On the morning of May 8, 2020, Mr. Xiong Zhou successfully passed his PhD dissertation defense. The title of his thesis is “Development of integrated regional climate modeling methodologies for impact assessment committee”. His profound knowledge and excellent presentation helped him win a good evaluation from external examiner, Dr. Martyn Clark (Associate Director of Centre for Hydrology at the University of Saskatchewan), and other examining committee members (Drs. Gordon Huang, Yiyu Yao, Joseph Piwowar, Hua Zhu and Stephanie Young).