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Open AccessArticle

Linearizations of the Spherical Harmonic Discrete Ordinate Method (SHDOM)

Remote Sensing Technology Institute, German Aerospace Center (DLR), 82234 Oberpfaffenhofen, Germany
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Atmosphere 2019, 10(6), 292; https://doi.org/10.3390/atmos10060292
Received: 23 April 2019 / Revised: 21 May 2019 / Accepted: 22 May 2019 / Published: 28 May 2019
(This article belongs to the Special Issue Radiative Transfer Models of Atmospheric and Cloud Properties)
Linearizations of the spherical harmonic discrete ordinate method (SHDOM) by means of a forward and a forward-adjoint approach are presented. Essentially, SHDOM is specialized for derivative calculations and radiative transfer problems involving the delta-M approximation, the TMS correction, and the adaptive grid splitting, while practical formulas for computing the derivatives in the spherical harmonics space are derived. The accuracies and efficiencies of the proposed methods are analyzed for several test problems. View Full-Text
Keywords: 3D radiative trasnfer; SHDOM; Jacobian; linearization; adjoint radiative transfer 3D radiative trasnfer; SHDOM; Jacobian; linearization; adjoint radiative transfer
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Doicu, A.; Efremenko, D.S. Linearizations of the Spherical Harmonic Discrete Ordinate Method (SHDOM). Atmosphere 2019, 10, 292.

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