摘要
本文以长春莲花山农用地表层土壤为研究对象,选取土壤中常见的部分重金属污染物Cd、Hg、Pb、As、Cu、Cr、Zn、Ni为评价因子,采用复合指数法对研究区进行土壤环境质量评价,并依据土壤污染风险筛选值对研究区土壤污染风险管控类型进行划分。结果表明,研究区内只存在单一元素污染区域,分别为Cd、Pb元素污染,污染面积占研究区总面积的6.41%,污染等级为轻度污染,区内未污染区域的等级均为警戒;作为评价因子的8种重金属元素含量均低于农用地土壤污染风险筛选值,莲花山全区土壤风险管控类型均为优先保护类。
Taking the surface soil of the agricultural land in Lianhua Mountain in Changchun as the research object,this paper selected some common heavy metal pollutants in the soil Cd,Hg,Pb,As,Cu,Cr,Zn,Ni as evaluation factors,and used the composite index method to evaluate the soil environmental quality in the study area,and classified the soil pollution risk management and control types in the study area according to the soil pollution risk screening value.The results show that there are only single element pollution areas in the study area,namely Cd and Pb element pollution,the polluted area accounts for 6.41%of the total area of the study area,and the pollution level is lightly polluted,the levels of uncontaminated areas in the zone are all alert.The contents of the eight heavy metal elements used as evaluation factors are all lower than the soil pollution risk screening value of agricultural land,and the soil risk management and control types of the entire Lianhuashan area are all priority protection categories.
作者
常翠
于慧明
孙岐发
Chang Cui;Yu Huiming;Sun Qifang(Zhangzhou College of Science&Technology,Zhangzhou 363202,China;Shenyang Geological Survey Center,CGS,Shenyang 110034,China)
出处
《中国资源综合利用》
2020年第9期27-30,34,共5页
China Resources Comprehensive Utilization
基金
中国地质调查局项目“长吉经济圈地质环境综合调查”(项目编号:DD20160265)的阶段性研究成果之一。
关键词
长春莲花山
土壤环境质量评价
复合指数
土壤污染风险管控
Lianhuashan in Changchun
soil environmental quality evaluation
complex indexes
soil pollution risk control
