Monte Carlo simulation of radiation transfer in optically anisotropic clouds

Sergei M. Prigarin; Anatoli G. Borovoi; Piero Bruscaglioni; Ariel Cohen; Igor A. Grishin; Ulrich G. Oppel; Tatiana B. Zhuravleva

doi:10.1117/12.617203

Monte Carlo simulation of radiation transfer in optically anisotropic clouds

Sergei M. Prigarin^*, Anatoli G. Borovoi, Piero Bruscaglioni, Ariel Cohen, Igor A. Grishin, Ulrich G. Oppel, Tatiana B. Zhuravleva

^*Corresponding author for this work

Fredy & Nadine Herrmann Institute of Earth Sciences

Research output: Contribution to journal › Conference article › peer-review

4 Scopus citations

Abstract

A mathematical model and a Monte Carlo algorithm were developed to simulate radiation transfer in dispersive media that is optically anisotropic with respect to zenith angle of the light beam. The algorithm was created with the purpose to simulate radiation transfer processes in the atmosphere with optically anisotropic clouds (for instance, cirrus clouds). A numerical experiment was performed for a cloud with ice crystals of hexagonal cylinder shape. We compared results for scattering media with particles stochastically oriented in a horizontal plane and in space. It was shown that orientation of particles could strongly affect the albedo of clouds and the shape of halos.

Original language	English
Article number	11
Pages (from-to)	88-94
Number of pages	7
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5829
DOIs	https://doi.org/10.1117/12.617203
State	Published - 2005
Event	13th International Workshop on Lidar Multiple Scattering Experiments - St. Petersburg, Russian Federation Duration: 28 Jun 2004 → 1 Jul 2004

Keywords

Crystal clouds
Halos
Monte Carlo simulation
Optical anisotropy
Orientation of particles
Radiation transfer

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10.1117/12.617203

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title = "Monte Carlo simulation of radiation transfer in optically anisotropic clouds",

abstract = "A mathematical model and a Monte Carlo algorithm were developed to simulate radiation transfer in dispersive media that is optically anisotropic with respect to zenith angle of the light beam. The algorithm was created with the purpose to simulate radiation transfer processes in the atmosphere with optically anisotropic clouds (for instance, cirrus clouds). A numerical experiment was performed for a cloud with ice crystals of hexagonal cylinder shape. We compared results for scattering media with particles stochastically oriented in a horizontal plane and in space. It was shown that orientation of particles could strongly affect the albedo of clouds and the shape of halos.",

keywords = "Crystal clouds, Halos, Monte Carlo simulation, Optical anisotropy, Orientation of particles, Radiation transfer",

author = "Prigarin, {Sergei M.} and Borovoi, {Anatoli G.} and Piero Bruscaglioni and Ariel Cohen and Grishin, {Igor A.} and Oppel, {Ulrich G.} and Zhuravleva, {Tatiana B.}",

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T1 - Monte Carlo simulation of radiation transfer in optically anisotropic clouds

AU - Prigarin, Sergei M.

AU - Borovoi, Anatoli G.

AU - Bruscaglioni, Piero

AU - Cohen, Ariel

AU - Grishin, Igor A.

AU - Oppel, Ulrich G.

AU - Zhuravleva, Tatiana B.

PY - 2005

Y1 - 2005

N2 - A mathematical model and a Monte Carlo algorithm were developed to simulate radiation transfer in dispersive media that is optically anisotropic with respect to zenith angle of the light beam. The algorithm was created with the purpose to simulate radiation transfer processes in the atmosphere with optically anisotropic clouds (for instance, cirrus clouds). A numerical experiment was performed for a cloud with ice crystals of hexagonal cylinder shape. We compared results for scattering media with particles stochastically oriented in a horizontal plane and in space. It was shown that orientation of particles could strongly affect the albedo of clouds and the shape of halos.

AB - A mathematical model and a Monte Carlo algorithm were developed to simulate radiation transfer in dispersive media that is optically anisotropic with respect to zenith angle of the light beam. The algorithm was created with the purpose to simulate radiation transfer processes in the atmosphere with optically anisotropic clouds (for instance, cirrus clouds). A numerical experiment was performed for a cloud with ice crystals of hexagonal cylinder shape. We compared results for scattering media with particles stochastically oriented in a horizontal plane and in space. It was shown that orientation of particles could strongly affect the albedo of clouds and the shape of halos.

KW - Crystal clouds

KW - Halos

KW - Monte Carlo simulation

KW - Optical anisotropy

KW - Orientation of particles

KW - Radiation transfer

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Y2 - 28 June 2004 through 1 July 2004

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Monte Carlo simulation of radiation transfer in optically anisotropic clouds

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