Distributions of polycyclic aromatic hydrocarbons in the Daliao River Estuary of Liaodong Bay, Bohai Sea (China)

The distributions of 16 polycyclic aromatic hydrocarbons (PAHs) were determined in the aqueous phase, suspended particulate matter (SPM), sediment, and pore water of the Daliao River Estuary in Liaodong Bay, Bohai Sea (China). Total PAH concentrations ranged from 139.16 to 1717.87ngL−1 in surface wa...

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Bibliographic Details
Published in:Marine pollution bulletin 2009-06, Vol.58 (6), p.818-826
Main Authors: Men, Bin, He, Mengchang, Tan, Li, Lin, Chunye, Quan, Xiangchun
Format: Article
Language:English
Subjects:
Applied sciences
Brackish
China
Daliao River Estuary
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Environmental Monitoring
Exact sciences and technology
Geologic Sediments - chemistry
Marine
Natural water pollution
Oceans and Seas
PAHs
Pollution
Pollution, environment geology
Polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons - analysis
Pore water
Rivers - chemistry
Seawater - chemistry
Seawaters, estuaries
Sediment
SPM
Suspended particulate matter
Water
Water Pollutants, Chemical - analysis
Water treatment and pollution
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Summary:The distributions of 16 polycyclic aromatic hydrocarbons (PAHs) were determined in the aqueous phase, suspended particulate matter (SPM), sediment, and pore water of the Daliao River Estuary in Liaodong Bay, Bohai Sea (China). Total PAH concentrations ranged from 139.16 to 1717.87ngL−1 in surface water, from 226.57 to 1404.85ngL−1 dry weight in SPM, from 276.26 to 1606.89ngg−1 dry weight in sediments, and from 10.20 to 47.27μgL−1 in pore water. PAH concentrations were at relatively moderate levels in water, SPM, sediment and pore water in comparison with those reported for other estuary and marine systems around the world. Sedimentary PAH concentrations decreased offshore owing to active deposition of laterally-transported river-borne particles. PCA analysis of the possible PAH source suggested petrogenic and pyrolytic PAH inputs in the studied region.
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2009.01.022