Implementation of a 3D Coupled Hydrodynamic and Contaminant Fate Model for PCDD/Fs in Thau Lagoon (France): The Importance of Atmospheric Sources of Contamination

Sibylle Dueri, Dimitar Marinov, Annie Fiandrino, Jacek Tronczyński and José-Manuel Zaldívar
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Sibylle Dueri: European Commission, Joint Research Centre, Via E. Fermi 2749, 21027 Ispra (VA), Italy
Dimitar Marinov: European Commission, Joint Research Centre, Via E. Fermi 2749, 21027 Ispra (VA), Italy
Annie Fiandrino: Ifremer, Laboratory of Environmental Resources, Bd Jean Monnet, BP 171, 34203 Sète, France
Jacek Tronczyński: Ifremer, Laboratory of Biogeochemistry of Organic Contaminants, BP 21105, 44311 Nantes, France
José-Manuel Zaldívar: European Commission, Joint Research Centre, Via E. Fermi 2749, 21027 Ispra (VA), Italy

IJERPH, 2010, vol. 7, issue 4, 1-19

Abstract: A 3D hydrodynamic and contaminant fate model was implemented for polychlorinated dibenzo- p -dioxins and dibenzofurans (PCDD/Fs) in Thau lagoon. The hydrodynamic model was tested against temperature and salinity measurements, while the contaminant fate model was assessed against available data collected at different stations inside the lagoon. The model results allow an assessment of the spatial and temporal variability of the distribution of contaminants in the lagoon, the seasonality of loads and the role of atmospheric deposition for the input of PCDD/Fs. The outcome suggests that air is an important source of PCDD/Fs for this ecosystem, therefore the monitoring of air pollution is very appropriate for assessing the inputs of these contaminants. These results call for the development of integrated environmental protection policies.

Keywords: PCDD/F; Thau lagoon; POPs; fate model; hydrodynamic model (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2010
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