Parameterization for the relative humidity dependence of light extinction: Organic-ammonium sulfate aerosol

Parameterization for the relative humidity dependence of light extinction: Organic-ammonium sulfate aerosol

Atmospheric particles are a complex mixture of inorganic and organic compounds. This study uses laboratory generated particles to examine the connection between aerosol light extinction, chemical composition, and hygroscopicity for particles composed of internal mixtures of ammonium sulfate and wate...

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Veröffentlicht in:Journal of Geophysical Research: Atmospheres 2007-10, Vol.112 (D19), p.n/a
Hauptverfasser: Garland, Rebecca M., Ravishankara, A. R., Lovejoy, Edward R., Tolbert, Margaret A., Baynard, Tahllee
Format: Artikel
Sprache:eng
Schlagworte:
aerosol
Aerosols
Ammonium sulfates
Atmospherics
Coefficients
Drying
Extinction
hygroscopicity
Organic compounds
Parametrization
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Beschreibung
Zusammenfassung:Atmospheric particles are a complex mixture of inorganic and organic compounds. This study uses laboratory generated particles to examine the connection between aerosol light extinction, chemical composition, and hygroscopicity for particles composed of internal mixtures of ammonium sulfate and water‐soluble organic compounds. The extinction coefficient (σep) at 532 nm was measured for size‐selected particles at
ISSN:0148-0227
2169-897X
2156-2202
2169-8996
DOI:10.1029/2006JD008179