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Aerosol classification by airborne high spectral resolution lidar observations

by S Groß, M Esselborn, B Weinzierl, M Wirth, A Fix, A Petzold
Atmos. Chem. Phys ()
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During four aircraft field experiments with the DLR research aircraft Falcon in 1998 (LACE), 2006 (SAMUM-1) and 2008 (SAMUM-2 and EUCAARI), air-borne High Spectral Resolution Lidar (HSRL) and in situ measurements of aerosol microphysical and optical proper-ties were performed. Altogether, the properties of six dif-ferent aerosol types and aerosol mixtures – Saharan min-eral dust, Saharan dust mixtures, Canadian biomass burn-ing aerosol, African biomass burning mixture, anthropogenic pollution aerosol, and marine aerosol have been studied. On the basis of this extensive HSRL data set, we present an aerosol classification scheme which is also capable to identify mixtures of different aerosol types. We calculated mixing lines that allowed us to determine the contributing aerosol types. The aerosol classification scheme was sup-ported by backward trajectory analysis and validated with in-situ measurements. Our results demonstrate that the devel-oped aerosol mask is capable to identify complex stratifica-tions with different aerosol types throughout the atmosphere.

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