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Proceedings Paper

Aerosol characterization with advanced aerosol lidar for climate studies
Author(s): Dietrich Althausen; Detlef Mueller; Frank Wagner; Kathleen Franke; Ulla Wandinger; Albert Ansmann
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Paper Abstract

A transportable scanning multiwavelength lidar has been installed for the independent and simultaneous determination of the particle backscatter coefficient at 6 wavelengths between 355 and 1064 nm and of the particle extinction coefficient at 355 and 532 nm. The physical particle parameters including the complex refractive index are retrieved from the optical data by an inversion scheme based on the Tikhonov's regularization technique. The optical and physical parameter sets serve as input in radiative transfer calculations to estimate the radiative forcing of the particles at the top of the atmosphere and at the surface. Quite different particle properties could be observed during the Aerosol Characterization Experiment (Portugal, 1997), the Lindenberger Aerosol Experiment (Germany, 1998) and the Indian Ocean Experiment (Maldives, 1999-2000). We present measurement examples which demonstrates this approach of comprehensive aerosol characterization.

Paper Details

Date Published: 29 December 2000
PDF: 8 pages
Proc. SPIE 4341, Seventh International Symposium on Atmospheric and Ocean Optics, (29 December 2000); doi: 10.1117/12.411971
Show Author Affiliations
Dietrich Althausen, Institute for Tropospheric Research (Germany)
Detlef Mueller, Institute for Tropospheric Research (Germany)
Frank Wagner, Institute for Tropospheric Research (Germany)
Kathleen Franke, Institute for Tropospheric Research (Germany)
Ulla Wandinger, Institute for Tropospheric Research (Germany)
Albert Ansmann, Institute for Tropospheric Research (Germany)

Published in SPIE Proceedings Vol. 4341:
Seventh International Symposium on Atmospheric and Ocean Optics
Gennadii G. Matvienko; Mikhail V. Panchenko, Editor(s)

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