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Vertical Profiles of Light Scattering, Light Absorption, and Single Scattering Albedo during the Dry, Biomass Burning Season in Southern Africa and Comparisons of In Situ and Remote Sensing Measurements of Aerosol Optical DepthsAirborne in situ measurements of vertical profiles of aerosol light scattering, light absorption, and single scattering albedo (omega (sub 0)) are presented for a number of locations in southern Africa during the dry, biomass burning season. Features of the profiles include haze layers, clean air slots, and marked decreases in light scattering in passing from the boundary layer into the free troposphere. Frequency distributions of omega (sub 0) reflect the strong influence of smoke from biomass burning. For example, during a period when heavy smoke was advected into the region from the north, the mean value of omega (sub 0) in the boundary layer was 0.81 +/- 0.02 compared to 0.89 +/- 0.03 prior to this intrusion. Comparisons of layer aerosol optical depths derived from the in situ measurements with those measured by a Sun photometer aboard the aircraft show excellent agreement.
Document ID
20050177029
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Magi, Brian I. (Washington Univ. Seattle, WA, United States)
Hobbs, Peter V. (Washington Univ. Seattle, WA, United States)
Schmid, Beat (Bay Area Environmental Research Inst. Sonoma , CA, United States)
Redermann, Jens (Bay Area Environmental Research Inst. Sonoma , CA, United States)
Date Acquired
August 23, 2013
Publication Date
June 19, 2003
Publication Information
Publication: Journal of Geophysical Research
Volume: 108
Issue: D13
ISSN: 0148-0227
Subject Category
Environment Pollution
Funding Number(s)
CONTRACT_GRANT: NAG5-9022
Distribution Limits
Public
Copyright
Other