NDLI: The distribution and speciation of trace metals in surface sediments from the Pearl River Estuary and the Daya Bay, Southern China.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Yu, Xiujuan Yan, Yan Wang, Wen-Xiong
Spatial Coverage	China
Description	Country affiliation: China Author Affiliation: Yu X ( South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China.)
Abstract	Surface sediments collected from the Pearl River Estuary (PRE) and the Daya Bay (DYB) were analyzed for total metal concentrations and chemical phase partitioning. The total concentrations of Cr, Cu, Ni, Pb, and Zn in the PRE were obviously higher than those in DYB. The maximum concentrations of trace metals in DYB occurred in the four sub-basins, especially in Dapeng Cove, while the concentrations of these metals in the western side of the PRE were higher than those in the east side. Such distribution pattern was primarily due to the different hydraulic conditions and inputs of anthropogenic trace metals. The chemical partitioning of metals analyzed by the BCR sequential extraction method showed that Cr, Ni, and Zn of both areas were present dominantly in the residual fraction, while Pb was found mostly in the non-residual fractions. The partitioning of Cu showed a significant difference between the two areas.
File Format	HTM / HTML
ISSN	0025326X
Issue Number	8
Volume Number	60
e-ISSN	18793363
Journal	Marine Pollution Bulletin
Language	English
Publisher	Elsevier
Publisher Date	2010-08-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Biology Environmental Monitoring Geologic Sediments Chemistry Metals Analysis Water Pollutants, Chemical China Rivers Seawater Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Aquatic Science Oceanography

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