The dataset contains daily nc-files of the Cloudnet liqiud particles effective radius during Polarstern cruise PS106.The data is retrieved using the instrument synergystic approach Cloudnet (Illingworth, 2007, doi:10.1175/BAMS-88-6-883).This variable was calculated for the profiles where the \"categorization\" data has diagnosed that liquid water is present the cloud droplet effective radius is calculated after Frisch et al 2002 (doi:10.1175/1520-0426(2002)0192.0.CO;2), relating Z with r_eff by assuming a lognormal size distribution, and its width. The number concentration required to represent the size distribution is derived by scaling the LWP measured with microwave radiometer over the observed (single) cloud layer.

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