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Freudenthaler, Volker (2009): Lidar Rayleigh-fit criteria. EARLINET-ASOS 7th Workshop, 09. - 11. February 2009, Madrid, Spain.
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Abstract

The talk explains how aerosol-free regions in a lidar signal can be determined by means of the so-called Rayleigh-fit. Criteria based on statistical analyses of the residuals are proposed and explained in detail, which allow to assess the quality of the Rayleigh-fit. Some of the methods can be used to develop quantitative criteria for the uncertainty in the retrieved reference value for the lidar signal inversion.