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A model of the fate of polycyclic aromatic hydrocarbons in the Saguenay Fjord, Canada

✍ Scribed by Rebecca Lun; Kenneth Lee; Lisa De Marco; Czesia Nalewajko; Donald Mackay

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
167 KB
Volume
17
Category
Article
ISSN
0730-7268

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✦ Synopsis

A comprehensive mass balance model is described that simulates the fate of polycyclic aromatic hydrocarbons (PAHs) in the Saguenay Fjord in eastern Quebec, Canada. The receiving environment is segmented into five compartments that are connected by upstream and downstream flows. Each segment consists of a layer of surficial sediment and a water column exposed to the atmosphere. The steady state model provides a method by which defined loadings of PAHs from the atmosphere and industrial sources are combined with other input parameters such as advective flow and atmospheric deposition rates to deduce quantities, concentrations, and transport and transformation rates. Results are presented for naphthalene, phenanthrene, and benzo[a]pyrene. The overall environmental pathways and simulation results are discussed. The simulated concentrations of benzo[a]pyrene in the sediment ranged from 100 to 315 ng/g, which are in good agreement with reported measurements.

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