Distribution of black carbon and PAHs in sediments of Peninsular Malaysia

Concentrations, sources and interactions between black carbon (BC) and polycyclic aromatic hydrocarbons (PAHs) were investigated in 42 sediment samples collected from riverine, coastal and shelf areas in Peninsular Malaysia. The concentrations of BC measured by benzene polycarboxylic acid (BPCA) met...

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Bibliographic Details
Published in:Marine pollution bulletin 2021-11, Vol.172, p.112871, Article 112871
Main Authors: Vaezzadeh, Vahab, Yi, Xin, Rais, Farah Rasyidah, Bong, Chui Wei, Thomes, Margaret William, Lee, Choon Weng, Zakaria, Mohamad Pauzi, Wang, Ai Jun, Zhong, Guangcai, Zhang, Gan
Format: Article
Language:English
Subjects:
Aromatic compounds
Aromatic hydrocarbons
Benzene
Benzene polycarboxylic acids
Black carbon
Carbon
Carbon - analysis
Coefficients
Correlation coefficient
Correlation coefficients
Environmental Monitoring
Fluvial sediments
Geologic Sediments
Malaysia
Organic carbon
PAHs
Polycarboxylic acids
Polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons - analysis
Ratios
Sediment
Sediment samplers
Sediment samples
Sediments
Sorption
Southeast Asia
Spatial variations
TOC
Total organic carbon
Water Pollutants, Chemical - analysis
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Summary:Concentrations, sources and interactions between black carbon (BC) and polycyclic aromatic hydrocarbons (PAHs) were investigated in 42 sediment samples collected from riverine, coastal and shelf areas in Peninsular Malaysia. The concentrations of BC measured by benzene polycarboxylic acid (BPCA) method and PAHs showed broad spatial variations between the relatively pristine environment of the East coast and developed environment of the West and South coast ranging from 0.02 to 0.36% dw and 57.7 ng g-1 dw to 19,300 ng g-1 dw, respectively. Among diagnostic ratios of PAHs, the ratios of Ant/(Ant+Phe) and LMW/HMW drew the clearest distinctions between the East coast versus the West and South coast sediments indicating the predominance of petrogenic sources in the former versus pyrogenic sources in the latter. PAHs significantly correlated with BC and total organic carbon (TOC) in the sediments (p 
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2021.112871