Articles | Volume 7, issue 11
https://doi.org/10.5194/amt-7-3685-2014
https://doi.org/10.5194/amt-7-3685-2014
Research article
 | 
08 Nov 2014
Research article |  | 08 Nov 2014

Mixing-layer height retrieval with ceilometer and Doppler lidar: from case studies to long-term assessment

J. H. Schween, A. Hirsikko, U. Löhnert, and S. Crewell

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Short summary
Two different methods for the determination of the mixing layer height (MLH) are investigated with a one-year data set from central Europe: (i) based on a significant gradient of backscatter and (ii) on the vertical velocity. The aerosol-based method shows significant over-estimation in the morning hours when the ML grows into the residual layer and late afternoon hours when turbulent mixing decays. This results in systematic over-estimation of average characteristcs as e.g. maximum MLH.