Summary of inversion methods to remote sensing cloud top height with satellite data
Chen Jiannan1,2, Bai Jie2, Zhou Zhuhua2, Fang Hanxian2
1.Institute of Meteorology and Oceanography,PLA University of Science and Technology,Nanjing 211101; 2.Beijing Aviation Meteorological Institute,Beijing 100085
Abstract:Satellite data occupies an important position in the cloud top height inversion.Mainly from two aspects of imaging geometry and channel features,this paper introduces the methods and principles of remote sensing cloud top height with satellite data at home and abroad,and analyses the advantages and disadvantages of various methods and discusses the future research directions in China.The imaging geometric method is difficult to be applied in practice although the inversion result is accurate.The principle of single channel inversion method is simple while the precision is low in result.The multi channels inversion method integrates various mathematic methods with the high precision of cloud top height,which has been applied to the mainstream satellites.The improvement for the accuracy of remote sensing cloud top height depends on the upgrading of radioactive transfer models.And more shortwave channels need to be applied.
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