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Discrete ordinate method with matrix exponential for stochastic radiative transfer in broken clouds

Doicu, Adrian and Efremenko, Dmitry and Loyola, Diego and Trautmann, Thomas (2014) Discrete ordinate method with matrix exponential for stochastic radiative transfer in broken clouds. Journal of Quantitative Spectroscopy and Radiative Transfer, 138, pp. 1-16. Elsevier. doi: 10.1016/j.jqsrt.2014.01.011. ISSN 0022-4073.

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Official URL: http://www.sciencedirect.com/science/article/pii/S0022407314000211


We present a coherent treatment of the stochastic radiative transfer in an atmosphere containing clouds. Our analysis includes the derivation of an nth-order stochastic model for the solar radiation problem and arbitrary cloud statistics, as well as its particularization to broken cloud fields in general, and in particular to homogeneous three-, two- and one-dimensional broken clouds. The stochastic radiative transfer equations, which are equivalent to the Levermore–Pomraning equations, are solved by using the discrete ordinate method with matrix exponential. Using the Spherical Harmonics Discrete Ordinate Method (SHDOM) as a benchmark model, we found that the accuracy of the stochastic model, dealing with a molecular atmosphere and its underlying surface, is at least twice that of the independent pixel approximation. The stochastic model can be used to analyze the effects of cloud inhomogeneities on trace gas retrievals in the solar regime.

Item URL in elib:https://elib.dlr.de/92908/
Document Type:Article
Title:Discrete ordinate method with matrix exponential for stochastic radiative transfer in broken clouds
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Doicu, Adrianadrian.doicu (at) dlr.deUNSPECIFIED
Efremenko, Dmitrydmitry.efremenko (at) dlr.deUNSPECIFIED
Loyola, Diegodiego.loyola (at) dlr.deUNSPECIFIED
Trautmann, Thomasthomas.trautmann (at) dlr.deUNSPECIFIED
Date:May 2014
Journal or Publication Title:Journal of Quantitative Spectroscopy and Radiative Transfer
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.jqsrt.2014.01.011
Page Range:pp. 1-16
EditorsEmailEditor's ORCID iD
Mengüç, Pinar M.Center for Energy, Environment and Economy, Özyeğin University, Istanbul, TurkeyUNSPECIFIED
Mishchenko, Michael I.NASA-Goddard Institute for Space Studies, New York, USAUNSPECIFIED
Rothman, Laurence S.Harvard-Smithsonian Center for Astrophysics, Massachusetts, USAUNSPECIFIED
Keywords:Stochastic radiative transfer; Broken cloud; SHDOM
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):R - Vorhaben Informationstechnische Systeme für die Fernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Efremenko, Dr Dmitry
Deposited On:01 Dec 2014 14:58
Last Modified:06 Sep 2019 15:28

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