Modelling the fate of micropollutants in the marine environment using passive sampling
| Autor: | Patrick Roose, M. Claessens, Frederik De Laender, Els Monteyne, Colin R. Janssen |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
Geologic Sediments
Environmental fate Aquatic Science Environment Oceanography Coastal zone Polycyclic Aromatic Hydrocarbons Marine environment Sediment Biota Particulates Contamination Pollution Polychlorinated Biphenyls Partition coefficient Passive sampling Models Chemical Bioaccumulation Environmental chemistry Environmental science Particulate Matter Equilibrium modelling Water Pollutants Chemical Environmental Monitoring |
| Zdroj: | Claessens, M, De Laender, F, Monteyne, E, Roose, P & Janssen, C R 2015, ' Modelling the fate of micropollutants in the marine environment using passive sampling ', Marine Pollution Bulletin, vol. 96, no. 1-2, pp. 103-109 . https://doi.org/10.1016/j.marpolbul.2015.05.040 |
| Popis: | Polydimethylsiloxane sheets were used to determine freely dissolved concentrations (Cdiss) of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) in the Belgian coastal zone. Equilibrium models were used to predict the whole water concentrations (Cww) of these compounds as well as their concentrations in sediment, suspended particulate matter (SPM) and biota. In general, contaminant concentrations were predicted well for whole water and biota. Cww was increasingly underpredicted as Koc increased, possibly because of the presence of black carbon. Concentrations in biota were overestimated by the equilibrium approach when logKow exceeded 6.5, suggesting an increasing role of transformation processes. Concentrations of PAHs and PCBs in sediment and SPM were consistently underpredicted although a good correlation between measured and predicted values was observed. This was potentially due to the use of experimental Koc values which have been found to underestimate partitioning of hydrophobic substances to sediment in field studies. |
| Databáze: | OpenAIRE |
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