四川环境2018，Vol.37Issue(1)：125-128,4.
城市道路两侧土壤重金属分布特征及生态风险评价
Distribution and Ecological Risk Assessment of Soil Heavy Metals in Urban Road of Lvliang
摘要
Abstract
By collecting the soil on both sides of Road G209 in Lvliang City,the distribution characteristics of Zn,Cu,Ni,and Pb in soil were studied,the ecological risk was evaluated by single factor pollution index method and Nemerow comprehensive index method.Results showed that the further the straight line of the sampling point from the road,the lower the soil heavy metal content was,and the heavy metals mainly concentrated in arable stratum (0 ～20m),and presented an obvious vertical decreasing trend.Soil heavy metal pollution levels were as follow,Pb (moderate pollution) ＞ Cu (slight pollution) ＞ Ni (slight pollution) ＞Zn (uncontaminated),the ecological risk of these heavy metals was V,which belongs to heavy pollution level.The emission of automobile exhaust is the main source of pollution,and the application of pesticides and fertilizers is also the main sources of pollution for agricultural land.关键词
道路/重金属/分布特征/风险评价Key words
Road/heavy metal/distribution characteristics/risk assessment分类
资源环境引用本文复制引用
武瑞平,王莹,张婷瑜,赵雪芹,郑雅莉..城市道路两侧土壤重金属分布特征及生态风险评价[J].四川环境,2018,37(1):125-128,4.基金项目
校内青年基金项目(ZRQN201601) （ZRQN201601）
山西省教育厅应用型化工类专业无机化学课程改革研究(J2017125) （J2017125）
山西省教育厅“1331工程”优势特色学科:材料科学与工程(2050205高等教育). （2050205高等教育）
