湖南湘潭市土壤重金属污染调查与评价
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国土资源部中国地质调查局项目“湖南省洞庭湖生态地球化学调查”(200314200021)


Investigation and Assessment on Pollution of Soil Heavy Metals in Xiangtan City
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    摘要:

    对湘潭市土壤、不同土地利用类型及不同土壤类型土壤重金属Cu,Pb,Zn,Cd,Cr,Hg,As污染现状进行了调查和分析。结果表明,湘潭市54个样本中镉、汞2种重金属属于重污染;铜、锌属于中污染;铬属于轻度污染;铅、砷属于尚清洁区。不同土地利用类型土壤中镉、汞污染严重,介于重污染与中污染之间,铅属清洁区或尚清洁区,其余介于轻度污染与尚清洁区之间。不同类型土壤中镉、汞污染严重,属重污染,锌属中污染,铅属清洁区或尚清洁区,其余介于轻度污染与尚清洁区之间。总之,湘潭市镉、汞污染严重,污染可能由工业三废、汽车尾气、化肥和污水灌溉造成的。

    Abstract:

    The pollution status of soil heavy metals(Cu,Pb,Zn,Cd,Cr,Hg,and As) under different landuse types and different soil types in Xiangtan City was investigated.Results showed that for the 54 samples,pollution by Cd and Hg was in a heavy stage,pollution by Cu and Zn reached a moderate stage,pollution by Cr was in a light stage,and pollution by Pb and As were still in a proximity clean zone.For different landuse types,pollution by Cd and Hg was most serious,which was between medium and heavy pollution stages,pollution by Pb stayed in a clean zone or proximity clean zone,and pollution by other metals was in a slight or proximity clean zone.For different soil types,pollution by Cd and Hg were heavy,pollution by Zn was moderate,pollution by Pb was in a clean or proximity zone,and pollution by other heavy metals was between slight and proximity clean zones.As a whole,pollution by heavy metals of Cd and Hg is heavy in Xiangtan City,which is probably caused by the "three wastes",automobile exhaust,fertilizer application,and sewage irrigation.

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息朝庄,戴塔根,张惠军,刘悟辉.湖南湘潭市土壤重金属污染调查与评价[J].水土保持通报,2008,(3):133-137

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  • 收稿日期:2007-10-11
  • 最后修改日期:2007-12-19
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  • 在线发布日期: 2014-11-26
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