| 冰云短波辐射特性参数化 |
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| 引用本文： | 张国栋.冰云短波辐射特性参数化[J].应用气象学报,1997,8(3):283-291. |
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| 作者姓名： | 张国栋 |
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| 作者单位： | 1.成都气象学院 |
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| 摘 要： | 该文对卷云和高层云分别构造了15种冰晶尺度分布，3种云高和云厚，总共30种冰水含量、90种冰水程长模式。对尺度小于与大于30 μm的冰晶粒子的单次散射特性分别用表面积等效冰球Mie理论和射线光学理论进行计算。采用delta-Eddington法计算了在4种不同地面反射率下冰云的多重散射辐射传输特性，提出了冰云辐射特性的参数化公式，指出参数化公式可以用于气候模式或大气环流模式。
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| 关 键 词： | Mie理论 射线光学理论 辐射特性参数化 |
Parameterization of Shortwave Radiation Properties of Ice Cloud |
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| Zhang Guodong.Parameterization of Shortwave Radiation Properties of Ice Cloud[J].Quarterly Journal of Applied Meteorology,1997,8(3):283-291. |
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| Authors: | Zhang Guodong |
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| Affiliation: | 1.(Chengdu Meteorological Institute, Chengdu 610041) |
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| Abstract: | The 15 kinds of ice crystal size distributions, 3 kinds of cloud heights and thickness, 30 kinds of ice water contents and 90 kinds of ice water path models for cirrus (Ci) and altostratus (As) are constructed, respectively. The single scattering properties of ice crystal particles, with sizes larger or smaller than 30 μm, are derived based on Mie theory and ray optical theory. The multiple scattering radiation transmission properties of the ice clouds for 4 kinds of ground surface albedos are calculated by using delta-Eddington method, and the new parameterization of ice cloud radiation characteristics is formulated. The formula can be used in climate model or atmospheric circulation model. |
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| Keywords: | Mie theory Ray optical theory Parameterization of radiation properties |
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