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Journal of Zhejiang University SCIENCE A 2002 Vol.3 No.2 P.199-204


Fe2O3 as indicator of heavy metal enrichment in Zhujiang (Pearl River) estuary sediments

Author(s):  PENG Xiao-tong, ZHOU Huai-yang, PAN Jian-ming, HU Chuan-yu

Affiliation(s):  Earth Science Department, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   Pxtzju@mail, hyzhou@zgb.com.cn

Key Words:  Heavy metal pollution, Reference element, Zhujiang (Pearl River) estuary

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PENG Xiao-tong, ZHOU Huai-yang, PAN Jian-ming, HU Chuan-yu. Fe2O3 as indicator of heavy metal enrichment in Zhujiang (Pearl River) estuary sediments[J]. Journal of Zhejiang University Science A, 2002, 3(2): 199-204.

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%T Fe2O3 as indicator of heavy metal enrichment in Zhujiang (Pearl River) estuary sediments
%A PENG Xiao-tong
%A ZHOU Huai-yang
%A PAN Jian-ming
%A HU Chuan-yu
%J Journal of Zhejiang University SCIENCE A
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%DOI 10.1631/jzus.2002.0199

T1 - Fe2O3 as indicator of heavy metal enrichment in Zhujiang (Pearl River) estuary sediments
A1 - PENG Xiao-tong
A1 - ZHOU Huai-yang
A1 - PAN Jian-ming
A1 - HU Chuan-yu
J0 - Journal of Zhejiang University Science A
VL - 3
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SP - 199
EP - 204
%@ 1869-1951
Y1 - 2002
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2002.0199

A part of the heavy metals in estuary and coastal zone occurs naturally in the environment; the other part is due to human activity; so the directly measured concentration of heavy metal does not automatically indicate anthropogenic enrichment. Fe2O3 was used in this study as conservative tracer to distinguish natural components from anthropogenic components of heavy metal sediment concentration in the Zhujiang estuary. Compared with clay and Al2O3, Fe2O3 is more suitable as reference element. The final results showed that two zones in the Zhujiang estuary were seriously contaminated by heavy metals. One nearby the Humen mouth; the other around the west coast of the estuary. The horizontal distribution of heavy metals indicates that Zn, Ni and Cu have wider contaminating areas than TiO2, V and Cr in the estuary.

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