A Direct Solution of the Spherical Harmonies Approximation to the Radiative Transfer Equation for an Arbitrary Solar Elevation. Part II: Results

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Abstract
It is shown that the method based on a direct numerical solution of the spherical harmonics approximation to the radiative transfer equation can be used for obtaining smooth scattered-intensity vs angle-of-observation curves for any arbitrary position of the sun. Results presented for models of moderate (∼10) optical thickness and with Rayleigh, haze, as well as non-precipitating cloud phase functions show that intensity values of a given accuracy can be obtained with moderate computing resources.