Development of the algorithm for light scattering by concave ice crystals of cirrus clouds

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

doi:10.1117/12.2288295

30 November 2017 Development of the algorithm for light scattering by concave ice crystals of cirrus clouds

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

Author Affiliations +

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1046649 (2017) https://doi.org/10.1117/12.2288295
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

New algorithm for light scattering by concave ice crystals was developed. It is based on the beam-splitting algorithm for convex type of crystals that was developed in IAO RAS. For implementation of this algorithm the program for calculation of the light scattering matrices was created. The results of test calculations that were carried out within the geometrical optics (GO) approximation show good agreement with the ray-tracing algorithm. The light scattering diagram for hollow columns with various cavity angles within the GO approximation and the dependence of M11 element of scattering matrix on zenith angle for various angle of crystal cavity within physical (PO) approximation were received.

Citation Download Citation

Dmitriy N. Timofeev, Alexander V. Konoshonkin, Natalia V. Kustova, and Anatoli G. Borovoi "Development of the algorithm for light scattering by concave ice crystals of cirrus clouds", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1046649 (30 November 2017); https://doi.org/10.1117/12.2288295

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