Investigation and Assessment on Pollution of Soil Heavy Metals in Xiangtan City
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    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].水土保持通报英文版,2008,(3):133-137

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History
  • Received:October 11,2007
  • Revised:December 19,2007
  • Adopted:
  • Online: November 26,2014
  • Published: