DMS oxidation and turbulent transport in the marine boundary layer: A numerical study

Karsten Suhre, Robert Rosset

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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.

Original languageEnglish
Pages (from-to)379-395
Number of pages17
JournalJournal of Atmospheric Chemistry
Volume18
Issue number4
DOIs
Publication statusPublished - 1 May 1994

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Keywords

  • Dimethyl sulfide
  • coupled model
  • mesoscale
  • modeling
  • turbulent transport

ASJC Scopus subject areas

  • Environmental Chemistry
  • Atmospheric Science

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