引用本文:赵小健.基于Hakanson潜在生态风险指数的某垃圾填埋场土壤重金属污染评价[J].环境监控与预警,2013,5(4):43-49
ZHAO Xiao jian.Pollution Evaluation of Heavy Metals in Soil of Landfill Site Based on the Potential Ecological Risk Index Proposed by HAKANSON[J].Environmental Monitoring and Forewarning,2013,5(4):43-49
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基于Hakanson潜在生态风险指数的某垃圾填埋场土壤重金属污染评价
赵小健
扬州市环境监测中心站
摘要:
将Hakanson提出的潜在生态风险指数法应用于垃圾填埋场及周边土壤重金属污染评价,扩充了评价因子,确定了各重金属的毒性系数及参比值。研究结果表明,评价区土壤中Hg的潜在生态风险较重,其后依次为Cd、As、Ni、Cu、Pb、Co、Cr、Mn和Zn。对污染场地的风险评估及生态修复有一定的指导意义。
关键词:  潜在生态风险指数  垃圾填埋场  土壤污染  重金属
DOI:
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基金项目:
Pollution Evaluation of Heavy Metals in Soil of Landfill Site Based on the Potential Ecological Risk Index Proposed by HAKANSON
ZHAO Xiao jian
Yangzhou Environmental Monitoring Central Station
Abstract:
The pollution situation of heavy metals in soil of landfill site and its surrounding was evaluated with the method of potential ecological risk index proposed by Hakanson. The evaluation factor was expanded and the toxic coefficients and reference values of the various heavy metals were ascertained. The results showed that the risk level of Hg was more serious, followed by Cd, As, Ni, Cu, Pb, Co, Cr, Mn and Zn in the order. This study has certain guiding significance for risk assessment and ecological restoration of contaminated sites.
Key words:  potential ecological risk index  landfill site  soil contamination  heavy metals