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12 November 2020 Calculation by the Monte-Carlo method of optical radiation scattering by cirrus crystals in the geometric optics approximation
Q. Mu, B. A. Kargin, E. G. Kablukova
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Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115602C (2020) https://doi.org/10.1117/12.2576362
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation
Abstract
In the geometrical optics approximation, the scattering of solar radiation in the visible and near-IR regions of the solar spectrum by particles of crystalline clouds is numerically studied. For this purpose an algorithm for direct statistical simulation has been developed. A feature of the algorithm is the ability to obtain the scattering characteristics of solar radiation by crystalline particles of various shapes, concentrations and spatial orientations in a single calculation. Another feature is that, along with particles having smooth surfaces, the processes of radiation scattering on particles with rough surfaces are simulated taking into account the effects of shading and re-reflection. The algorithm is based on the so-called “facet” model of randomly inhomogeneous surfaces. A series of numerical experiments has been performed.
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Q. Mu, B. A. Kargin, and E. G. Kablukova "Calculation by the Monte-Carlo method of optical radiation scattering by cirrus crystals in the geometric optics approximation", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115602C (12 November 2020); https://doi.org/10.1117/12.2576362
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KEYWORDS
Crystals
Scattering
Particles
Clouds
Crystal optics
Geometrical optics
Solar radiation models
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