A critical and comparative appraisal of polycyclic aromatic hydrocarbons in sediments and suspended particulate material from a large South American subtropical estuary

被引：40

作者：

Cardoso, Fernanda D. ^{[1
]}

Dauner, Ana Lucia L. ^{[2
]}

Martins, Cesar C. ^{[3
]}

机构：

[1] Univ Fed Parana, Programa Posgrad Geol, Caixa Postal 19-001, BR-81531980 Curitiba, Parana, Brazil

[2] Univ Fed Parana, Programa Posgrad Sistemas Costeiros & Ocean, Caixa Postal 61, BR-83255916 Pontal Do Parana, PR, Brazil

[3] Univ Fed Parana, Ctr Estudos Mar, Caixa Postal 61, Pontal Do Parana, PR, Brazil

来源：

ENVIRONMENTAL POLLUTION | 2016年 / 214卷

关键词：

Polycyclic aromatic hydrocarbons; Paranagua Bay; Sediment; Suspended particulate material; Organic contamination; PEARL RIVER DELTA; ORGANIC-MATTER; SURFACE WATERS; TEMPORAL DISTRIBUTION; SW ATLANTIC; POTTER COVE; PAHS; BAY; PERYLENE; MARKERS;

D O I：

10.1016/j.envpol.2016.04.011

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The Paranagua Estuarine Complex (PEC) is an important socioeconomic estuary of the Brazilian coast that is influenced by the input of pollutants like polycyclic aromatic hydrocarbons (PAHs). Because of the apparent lack of comparative studies involving PAHs in different estuarine compartments, the aim of this study was to determine and compare PAH concentrations in surface sediment and suspended particulate material (SPM) in the PEC to evaluate their behaviour, compositions, sources and spatial distributions. The total PAH concentrations in the sediment ranged from 0.6 to 63.8 ng g(-1) (dry weight), whereas in the SPM these concentrations ranged from 391 to 4164 ng g(-1). Diagnostic ratios suggest distinct sources of PAHs to sediments (i.e., pyrolytic sources) and SPM (i.e., petrogenic sources such as vessel traffic). Thus, the recent introduction of PAHs is more clearly indicated in the SPM since oil related-compounds (e.g., alkyl-PAHs) remain present in similar concentrations. Further, this matrix may better reflect the current state of the environment at the time of sampling because of the absence of significant degradation. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：219 / 229

页数：11

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