Biogenic sulfur emissions and aerosol over the tropical South Atlantic

2. One-dimensional simulation of sulfur chemistry in the marine boundary layer

Karsten Suhre, M. O. Andreae, R. Rosset

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Based on experimental data the marine sulfur cycle has been stimulated with one-dimensional coupled meteorological-chemical model. The potential of sea-spray aerosols to act as a sink for SO"SUB 2" produced from dimethylsulfide (DMS) oxidation has been examined by using a simple humidity and height dependent parameterization for sea salt aerosol distribution. Simulations show significant reduction of total SO"SUB 2" concentrations to 27-82% of the values found in the absence of this heterogenous process. The DMS, SO"SUB 2" , H"SUB 2" SO"SUB 4" (sulfates formed by SO"SUB 2" oxidation in the gas phase), and XSO"SUB 4" (sulfates formed by SO"SUB 2" oxidation in sea-spray aerosol) vertical profiles, their diurnal cycles, and turbulent fluxes have been calculated with a one-dimensional model. (from Authors)

Original languageEnglish
JournalJournal of Geophysical Research
Volume100
Issue numberD6
Publication statusPublished - 1995
Externally publishedYes

Fingerprint

sulfur emission
biogenic emission
aerosols
Aerosols
Sulfur
boundary layers
sulfur
Boundary layers
chemistry
dimethylsulfide
boundary layer
oxidation
aerosol
Oxidation
spray
Sulfates
sprayers
sulfates
sulfate
simulation

ASJC Scopus subject areas

  • Geophysics
  • Oceanography
  • Forestry
  • Ecology
  • Aquatic Science
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

Cite this

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TY - JOUR

T1 - Biogenic sulfur emissions and aerosol over the tropical South Atlantic

T2 - 2. One-dimensional simulation of sulfur chemistry in the marine boundary layer

AU - Suhre, Karsten

AU - Andreae, M. O.

AU - Rosset, R.

PY - 1995

Y1 - 1995

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AB - Based on experimental data the marine sulfur cycle has been stimulated with one-dimensional coupled meteorological-chemical model. The potential of sea-spray aerosols to act as a sink for SO"SUB 2" produced from dimethylsulfide (DMS) oxidation has been examined by using a simple humidity and height dependent parameterization for sea salt aerosol distribution. Simulations show significant reduction of total SO"SUB 2" concentrations to 27-82% of the values found in the absence of this heterogenous process. The DMS, SO"SUB 2" , H"SUB 2" SO"SUB 4" (sulfates formed by SO"SUB 2" oxidation in the gas phase), and XSO"SUB 4" (sulfates formed by SO"SUB 2" oxidation in sea-spray aerosol) vertical profiles, their diurnal cycles, and turbulent fluxes have been calculated with a one-dimensional model. (from Authors)

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