Past 140-year environmental record in the northern South China Sea : evidence from coral skeletal trace metal variations
Song, Yinxian, Yu, Kefu, Zhao, Jianxin, Feng, Yuexing, Shi, Qi, Zhang, Huiling, Ayoko, Godwin A., & Frost, Ray L. (2014) Past 140-year environmental record in the northern South China Sea : evidence from coral skeletal trace metal variations. Environmental Pollution, 185, pp. 97-106.
About 140-year changes in the trace metals in Porites coral samples from two locations in the northern South China Sea were investigated. Results of PCA analyses suggest that near the coast, terrestrial input impacted behavior of trace metals by 28.4%, impact of Sea Surface Temperature (SST) was 19.0%, contribution of war and infrastructure were 14.4% and 15.6% respectively. But for a location in the open sea, contribution of War and SST reached 33.2% and 16.5%, while activities of infrastructure and guano exploration reached 13.2% and 14.7%. While the spatiotemporal change model of Cu, Cd and Pb in seawater of the north area of South China Sea during 1986–1997 were reconstructed. It was found that in the sea area Cu and Cd contaminations were distributed near the coast while areas around Sanya, Hainan had high Pb levels because of the well-developed tourism related activities.
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|Item Type:||Journal Article|
|Keywords:||Coral, South China Sea, Trace metals, Chemometrics, Spatiotemporal change model|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2013 Elsevier Ltd.|
|Copyright Statement:||NOTICE: this is the author’s version of a work that was accepted for publication in Environmental Pollution. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Environmental Pollution, [Volume 185, (February 2014)] DOI: 10.1016/j.envpol.2013.10.024|
|Deposited On:||08 Jan 2014 01:52|
|Last Modified:||24 Mar 2016 10:51|
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