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-  2003 

天津市不同土地利用类型土壤中多环芳烃的含量特征

DOI: 10.11821/yj2003030012

Keywords: 天津,土地利用类型,土壤,多环芳烃

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Abstract:

摘要: 本文分析了天津不同土地利用类型表层土壤若干多环芳烃组分的含量特征及污染水平。结果显示,城市绿地土壤中多环芳烃的含量最高,污灌农田土壤中一些组分的含量也较高,但多数组分与普通农田、荒地等其他土地利用类型相差不大;在6种土地利用类型中,低环/高环在大部分地区小于1,说明天津地区多环芳烃污染主要以燃烧源为主。芘/苯并(a)芘参数值则反映出市区绿地土壤受交通污染的影响比较大;各种土地利用类型土壤表层均受到了一定程度的多环芳烃污染,其中城市绿地土壤污染程度较为严重

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