A study on concentration and distribution characteristics of heavy metals in surface sediment of the Shantou Estuary in China

QIAO Yong-min; HUANG Chang-jiang

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QIAO Yong-min, HUANG Chang-jiang. A study on concentration and distribution characteristics of heavy metals in surface sediment of the Shantou Estuary in China[J]. Haiyang Xuebao, 2009, 31(1): 106-116.

Citation:

QIAO Yong-min, HUANG Chang-jiang. A study on concentration and distribution characteristics of heavy metals in surface sediment of the Shantou Estuary in China[J]. Haiyang Xuebao, 2009, 31(1): 106-116.

Citation:

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A study on concentration and distribution characteristics of heavy metals in surface sediment of the Shantou Estuary in China

QIAO Yong-min¹,
HUANG Chang-jiang²

1.
Institute of Hydrobiology, Jinan University, Guangzhou 510632, China
2.
School of Environmental Science and Public Health, Wenzhou Medical College, Wenzhou 325035, China

Received Date: 2007-07-26
Rev Recd Date: 2008-12-21

Abstract

Abstract

Contents of fine grain-size,total organic matter,aluminum,iron,manganese,copper,zinc, lead,cadmium,chromium,nickel and cobalt were determined for 13 surface sediments collected from the Shantou Estuary in Guangdong Province,China in September of 2002,and the relationships of one to another among them and their distributional charact eristics were analyzed.Meanwhile,the enrichment factor of some major heavy metals in the surface sediment of Shantou Estuary was calculated according to their background value in the South China Sea.The result suggested that content ranges of iron,manganese, copper,zinc,lead,cadmium,chromium,nickel and cobalt were 2.91%~3.94%,427.85~810.96, 24.43~79.49,84.83~248.50,35.56~50.25,0.30~1.75,36.11~74.22,16.99~31.69,8.22~10.87 mg/kg,and their distribution pattern showed a decrease trend as waves from out fall of the Rongjiang River to the mouth of Shantou Estuary(exept manganese).The enrichment factor of each heavy metal were higher than one,and showed an order copper graater than cadmium graater than lead graater than zinc graater than nickel graater than chromium graater than manganese.For most heavy metals,their distribution characteristics were controlled by anthropogenic pollution,hydrodynamic process,clay and salinity.As for the element manganese,redox conditions probably play an important role in controlling distribution pattern.
- heavy metals,
- content and distributional characteristics,
- Shantou Esturay in Guangdong Province

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References(27)

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