INVESTIGATION OF THE HEAVY METAL CONTAMINATION OF THE SEDIMENTS FROM THE YELLOW RIVER WETLAND NATURE RESERVE OF ZHENGZHOU, CHINA

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CHENG Q.; WANG W.; WANG H.; ANG W.; ZHAO Z.

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Journal: Iranian Journal of Public Health Year:2012 | Volume:41 | Issue:3 Page(s): 26-35

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Title

INVESTIGATION OF THE HEAVY METAL CONTAMINATION OF THE SEDIMENTS FROM THE YELLOW RIVER WETLAND NATURE RESERVE OF ZHENGZHOU, CHINA

Author(s)

Keywords

THE YELLOW RIVER

WETLAND

SEDIMENT

HEAVY METAL POLLUTION

CHINA

Abstract

Background: HEAVY METAL POLLUTION in the SEDIMENT of THE YELLOW RIVER draws wide attention in the recent years. THE YELLOW RIVER WETLAND Nature Reserve of Zhengzhou is one of the major WETLANDs of the river and located at the beginning of the lower reach. In this article, we aimed to investigate the degree and the sources of the metal pollution in the reserve.Methods: Metals as Cu, Pb, Cr, Cd and Mn in the SEDIMENT were monitored using flame atomic absorption spectrometry. The index of geo-accumulation (Igeo) and the modified degree of contamination (mCd) were developed to evaluate individual metal pollution and overall enrichment impact of the elements.Results: Compared with SEDIMENT quality guidelines, the effect of Cr and Pb are more serious than others. Igeo values show Pb pollution are moderate at the Xinzhai, Langchenggang and Nansutan sites, and mCd analysis indicate the whole contamination at the Wantan, Langchenggang and Nansutan sites was low. Principal component analysis indicated that the first factor was Cu, Mn and Cd, mainly from soil erosion and the irrational use of phosphate fertilizers; the second Pb from fossil fuel burning; and the third Cr from weathering process.Conclusion: We conclude that Pb contamination is serious in the reserve, and the main sources of the metal are crude oil consumption and coal combustion of the brick kilns around. We also draw a conclusion that it is vital to evaluate contamination degree with both individual elements and overall average.

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APA: Copy

CHENG, Q., WANG, W., WANG, H., ANG, W., & ZHAO, Z.. (2012). INVESTIGATION OF THE HEAVY METAL CONTAMINATION OF THE SEDIMENTS FROM THE YELLOW RIVER WETLAND NATURE RESERVE OF ZHENGZHOU, CHINA. IRANIAN JOURNAL OF PUBLIC HEALTH, 41(3), 26-35. SID. https://sid.ir/paper/272890/en

Vancouver: Copy

CHENG Q., WANG W., WANG H., ANG W., ZHAO Z.. INVESTIGATION OF THE HEAVY METAL CONTAMINATION OF THE SEDIMENTS FROM THE YELLOW RIVER WETLAND NATURE RESERVE OF ZHENGZHOU, CHINA. IRANIAN JOURNAL OF PUBLIC HEALTH[Internet]. 2012;41(3):26-35. Available from: https://sid.ir/paper/272890/en

IEEE: Copy

Q. CHENG, W. WANG, H. WANG, W. ANG, and Z. ZHAO, “INVESTIGATION OF THE HEAVY METAL CONTAMINATION OF THE SEDIMENTS FROM THE YELLOW RIVER WETLAND NATURE RESERVE OF ZHENGZHOU, CHINA,” IRANIAN JOURNAL OF PUBLIC HEALTH, vol. 41, no. 3, pp. 26–35, 2012, [Online]. Available: https://sid.ir/paper/272890/en

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