Progress of Technology of Cloud Motion Winds by Ground-Based Infrared Cloud Image

Abstract

Abstract:

In present, detecting the upper altitude wind by using the continuous observation of cloud images is widely used in the application of satellite cloud imagery, which can obtain a wide range and large scale wind field's information. There is little research on using ground-based cloud images to calculate cloud motion winds. A method of cloud motion winds of ground-based infrared cloud images is proposed. The development status of ground-based cloud measuring instrument is analyzed, the threshold method is designed to acquire whole sky cloud height by high spatial and temporal resolution ground-based infrared cloud image, the object matching method and object tracking method are used to choose tracking clouds, the quick search algorithm is used to search tracking clouds, and the calculation method of ground-based cloud motion winds is presented. At last the quality control ideas of cloud motion winds is discussed. Detection of upper altitude wind by the ground-based infrared cloud image, convention measurement of upper altitude wind and cloud motion wind of satellite images can supplement each other.

Key words: cloud motion winds, ground-based, infrared cloud image, cloud measuring instrument

CLC Number:

P412.15

DIAO Shi-Jun, SU Xiao-Yong, SUN Xue-Jin, LIU Lei, GAO Ta-Chang. Progress of Technology of Cloud Motion Winds by Ground-Based Infrared Cloud Image[J]. Journal of Atmospheric and Environmental Optics, 2012, (6): 401-407.

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Progress of Technology of Cloud Motion Winds by Ground-Based Infrared Cloud Image

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