Calculation of cirrus clouds backscattering for lidar studies within the physical optics approximation

Alexander V. Konoshonkin; Natalia V. Kustova; Anatoli G. Borovoi; Victor A. Shishko; Dmitriy N. Timofeev

doi:10.1117/12.2325825

9 October 2018 Calculation of cirrus clouds backscattering for lidar studies within the physical optics approximation

Alexander V. Konoshonkin, Natalia V. Kustova, Anatoli G. Borovoi, Victor A. Shishko, Dmitriy N. Timofeev

Proceedings Volume 10786, Remote Sensing of Clouds and the Atmosphere XXIII; 107860R (2018) https://doi.org/10.1117/12.2325825
Event: SPIE Remote Sensing, 2018, Berlin, Germany

Abstract

Microphysical properties of the cirrus cloud ice crystals with the horizontal orientation are required for numerical models of radiation balance. Retrieving the orientation distributions function of the crystals from a vertically pointing lidar is a very complicated problem because of lake of the information. The paper shows that the lidars with zenith scanning can be effectively used to retrieve the degree of the horizontally oriented particles (flutter). It is also shown that all the elements of the Mueller matrix give no extra information as far as the depolarization ratio compare to the lidar ratio. Optical properties of the hexagonal ice plates with the size of 10, 30, 100 and 300 μm for the wavelengths of 0.355, 0.532 and 1.064 μm were obtained within the physical optics approximation.

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Citation Download Citation

Alexander V. Konoshonkin, Natalia V. Kustova, Anatoli G. Borovoi, Victor A. Shishko, and Dmitriy N. Timofeev "Calculation of cirrus clouds backscattering for lidar studies within the physical optics approximation", Proc. SPIE 10786, Remote Sensing of Clouds and the Atmosphere XXIII, 107860R (9 October 2018); https://doi.org/10.1117/12.2325825

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