Cloud base height inversion method and system based on multi-source satellite data
A technology of cloud base height and satellite data, which is applied in the field of atmospheric sounding, can solve problems such as insufficient accuracy, difficulty in obtaining cloud base height, and inability to expand cloud base height, so as to achieve the effect of improving accuracy and expanding coverage
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[0124] In the embodiment, the present invention is verified according to the above steps:
[0125] (1) Obtain the historical cloud base height obtained by the Cloudsat satellite and the cloud top temperature, optical thickness and other historical cloud physical characteristics in the Aqua satellite from the satellite database; specifically:
[0126] (1.1) Obtain the 2B-GEOPROF-LIDAR_GRANULE_P1_R05 data product from Cloudsat official website, which can provide the historical cloud base height of each layer, and use it as the output to train the cloud base height inversion model;
[0127] (1.2) Obtain the MYD08_L2 data product of Aqua satellite from MODIS official website, which can provide historical cloud physical quantity characteristics such as cloud top temperature and optical thickness;
[0128] figure 2 It is the cloud top height distribution map in the world on September 6, 2013 (the unit of cloud top height is meter, the range is: 3m~17070m; scaling factor scale_factor...
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