Optical and microphysical properties of fresh biomass burning aerosol retrieved by Raman lidar, and star-and sun-photometry

Details Optical and microphysical properties of fresh biomass burning aerosol retrieved by Raman lidar, and star-and sun-photometry Optical and microphysical properties of fresh biomass burning aerosol retrieved by Raman lidar, and star-and sun-photometry

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3801807a&link_type=abstract

Geophysical Research Letters, Volume 38, Issue 1, CiteID L01807

Physics

1

Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801, 4906), Atmospheric Processes: Clouds And Aerosols, Atmospheric Processes: Remote Sensing (4337)

Scientific paper

A fresh biomass-burning pollution plume was monitored and characterized in terms of optical and microphysical properties for the first time with a combination of Raman lidar and star- and sun-photometers. Such an instrument combination is highly useful for 24-h monitoring of pollution events. The observations were made at Granada (37.16°N, 3.6°W), Spain. The fresh smoke particles show a rather pronounced accumulation mode and features markedly different from those reported for aged particles. We find lidar ratios around 60-65 sr at 355 nm and 532 nm, and particle effective radii below 0.20 μm. We find low values of the single-scattering albedo of 0.76-0.9 depending on measurement wavelength. The numbers are lower than what have been found for aged, long-range-transported smoke that originated from boreal fires in Canada and Siberia.

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