Paper Title:
Accumulation Sequences of Heavy Metals in Poplar Tree-Rings in Kaifeng City, China
  Abstract

Sixteen tree-rings of Polar (P. Euramericana) were collected in the different function districts of Kaifeng City, China. Concentrations of Cu and Zn in the xylem of tree-rings from 1990 to 2009 were measured using F-AAS, and that of Co using ICP-MS. The results show that concentrations of Cu and Zn in tree-rings in the control area do not vary significantly in the period from 1990 to 2009 and much lower than that in urban areas. The accumulation sequences of Zn in tree-rings in different urban districts appear increasing trends in the period, and that of Cu present waved rising trends. The sequences of Co in tree-rings both in urban and control area had no significant change in the period. Copper and Zinc are the typical anthropogenic metals, and Co is a natural source metal. We can understand the heavy metal pollution changes in urban area from their accumulation sequences in tree-rings.

  Info
Periodical
Advanced Materials Research (Volumes 347-353)
Chapter
Chapter 3: Development and Utilization of Wind Energy
Edited by
Weiguo Pan, Jianxing Ren and Yongguang Li
Pages
2308-2312
DOI
10.4028/www.scientific.net/AMR.347-353.2308
Citation
H. J. Duan, Z. Q. Tong, J. H. Ma, "Accumulation Sequences of Heavy Metals in Poplar Tree-Rings in Kaifeng City, China", Advanced Materials Research, Vols. 347-353, pp. 2308-2312, 2012
Online since
October 2011
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$32.00
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