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

Journal Article · · Environmental Toxicology and Chemistry
 [1];  [2]; ;  [3];  [1]
  1. Univ. of Toronto, Ontario (Canada). Dept. of Chemical Engineering and Applied Chemistry
  2. Dept. of Fisheries and Oceans, Mont-Joli, Quebec (Canada). Inst. Maurice Lamontagne
  3. Univ. of Toronto, Scarborough, Ontario (Canada). Dept. of Botany
+ Show Author Affiliations
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.
Sponsoring Organization:
USDOE
OSTI ID:
571692
Journal Information:
Environmental Toxicology and Chemistry, Journal Name: Environmental Toxicology and Chemistry Journal Issue: 2 Vol. 17; ISSN ETOCDK; ISSN 0730-7268
Country of Publication:
United States
Language:
English

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Related Subjects

54 ENVIRONMENTAL SCIENCES
ENVIRONMENTAL TRANSPORT
MATHEMATICAL MODELS
POLYCYCLIC AROMATIC HYDROCARBONS
QUEBEC
SEDIMENTS
WATER POLLUTION