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

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

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.

Original languageEnglish
Title of host publication26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics
EditorsGennadii G. Matvienko, Oleg A. Romanovskii
PublisherSPIE
ISBN (Electronic)9781510639416
DOIs
Publication statusPublished - 2020
Event26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics 2020 - Moscow, Russian Federation
Duration: 6 Jul 202010 Jul 2020

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11560
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics 2020
CountryRussian Federation
CityMoscow
Period06.07.202010.07.2020

Keywords

  • Crystalline clouds
  • Geometric optics method
  • Monte Carlo method
  • Ray scattering phase function

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