Influence of cirrus clouds ice crystal’s deformation on the backscattering matrix calculated within the physical optics approximation

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

doi:10.1117/12.2248847

29 November 2016 Influence of cirrus clouds ice crystal’s deformation on the backscattering matrix calculated within the physical optics approximation

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

Author Affiliations +

Proceedings Volume 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 100353P (2016) https://doi.org/10.1117/12.2248847
Event: XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2016, Tomsk, Russian Federation

Abstract

The paper presets the research results of the influence of hexagonal ice column’s dihedral angle of 90° distortions on the backscattering matrix. The solution of the light scattering problem for hexagonal ice columns is obtained within the physical optics approximation. The results are obtained for hexagonal ice columns with lengths of 10, 31, 100, 316, 562, 1000 microns and diameters of 7, 22, 70, 123, 165, 220 microns, respectively. The distortion angle of the dihedral angle of 90° runs within the range of 0° (regular particle) to 10°. The calculations were carried out for the wavelength of 532 nm. The refractive index was assumed to be 1.3116. In addition to the backscattering matrix, the geometric scattering cross section and the important optical characteristics such as the lidar and depolarization ratios were calculated. The results showed that the influence of deformation on the optical characteristics increases with the particle size.

Citation Download Citation

Victor A. Shishko, Alexander V. Konoshonkin, Natalia V. Kustova, and Anatoli G. Borovoi "Influence of cirrus clouds ice crystal’s deformation on the backscattering matrix calculated within the physical optics approximation", Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 100353P (29 November 2016); https://doi.org/10.1117/12.2248847

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