摘要
本文通过调查研究分析 ,对兰州市表层土壤重金属 (Cu、Zn、Pb)含量的空间变化及污染程度进行了评价 ,探讨分析了交通、工业活动以及绿化带对城市重金属污染的影响。结果表明 ,兰州市表层土壤除个别点外均已受到重金属污染 ,其污染程度取决于交通所产生的汽车尾气、扬尘 ;另外 。
In order to study the distribution of heavy metals and assess the heavy metals (Cu,Zn,Pb)pollution existedin top soils in Lanzhou, detailed investigation ,research and analysis were taken in the research.Then the influence of traffic,industrial activities and green belt to the pollution of heavy metal in city were discussed. All these results showed that top soils in Lanzhou had been polluted by heavy metal .the extent of it was influenced by the exhaust gas of automobile and the dust which were result of traffic ,in addition ,The influence of the green belt and industrial activities was also quite obvious .
出处
《干旱区资源与环境》
CSSCI
CSCD
2004年第S2期28-31,共4页
Journal of Arid Land Resources and Environment
基金
兰州大学人才引进基金资助
关键词
表层土壤
铜
锌
铅
污染评价
兰州市
top soil
Cu
Zn
Pb
pollution assessment
Lanzhou city