Comparison of the ray-tracing and beam-tracing methods in the problem of light scattering by ice crystals of cirrus clouds

Natalia V. Kustova; Alexander V. Konoshonkin; Anatoli G. Borovoi

doi:10.1117/12.2075549

25 November 2014 Comparison of the ray-tracing and beam-tracing methods in the problem of light scattering by ice crystals of cirrus clouds

Natalia V. Kustova, Alexander V. Konoshonkin, Anatoli G. Borovoi

Author Affiliations +

Proceedings Volume 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 929219 (2014) https://doi.org/10.1117/12.2075549
Event: 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2014, Novosibirsk, Russian Federation

Abstract

Comparison of two approaches within the framework of geometric optics, called the ray-tracing and beam-tracing methods, is considered in application to the problem of light scattering by ice crystal particles of cirrus clouds. A good conformity between the numerical data obtained by these algorithms is demonstrated. The computer time spent for the calculations by these algorithms is analyzed depending on spatial orientations of the particles. It is shown that the beamtracing methods exceeds its counterpart at small number of reflection/refraction events (up to 5) while the situation becomes opposite if this number is larger than 5.

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Natalia V. Kustova, Alexander V. Konoshonkin, and Anatoli G. Borovoi "Comparison of the ray-tracing and beam-tracing methods in the problem of light scattering by ice crystals of cirrus clouds", Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 929219 (25 November 2014); https://doi.org/10.1117/12.2075549

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