Articles | Volume 17, issue 6
https://doi.org/10.5194/amt-17-1721-2024
https://doi.org/10.5194/amt-17-1721-2024
Research article
 | 
25 Mar 2024
Research article |  | 25 Mar 2024

Lidar depolarization characterization using a reference system

Alkistis Papetta, Franco Marenco, Maria Kezoudi, Rodanthi-Elisavet Mamouri, Argyro Nisantzi, Holger Baars, Ioana Elisabeta Popovici, Philippe Goloub, Stéphane Victori, and Jean Sciare

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Short summary
We propose a method to determine depolarization parameters using observations from a reference instrument at a nearby location, needed for systems where a priori knowledge of cross-talk parameters is not available. It uses three-parameter equations to compare VDR between two co-located lidars at dust and molecular layers. It can be applied retrospectively to existing data acquired during campaigns. Its application to Cimel CE376 corrected VDR bias at high- and low-depolarizing layers.