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Atmospheric and Oceanic Optics

2014 year, number 9

Scattering of the light on bullet and droxtal ice crystals of cirrus clouds preferably oriented in a horizontal plane with zenith flutter

A.V. Burnashov, A.V. Konoshonkin
V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
Keywords: scattering matrix, cirrus clouds, flutter, preferable orientation, halo, droxtal, polarization, bullet, Parry orientation


The properties of the light scattering on a column-like bullet and droxtal of cirrus clouds oriented preferably in a horizontal plane have been calculated in the geometrical optics approximation. The shape parameters of crystals F and the flutter are assumed to be equal to 10 and 5 degrees respectively. The Parry and 3D orientations of crystals in space have been analyzed. Based on the results, the tabular information of the distribution of the scattered light among the brightest halo has been represented. The results have been compared with scattering on the hexagonal column.