摘要
在不考虑吸收情况下，利用光线跟踪法计算了卷云中经常存在的不同形状冰晶的散射相函数。计算结果显示实心柱状冰晶散射相函数的特征是存在２２°晕和４６°峰；空心柱状冰晶则在１２０°处可以见到另外一个峰；而子弹形冰晶在０°和２２°间出现一个附加峰。并用简单的几何分析解释了某些散射特性。
The calculations of ice crystal scattering phase function have been carried out using ray tracing method,without consideration of the absorption,for different shapes of ice crystals often encountered in ice clouds. The results show that 22°and 46°peak are obvious for solid columns;there are small differences between the solid and hollow column phase functions, unless the side wall of the hollow column is very thin,when the hollow radius is around half of the total column radius the weak 120°peak can be seen;an additional peak appreas between 0°and 22°for bullet-like ice crystals. Some scattering characteristics are also explained by the simple geometrical analysis.
出处
《遥感技术与应用》
CSCD
1996年第1期22-26,共5页
Remote Sensing Technology and Application
