Soot and sulfate aerosol particles in the remote marine troposphere | Zendy

Pósfai Mihály | Zendy; Anderson James R. | Zendy; Buseck Peter R. | Zendy; Sievering Herman | Zendy

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Soot and sulfate aerosol particles in the remote marine troposphere

Author(s) -

Pósfai Mihály,

Anderson James R.,

Buseck Peter R.,

Sievering Herman

Publication year - 1999

Publication title -

journal of geophysical research: atmospheres

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.67

H-Index - 298

eISSN - 2156-2202

pISSN - 0148-0227

DOI - 10.1029/1999jd900208

Subject(s) - troposphere , aerosol , soot , sulfate , environmental science , atmospheric sciences , sulfate aerosol , combustion , particulates , environmental chemistry , meteorology , chemistry , geology , physics , organic chemistry

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.

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