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首页> 外文期刊>Journal of Quantitative Spectroscopy & Radiative Transfer >Temperature dependence of ice optical constants: Implications for simulating the single-scattering properties of cold ice clouds
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Temperature dependence of ice optical constants: Implications for simulating the single-scattering properties of cold ice clouds

机译:冰光学常数的温度依赖性:模拟冷冰云的单散射特性的含义

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摘要

For a spectrum from ultraviolet to microwave and a temperature range from 160 to 270. K, the optical constants of water ice are compiled on the basis of the Kramers-Kronig relation in conjunction with existing datasets reported in literature. Significant temperature dependence is observed in both the mid-infrared and longer wavelengths. A sensitivity study at wavelengths in the infrared split window region indicates that the temperature dependence of the single-scattering properties of ice crystals is not negligible. Thus, it is necessary to take into account the temperature dependence of ice optical constants when simulating the radiative properties of cirrus clouds for various applications to remote sensing under cirrus cloud conditions.
机译:对于从紫外线到微波的光谱,温度范围为160至270. K,根据Kramers-Kronig关系并结合文献中已有的数据集,编制了水冰的光学常数。在中红外和更长波长中均观察到明显的温度依赖性。对红外分裂窗口区域中的波长进行的敏感性研究表明,冰晶单散射特性的温度依赖性不可忽略。因此,在模拟卷云的辐射特性用于卷云条件下遥感的各种应用时,有必要考虑冰光学常数的温度依赖性。

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