大庆市大同区四乡镇农田土壤重金属污染评价  

Evaluation of Farmland Soil Heavy Metal Pollution in Four Villages in Datong District of Daqing

作　　者：李鑫[1] 王继富[1] 陈丹宁[1] 王悦明[1] 周禹莹 

机构地区：[1]哈尔滨师范大学地理科学学院,黑龙江哈尔滨150025

出　　处：《北方园艺》2014年第19期175-178,共4页Northern Horticulture

基　　金：国家自然科学基金资助项目(41071332)

摘　　要：近年来,由于大庆市石油开采和化工业迅速发展,造成周围农田土壤重金属污染。为更好地了解这一状况,在大庆市大同区4个乡镇选取了70个样点进行采样和测试分析,利用单因子污染指数法和内梅罗综合污染指数法进行评价。结果表明:从单因子污染指数上看,4个乡镇汞因子污染相对较高,铅因子偶有超标;从综合污染指数上看,4个乡镇均存在一定的污染,其污染指数双榆树乡<太阳升镇<八井子乡<老山头乡,70个样点中61.4%属于清洁级,污染等级为安全,37.2%属于尚清洁,污染等级为警戒级,1.4%属于轻度污染。In recent years,dued to the oil exploration and the rapid development of chemical industry in Daqing city,resulted in field soil heavy metal pollution around the farmland.For better understanding of this situation,it had select 70 samples in four villages in Datong for sampling and analyzing.And it evaluated by using single-factor of pollution index method and Nemerow integrated pollution index method.The results showed that from single factor pollution index,Hg factor pollution index relative high,Pb factor pollution was occasionally exceed the standard in four Township.From integrated pollution index,they all existed soil heavy metal pollution.Its pollution index was：Shuangyushu village〈Taiyangsheng village〈Bajingzi village〈Laoshantou village,which 61.4% was clean level,the pollution level was for security,37.2%belonged to still clean,pollution level was for alert level,1.4%belonged to light pollution.

关 键 词：农田土壤 重金属 污染评价 

分 类 号：S151.95[农业科学—土壤学]