Soot and sulfate aerosol particles in the remote marine troposphere

M. Pósfai, James R. Anderson, Peter R. Buseck, Herman Sievering

Research output: Contribution to journalArticle

176 Citations (Scopus)

Abstract

Sulfate aerosol particles containing soot aggregates were observed in the marine troposphere in both hemispheres under conditions that ranged from extremely clean to heavily polluted. Even in clean air above the remote Southern Ocean during the First Aerosol Characterization Experiment (ACE 1), depending on the sample, between 10 and 45% of sulfate particles contained soot inclusions. We identified aircraft emissions and biomass burning as the most likely major sources of soot. Internally mixed soot and sulfate appear to comprise a globally significant fraction of aerosols in the troposphere. Anthropogenic combustion aerosols can thus potentially change the radiative climate effects of sulfate aerosols and may have an impact on cloud properties even in the remote troposphere.

Original languageEnglish
Article number1999JD900208
Pages (from-to)21685-21693
Number of pages9
JournalJournal of Geophysical Research: Space Physics
Volume104
Issue numberD17
Publication statusPublished - Sep 20 1999

Fingerprint

Soot
Troposphere
soot
aerosols
troposphere
Aerosols
Sulfates
sulfates
aerosol
sulfate
ACE 1
aircraft emission
biomass burning
aircraft
climate effect
hemispheres
combustion
climate
oceans
Biomass

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Atmospheric Science
  • Astronomy and Astrophysics
  • Oceanography

Cite this

Pósfai, M., Anderson, J. R., Buseck, P. R., & Sievering, H. (1999). Soot and sulfate aerosol particles in the remote marine troposphere. Journal of Geophysical Research: Space Physics, 104(D17), 21685-21693. [1999JD900208].

Soot and sulfate aerosol particles in the remote marine troposphere. / Pósfai, M.; Anderson, James R.; Buseck, Peter R.; Sievering, Herman.

In: Journal of Geophysical Research: Space Physics, Vol. 104, No. D17, 1999JD900208, 20.09.1999, p. 21685-21693.

Research output: Contribution to journalArticle

Pósfai, M, Anderson, JR, Buseck, PR & Sievering, H 1999, 'Soot and sulfate aerosol particles in the remote marine troposphere', Journal of Geophysical Research: Space Physics, vol. 104, no. D17, 1999JD900208, pp. 21685-21693.
Pósfai M, Anderson JR, Buseck PR, Sievering H. Soot and sulfate aerosol particles in the remote marine troposphere. Journal of Geophysical Research: Space Physics. 1999 Sep 20;104(D17):21685-21693. 1999JD900208.
Pósfai, M. ; Anderson, James R. ; Buseck, Peter R. ; Sievering, Herman. / Soot and sulfate aerosol particles in the remote marine troposphere. In: Journal of Geophysical Research: Space Physics. 1999 ; Vol. 104, No. D17. pp. 21685-21693.
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