Soil Heavy Metal Contamination and Risk Assessment Around the Fenhe Reservoir, China

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• 作者：Hong Zhang (1) (2)
  Guanglei Liu (2)
  Wei Shi (2)
  Jinchang Li (2)
  
• 关键词：Heavy metals ; Sources identification ; Ecological risk ; Spatial distribution
• 刊名：Bulletin of Environmental Contamination and Toxicology
• 出版年：2014
• 出版时间：August 2014
• 年：2014
• 卷：93
• 期：2
• 页码：182-186
• 全文大小：390 KB
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• 作者单位：Hong Zhang (1) (2)
  Guanglei Liu (2)
  Wei Shi (2)
  Jinchang Li (2)
  
  1. College of Environmental Science and Resources, Shanxi University, Taiyuan, 030006, China
  2. Institute of Loess Plateau, Shanxi University, Taiyuan, 030006, China
  
• ISSN：1432-0800

文摘

Heavy metal contamination in the soil around a water source is a particularly serious issue, because these heavy metals can be transferred into the water source and can pose significant human health risks through the contamination of drinking water or farmland irrigation water. In this paper, we collected surface soil samples from the area surrounding the Fenhe Reservoir. The concentrations of As, Cd, Cr, Cu, Hg, Ni, and Zn were determined and the potential ecological risks posed by the heavy metals were quantitatively evaluated. The primary inputs for As, Ni, and Zn were natural sources, whereas the other elements were derived from mainly anthropogenic sources. Hg displays more serious environmental impacts than the other heavy metals. The upper reaches of the reservoir, located in the northwest, display a higher potential ecological risk.