Scattering matrices of imperfect hexagonal ice crystals

被引：98

作者：

Hess, M ^{[1
]}

Koelemeijer, RBA ^{[1
]}

Stammes, P ^{[1
]}

机构：

[1] Royal Netherlands Meteorol Inst KNMI, NL-3730 AE De Bilt, Netherlands

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 1998年 / 60卷 / 03期

关键词：

D O I：

10.1016/S0022-4073(98)00007-7

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Scattering matrices of perfect and imperfect hexagonal ice crystals are presented and compared to those of so-called polycrystals, proposed by Macke et al.(1) Scattering matrices of imperfect hexagonal crystals are calculated using statistical deviations of ray paths during the ray tracing in perfect hexagonal crystals. At a certain degree of deviation, the resulting scattering matrix becomes similar to that of polycrystals. Therefore, this method forms a link between perfect hexagonal columns and polycrystals. The optical properties of these imperfect crystals are sensitive to the aspect ratio (and thus to particle size) as well as to the allowed deviation from the perfect shape. This approach to simulate imperfect ice crystals introduces new possibilities for interpretation of satellite measurements. (C)1998 Elsevier Science Ltd. All rights reserved.

引用

页码：301 / 308

页数：8

共 20 条

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