I am writing this message to express my sincere gratitude for the exceptional support that Professor Shunji Kotsuki has provided to me during my work in the environmental prediction science laboratory, center for environmental remote sensing, Chiba University. The instructions, guidance, patience, and encouragement from Prof. Kotsuki have played a pivotal role in helping me navigate through the challenges during my work. I appreciate the time and effort that Prof. Kotsuki has taken to mentor me and help me grow in the academic society. I am grateful to have had the opportunity to work in the world leading top research laboratory. I thank all the laboratory members for your kindly help and assistance. With sincerely appreciation. (Mao Ouyang)