Aerosol - Cloud Target Classification in HALO Lidar/Radar Collocated Measurements

Particle attenuated backscatter and depolarization ratio at 532 nm from the WALES (Water Vapor Lidar Experiment in Space) instrument are used in combination with the radar reflectivity from the 35 GHz MIRA35 cloud radar in order to perform an aerosol-cloud target classification on the lidar/radar co...

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Bibliographic Details
Published in:EPJ Web of Conferences
Main Authors: Marinou Eleni, Ewald Florian, Gross Silke, Wirth Martin, Schaefler Andreas, Cazenave Quitterie, Delanoë Julien
Format: Article in Journal/Newspaper
Language:English
Published: EDP Sciences 2020
Subjects:
Physics
QC1-999
North Atlantic
Online Access:https://doi.org/10.1051/epjconf/202023708002
https://doaj.org/article/9b738b52ef68459dad205b928c2f5adb
Description
Summary:Particle attenuated backscatter and depolarization ratio at 532 nm from the WALES (Water Vapor Lidar Experiment in Space) instrument are used in combination with the radar reflectivity from the 35 GHz MIRA35 cloud radar in order to perform an aerosol-cloud target classification on the lidar/radar collocated observations carried out with the High Altitude and LOng-range research aircraft (HALO), in high temporal and spatial resolution. The methodology is applied to the measurements conducted during the North Atlantic Waveguide and Downstream Impact Experiment (NAWDEX) in fall 2016. Here, we present one case study to show the feasibility and information context of the aerosol-cloud discrimination, which can serve as a good complement to the Cloud target categorization applied already in the measurements. Our results demonstrate that the developed mask is capable to identify complex stratifications with different aerosol and cloud types and even aerosol layers of low signal.

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