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Spectral Spherical Harmonics Discrete Ordinate Method

Doicu, Adrian and Mishchenko, Michael and Efremenko, Dmitry and Trautmann, Thomas (2021) Spectral Spherical Harmonics Discrete Ordinate Method. Journal of Quantitative Spectroscopy & Radiative Transfer, 258, p. 107386. Elsevier. doi: 10.1016/j.jqsrt.2020.107386. ISSN 0022-4073.

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Official URL: https://www.sciencedirect.com/science/article/abs/pii/S0022407320307585


A new method for modeling the radiative transfer in inhomogeneous three-dimensional media illuminated by a Gaussian beam is described. This approach, called the Spectral Spherical Harmonics Discrete Ordinate Method (SSHDOM), uses the Fourier expansion method to transform the three-dimensional radiative transfer into an one-dimensional equation in the spectral domain, and the Spherical Harmonics Discrete Ordinate Method (SHDOM) for its solution. Specifically, (i) the source function is represented in the spectral domain through a spherical harmonic expansion, (ii) the spectral one-dimensional radiative transfer equation is integrated along discrete ordinates through a spatial grid, and (iii) the solution method is based on the Picard iteration. Both SSHDOM and SHDOM algorithms are implemented in a common computer code.

Item URL in elib:https://elib.dlr.de/138267/
Document Type:Article
Title:Spectral Spherical Harmonics Discrete Ordinate Method
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Doicu, AdrianAdrian.Doicu (at) dlr.deUNSPECIFIED
Mishchenko, MichaelNASA GISS, New York, NY, USAUNSPECIFIED
Efremenko, DmitryDmitry.Efremenko (at) dlr.deUNSPECIFIED
Trautmann, ThomasThomas.Trautmann (at) dlr.deUNSPECIFIED
Date:January 2021
Journal or Publication Title:Journal of Quantitative Spectroscopy & Radiative Transfer
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.jqsrt.2020.107386
Page Range:p. 107386
Keywords:SHDOM. Gaussian beam. three-dimensional radiative transfer models
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):Vorhaben Spectroscopic Methods in Remote Sensing (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Doicu, Adrian
Deposited On:25 Nov 2020 16:14
Last Modified:13 Jan 2021 18:45

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