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Publicly available codes to generate heterogeneous cloud structures

I3RC Monte Carlo community model of 3D radiative transfer: This model can calculate the spatial distribution or scene-average of radiances, radiative fluxes, and radiative heating rates. It is suitable for monochromatic calculations at UV, visible, and near-infrared wavelengths. The current version (released on July 18, 2006) includes software tools to generate required inputs such as cloud droplet scattering properties.

ARTS package: Monte Carlo component includes 3D spherical geometry, which is important for limb sounding, and polarized RT, which may be important for mm, sub-mm cirrus observations. The model is suitable only when the solar contribution can be safely neglected, i.e. mm, sub-mm, IR.

GRIMALDI: 3D Monte Carlo codes for visible, infrared, and microwave radiation. The site also features codes for calculating ice crystal single scattering properties.

MCARaTS: 3D radiative transfer model based on forward-propagating Monte Carlo photon transport algorithm

SHDOM: Spherical Harmonic Discrete Ordinate Model

Battaglia-Mantovani model: Fully polarized 3D Monte Carlo model with focus on microwave radiation

SHARM-3D: Fast accurate parameterized radiative transfer code for 3D calculations over spatially variable anisotropic surfaces with horizontally homogeneous atmosphere.