Integrating hierarchical bioavailability and population distribution into potential eco-risk assessment of heavy metals in road dust: A case study in Xiandao District, Changsha city, China
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- 作者：Jinhui Huanga ; b ; huangjinhui_59@163.com" class="auth_mail" title="E-mail the corresponding author ; Fei Lia ; b ; c ; Guangming Zenga ; b ; zgming@hnu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wenchu Liua ; b ; Xiaolong Huanga ; b ; Zhihua Xiaoa ; b ; Haipeng Wua ; b ; Yanling Gua ; b ; Xue Lia ; b ; Xiaoxiao Hea ; b ; Yan Hea ; b
- 关键词：Potential eco-risk assessment ; Heavy metals ; Road dust ; Hierarchical bioavailability ; Population distribution
- 刊名：Science of the Total Environment
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：541
- 期：Complete
- 页码：969-976
- 全文大小：1798 K
文摘
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Total content based assessment of dust metals may overestimate their eco-risks.
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Metal bioavailability was integrated into Hakanson's potential eco-risk index.
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Population distribution density map was made and incorporated by 3S technology.
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Cd was identified to be priority pollutant based on Igeo,Eri and bioavailability.
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Hierarchical risk map divided XDD into 4 area types under different priorities.