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DOI	10.1007/s00254-007-0752-4
	Heavy metals and rare earth elements (REEs) in soil from the Nam Co Basin, Tibetan Plateau
	Li, Chaoliu; Kang, Shichang; Wang, Xiaoping; Ajmone-Marsan, F.; Zhang, Qianggong
发表日期	2008
ISSN	0943-0105
卷号	53 期号:7
英文摘要	Twenty-eight soil samples collected from the Nam Co Basin, Tibetan Plateau, have been analyzed for heavy metals (Cd, Cr, Ni, Cu, Zn, Pb and Mn), arsenic (As) and rare earth elements (REEs). In addition, for establishing the basic physio-chemical characteristics of the soil, pH, total organic concentration, electrical conductivity, and effective cation exchange capacity were measured. The results indicate that soil in the Nam Co Basin is still at an early alkaline weathering stage (pH = 7.94). Mean concentrations of heavy metals and As decreased as follows: Mn > Cr > Zn > Pb > Ni > Cu > As > Cd. The values of Cd, Cr, As, Pb and REEs in soil from the Nam Co Basin are higher relative to averaged background values over China. The chondrite-normalized diagrams of REEs suggest high REE(Sigma La -> Eu)-enrichment, HREE(Sigma Gd -> Lu)-depletion and Eu-depletion. Vertical profiles indicate that both heavy metals (except As) and REEs primarily exist in the surface soil. However, heavy metals and REEs vary in the surface soil between the southern and the northern bank of Nam Co. These differences are controlled mainly by parent materials.
关键词	heavy metals rare earth elements soil Nam Co Basin Tibetan Plateau
学科领域	Environmental Sciences & Ecology; Geology; Water Resources
语种	英语
WOS研究方向	Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
来源期刊	ENVIRONMENTAL GEOLOGY
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/111516
作者单位	CAS, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China
推荐引用方式 GB/T 7714	Li, Chaoliu,Kang, Shichang,Wang, Xiaoping,et al. Heavy metals and rare earth elements (REEs) in soil from the Nam Co Basin, Tibetan Plateau[J]. 中国科学院西北生态环境资源研究院,2008,53(7).
APA	Li, Chaoliu,Kang, Shichang,Wang, Xiaoping,Ajmone-Marsan, F.,&Zhang, Qianggong.(2008).Heavy metals and rare earth elements (REEs) in soil from the Nam Co Basin, Tibetan Plateau.ENVIRONMENTAL GEOLOGY,53(7).
MLA	Li, Chaoliu,et al."Heavy metals and rare earth elements (REEs) in soil from the Nam Co Basin, Tibetan Plateau".ENVIRONMENTAL GEOLOGY 53.7(2008).