Ecological risk assessment of heavy metals in soils surrounding oil waste disposal areas

被引：26

作者：

Xu, Jianling ^{[1
]}

Wang, Hanxi ^{[1
]}

Liu, Yuanyuan ^{[1
]}

Ma, Mengchao ^{[1
]}

Zhang, Tian ^{[1
]}

Zheng, Xiaoxue ^{[1
]}

Zong, Meihan ^{[1
]}

机构：

[1] NE Normal Univ, State Environm Protect Key Lab Wetland Ecol & Veg, Sch Environm, Changchun 130117, Peoples R China

来源：

ENVIRONMENTAL MONITORING AND ASSESSMENT | 2016年 / 188卷 / 02期

关键词：

Heavy metals; Oil waste; Ecological risk assessment; ArcGIS; Spatial distribution; POLLUTION;

D O I：

10.1007/s10661-016-5093-x

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

More attention is being devoted to heavy metal pollution because heavy metals can concentrate in higher animals through the food chain, harm human health and threaten the stability of the ecological environment. In this study, the effects of heavy metals (Cu, Cr, Zn, Pb, Cd, Ni and Hg) emanating from oil waste disposal on surrounding soil in Jilin Province, China, were investigated. A potential ecological risk index was used to evaluate the damage of heavy metals and concluded that the degree of potential ecological damage of heavy metals can be ranked as follows: Hg > Cd > Pb > Cu > Ni > Cr > Zn. The average value of the potential ecological harm index (Ri) is 71.93, thereby indicating light pollution. In addition, this study researched the spatial distribution of soil heavy metals by means of ArcGIS (geographic information system) spatial analysis software. The results showed that the potential ecological risk index (R) of the large value was close to the distance from the oil waste disposal area; it is relatively between the degree of heavy metals in soil and the distance from the waste disposal area.

引用

页码：1 / 10

页数：10

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