Potential bioavailability assessment, source apportionment and ecological risk of heavy metals in the sediment of Brisbane River estuary, Australia

Simple item page
dc.contributor.authorGoonetilleke, Ashantha
dc.date.accessioned2026-04-07T04:19:30Z
dc.date.available2026-04-07T04:19:30Z
dc.date.issued2017-04
dc.description.abstractA weak acid extraction was used to mobilize the loosely bound metals in estuary sediment samples. More than 30% of Ag, As, Ca, Cd, Co, Cu, Hg, Mn Ni, Pb and Zn were leached from the sediment showing that these metals are significantly present in the bioavailable form. PCA/APCS identified three sources of the metals, namely: lithogenic accounting for 72%, shipping related contributing 15% and traffic related representing 13% of the total load. Application of pollution index (PI) and modified pollution index (MPI) revealed that the sediment range from unpolluted to heavily polluted while ecological risk index (RI) classifies the sediment as posing low ecological risk modified ecological risk index (MRI) suggests considerable to very high ecological risk. To provide holistic insights into the ecological risks posed by metals, enrichment factor, MPI and MRI are recommended for the assessment of sediment in complex environments such as estuaries.en_US
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0025326X17301327
dc.identifier.urihttp://dspace.bits-pilani.ac.in:8080/jspui/handle/123456789/20903
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectCivil engineeringen_US
dc.subjectHeavy metalsen_US
dc.subjectBrisbane River sedimenten_US
dc.subjectPCA/APCSen_US
dc.subjectModified pollution indexen_US
dc.subjectModified ecological risk indexen_US
dc.titlePotential bioavailability assessment, source apportionment and ecological risk of heavy metals in the sediment of Brisbane River estuary, Australiaen_US
dc.typeArticleen_US

Files

Collections

Department of Civil Engineering