DMS oxidation and turbulent transport in the marine boundary layer: A numerical study |
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Authors: | Karsten Suhre Robert Rosset |
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Institution: | (1) Laboratoire d'Aérologie, UA CNRS 354, 118, Route de Narbonne, 31062 Toulouse, France |
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Abstract: | DMS oxidation in the marine boundary layer has been simulated with a mesoscale meteorological model including detailed physical parameterizations. The impact of vertical turbulent transport on the DMS and SO2 diurnal cycles with and without in-cloud SO2 oxidation has been studied in a one-dimensional version of the model and compared to results obtained with a zero-dimensional box model. Initialisation has been done using balanced values issued from the imposed sea-air fluxes, dry deposition fluxes and chemical source/sink terms. Particular emphasis has been put on the important role played by evolving vertical mixing in the marine boundary layer. |
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Keywords: | Dimethyl sulfide coupled model mesoscale modeling turbulent transport |
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