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Journal of Environmental and Public Health
Volume 2013 (2013), Article ID 142065, 8 pages
http://dx.doi.org/10.1155/2013/142065
Review Article

The Distributional Characteristics of Heavy Metal in Jiangsu Province Shoal Sea

1Key Laboratory of Meteorological Disaster of Ministry of Education, Nanjing University of Information & Technology, Nanjing 210044, China
2Hohai University, Key Laboratory of Coastal Disaster, Nanjing 210093, China
3Ministry of Education Key Laboratory for Coast and Islands Development, Nanjing University, Nanjing 210093, China

Received 21 December 2012; Revised 23 February 2013; Accepted 23 February 2013

Academic Editor: David O. Carpenter

Copyright © 2013 Yu Wenjin and Zou Xinqing. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

After the analysis of surface samples and core samples collected in Xinyanggang tidal land, the contents of Pb, Cu, Zn, and Cr were obtained and analyzed in this paper. The heavy metal accumulation rule and pollution status were studied by Index of geo-accumulation, latent ecological risk index method, and elements accumulation index method. The research suggests that (1) the contents of heavy metal Pb, Cu, Zn, and Cr in Xinyanggang tidal land have the same change trend, and such trend remains unchanged after the data were normalized, while the fluctuation range becomes smaller. (2) After analyzing the heavy metal content in the surface samples, it was revealed that the contents of heavy metals are getting lower from high tidal zone to low tidal zone, but the ranges of the change were different. Cu, Ni, and Zn emerge obvious decline from supratidal zone to subtidal zone, while the changes of Cr and Pb are not obvious. (3) Pb and Cr contents in Xinyanggang tidal land present accumulative character, as Pb in Xinyanggang is 3 times as much as the local background value, whose EF reaches 3.774. (4) RI value in Xinyanggang is 23.552, which indicates that though Xinyanggang tidal land has some heavy metal pollution and accumulation, there are no ecosystem risks, and the whole Xinyanggang core area environment quality is relatively good.