中尺度系统的模拟Doppler图像

Simulated Doppler Images of Mesoscale System

  • 摘要: 从数学上分析了Doppler速度(径向速度分量)和水平风场之间的基本关系,利用模拟的Doppler图像讨论了切变线、涡旋和低空急流等各种典型中尺度系统的Doppler速度图像的主要特征。所得结果在短时预报中可用于对实时观测到的Doppler图像作定性解释。

     

    Abstract: The basic relationship between the Doppler velocity (radial velocity component) field and the horizontal wind field is analyzed mathematically. The major features of Doppler velocity image for various typical mesoscale systems, such as shear lines, vortex and low level jet, are discussed using the simulated Doppler images. The results can be used to interpret qualitively the observed Doppler pattern in nowcasting

     

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