指数和潜在生态风险指数法进行土壤污染评价与分析。结果表明:钼矿区周边土壤重金属Zn浓度最大,Cu、Zn变异系数分别为151.75%、137.85%,属于高等变异;土壤Cu污染最为严重,重度污染率达30.00%;矿坑下游河岸区域(Q2)和露天采矿区域(Q4)土壤综合潜在生态风险指数分别为323.84和382.24,为强潜在生态风险,周边农田区域为轻微潜在生态风险;研究区土壤各重金属潜在生态风险存在一定的差异性,其中Cd和Hg具有极强的潜在生态风险;土壤重金属污染在Q2、生活区域(Q3)和Q4区域内应重点防控,其中Cu、Zn、Cd和As的危害应引起重视。今后应加强矿产开采生产活动中的生态环境管控,避免和降低重金属污染转移;同时,钼矿区及周边区域整体上土壤重金属潜在生态风险可控,后期需进一步加强重点区域的环境风险监测。

     

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  • 收稿日期:  2018-10-29
  • 刊出日期:  2019-07-20

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