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Southern Hemisphere tropospheric aerosol microphysicsAerosol particle-size distribution data have been obtained in the Southern Hemisphere from approximately 4-deg S to 44-deg S and between ground level and 5 km, in the vicinity of eastern Australia. The relative shape of the free-tropospheric size distribution for particles with radii larger than approximately 0.04 micron was found to be remarkably stable with time, altitude, and location for the autumn-winter periods considered. This was despite some large concentration changes, which were found to be typical of the southeastern Australian coastal region. The majority of free-troposphere large particles were found to have sulfuric acid or lightly ammoniated sulfate morphology. Large particles in the boundary layer almost exclusively had a sea-salt morphology.
Document ID
19910047182
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Gras, John L.
(CSIRO Div. of Atmospheric Research, Aspendale, Australia)
Date Acquired
August 14, 2013
Publication Date
March 20, 1991
Publication Information
Publication: Journal of Geophysical Research
Volume: 96
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
91A31805
Funding Number(s)
CONTRACT_GRANT: NAS8-36722
Distribution Limits
Public
Copyright
Other

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