Application of a mass-balance model to predict PCDD/F turnover in a Baltic coastal estuary |
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| Authors: | O. Magnus Karlsson,J. Mikael Malmaeus,Sarah Josefsson,Karin Wiberg,Lars Hå kanson |
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| Affiliation: | 1. IVL Swedish Environmental Research Institute, P.O. Box 210 60, SE-100 31 Stockholm, Sweden;2. Department of Earth Sciences, Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden;3. Department of Chemistry, Umeå University, SE-901 87 Umeå, Sweden |
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| Abstract: | A dynamical, process-based mass-balance model was applied to quantify the transports of polychlorinated-p-dibenzodioxins and dibenzofurans (PCDD/Fs) to, within and from the Kallrigafjärden Bay, a coastal estuary in the Baltic Sea, and to predict the PCDD/F levels in the water and sediments of the bay. Before the modelling, a one-year sampling programme was implemented in 2007–2008 to measure the flows of PCDD/Fs in tributaries entering the system, the fluxes from the adjacent sea and the levels in water, sediment and fish within the estuary. The collected data set was used as input data to the model and for validation purposes. |
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| Keywords: | PCDD/F dioxin mass-balance model resuspension sedimentation Baltic Sea |
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