Temporal trends and bioavailability assessment of heavy metals in the sediments of Deception Bay, Queensland, Australia

Brady, James P., Ayoko, Godwin A., Martens, Wayde N., & Goonetilleke, Ashantha (2014) Temporal trends and bioavailability assessment of heavy metals in the sediments of Deception Bay, Queensland, Australia. Marine Pollution Bulletin, 89(1-2), pp. 464-472.

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Abstract

Thirteen sites in Deception Bay, Queensland, Australia were sampled three times over a period of 7 months and assessed for contamination by a range of heavy metals, primarily As, Cd, Cr, Cu, Pb and Hg. Fraction analysis, enrichment factors and Principal Components Analysis-Absolute Principal Component Scores (PCA-APCS) analysis were conducted in order to identify the potential bioavailability of these elements of concern and their sources. Hg and Te were identified as the elements of highest enrichment in Deception Bay while marine sediments, shipping and antifouling agents were identified as the sources of the Weak acid Extractable Metals (WE-M), with antifouling agents showing long residence time for mercury contamination. This has significant implications for the future of monitoring and regulation of heavy metal contamination within Deception Bay.

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6 citations in Web of Science®

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ID Code: 79646
Item Type: Journal Article
Refereed: Yes
Keywords: Heavy metal pollution, Heavy metal enrichment, Heavy metal distribution, Deception Bay, fraction analysis, Fraction analysis, Source apportionment
DOI: 10.1016/j.marpolbul.2014.09.030
ISSN: 0025-326X
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Water Quality Engineering (090508)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Elsevier Ltd.
Copyright Statement: NOTICE: this is the author’s version of a work that was accepted for publication in Marine Pollution Bulletin. 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 Marine Pollution Bulletin, Volume 89, Issues 1–2, (15 December 2014), DOI: 10.1016/j.marpolbul.2014.09.030
Deposited On: 23 Dec 2014 22:38
Last Modified: 20 Jan 2015 05:49

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