摘要
基于新疆且末县632组农用地表层土壤样品的8种重(类)金属元素含量(镉、汞、砷、铅、铬、铜、镍和锌)的测试结果,采用单因子指数法和内梅罗综合指数法对研究区土壤环境质量进行评价,采用Hakanson潜在生态风险指数法对研究区进行土壤潜在生态风险评价。结果表明,土壤中8种重(类)金属平均含量均未超过新疆土壤背景值。单项污染指数均值由高到低依次为:As>Cd>Zn=Cr>Cu>Ni>Pb>Hg,8种重(类)金属综合污染指数均值为0.324,属于安全;8种重(类)金属的平均内梅罗指数达到0.754。土壤潜在生态风险评价结果表明,且末县农用地表层土壤整体上存在轻微生态风险。
Based on the testing results of eight heavy metals(metalloid)in632soil samples collected from agricultural land in Qiemo County of Xinjiang,China,the data were measured and analyzed for the soil environmental quality assessment in the study area by the single factor index method and the Nemerow integrated index method.And the ecological risks of heavy metals(metalloid)in soil of the study area were evaluated by Hakanson potential ecological risk index method.The results showed that the average contents of eight heavy metals(metalloid)were lower than the soil background value of Xinjiang.The average value of single pollution index from high to low in order was:As>Cd>Zn=Cr>Cu>Ni>Pb>Hg,and the average value of comprehensive pollution index of8heavy metals was0.324,which was in the range of safety.The average Nemerow index of eight heavy metals(metalloid)reached0.754,In addition,the soil potential ecological risk assessment results showed that there was a slight ecological risk in the topsoil of the agricultural land in Qiemo County.
作者
顾思博
周金龙
曾妍妍
陈云飞
王松涛
杜江岩
GU Si-bo;ZHOU Jin-long;ZENG Yan-yan;CHEN Yun-fei;WANG Song-tao;DU Jiang-yan(College of Water Conservancy and Civil Engineering, Xinjiang Agricultural University,Urumqi 830052,China;Xinjiang Hydrology and Water Resources Engineering Research Center,Urumqi 830052,China;No.2 Hydrogeology and Engineering Geology Party of Xinjiang Bureau of Geology and Mineral Resources Exploration and Development,Changji 831100,China)
出处
《新疆农业大学学报》
CAS
2018年第2期145-150,共6页
Journal of Xinjiang Agricultural University
基金
中央返还两权款资金项目(S15-1-LQ)
关键词
土壤重(类)金属
环境质量
潜在生态风险
内梅罗综合指数法
且末县
soil heavy metal (metalloid)
environmental quality
potential ecological risk
Nemerow integrated index method
Qiemo County
