Data bank of light scattering matrices over the all scattering directions for atmospheric ice particles of cirrus clouds, calculated within the approximation of geometric and physical optics

N. Kan, I. Tkachev, D. N. Timofeev, V. Shishko, A. Konoshonkin
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Abstract

The paper presents the results of comparing numerical solutions to the problem of light scattering on atmospheric ice particles by methods of geometric and physical optics. The solution was constructed for hexagonal shaped particles (hexagonal ice column) and droxtals. The results of the comparison of the light scattering matrix over the entire sphere of the direction showed that in the direction of scattering strictly backward, the use of the geometric optics approximation can lead to significant errors, especially for hexagonal particles, which are characterized by the presence of angular reflection
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卷云大气冰粒在所有散射方向上的光散射矩阵数据库,在几何光学和物理光学近似下计算
本文介绍了用几何光学和物理光学方法对大气冰粒光散射问题的数值解进行比较的结果。该溶液适用于六角形颗粒(六角形冰柱)和龙形颗粒。对整个球体方向上的光散射矩阵的比较结果表明,在严格向后散射的方向上,使用几何光学近似会导致明显的误差,特别是对于六边形粒子,其特征是存在角反射
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