干旱区生态环境知识资源中心(Arid): Toxic metal enrichment characteristics and sources of arid urban surface soil in Yinchuan City,China

Arid

	Toxic metal enrichment characteristics and sources of arid urban surface soil in Yinchuan City,China
	Zhang Mingxin; Lu Xinwei; Shi Dongqi; Pan Huiyun
来源期刊	Journal of Arid Land
ISSN	1674-6767
出版年	2018
卷号	10 期号:4 页码:653-662
英文摘要	To investigate the environmental quality of the urban surface soil in Yinchuan City,the capital of Ningxia Hui Autonomous Region(Ningxia),China,we sampled surface soil and measured the concentrations of 8 toxic metals(Pb,Cr,Cu,Zn,Co,Bi,Ni and V) using X-ray fluorescence spectrometry.The enrichment characteristics and sources of these toxic metals in the soil were analyzed by the enrichment factor(EF) and multivariate statistical analysis.The results showed that the mean concentrations of these toxic metals in the soil samples were 25.0,109.1,16.8,26.0,37.2,2.7,25.3 and 59.9 mg/kg for Pb,Cr,Cu,Zn,Co,Bi,Ni and V,respectively,which were 1.2,1.8,0.8,0.4,3.2,8.7,0.7 and 0.8 times of the corresponding background values of Ningxia soil,respectively.The variations of Pb,Zn,Co,Bi and Ni concentrations in the surface soil of Yinchuan were larger than those of the other metals.Our results also showed that the toxic metals investigated in the soil had different enrichment levels.Both Co and Bi were significantly enriched,whereas Cr was only moderately enriched in the soil.There was a deficiency or minimal enrichment of the other toxic metals in the soil.Source analysis results based on the concentration,enrichment characteristics and multivariate statistical analysis indicated that Cr,V and Ni originated from a combination of fossil fuel combustion,traffic pollution and natural occurrence.Pb,Cu and Zn were predominantly derived from natural and traffic sources,while Co and Bi primarily originated from construction sources.
英文关键词	toxic metals urban surface soil enrichment factor arid area Northwest China
类型	Article
语种	英语
开放获取类型	Bronze
收录类别	CSCD
WOS研究方向	Environmental Sciences & Ecology
CSCD记录号	CSCD:6283205
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335982
作者单位	Zhang Mingxin, Department of Environmental Science,School of Geography and Tourism,Shaanxi Normal University;;School of Resource and Environment,Ningxia University, ;;, Xi'an;;Yinchuan, ;; 710119;;750021.; Lu Xinwei, Department of Environmental Science,School of Geography and Tourism,Shaanxi Normal University, Xi'an, Shaanxi 710119, China.; Shi Dongqi, Department of Environmental Science,School of Geography and Tourism,Shaanxi Normal University, Xi'an, Shaanxi 710119, China.; Pan Huiyun, Department of Environmental Science,School of Geography and Tourism,Shaanxi Normal University;;Institute of Resources and Environment,Henan Polytechnic University, ;;, Xi'an;;Jiaozuo, ;; 710119;;454000.
推荐引用方式 GB/T 7714	Zhang Mingxin,Lu Xinwei,Shi Dongqi,et al. Toxic metal enrichment characteristics and sources of arid urban surface soil in Yinchuan City,China[J],2018,10(4):653-662.
APA	Zhang Mingxin,Lu Xinwei,Shi Dongqi,&Pan Huiyun.(2018).Toxic metal enrichment characteristics and sources of arid urban surface soil in Yinchuan City,China.Journal of Arid Land,10(4),653-662.
MLA	Zhang Mingxin,et al."Toxic metal enrichment characteristics and sources of arid urban surface soil in Yinchuan City,China".Journal of Arid Land 10.4(2018):653-662.