Jingzhe Sun^1,2, Zhengyu Liu², Feiyu Lu³, Weimin Zhang^1,4 and Huizan Wang¹, (1)National University of Defense Technology, College of Meteorology and Oceanography, Changsha, China, (2)The Ohio State University, Columbus, OH, United States, (3)Princeton University, Princeton, NJ, United States, (4)Laboratory of Software Engineering for Complex Systems, Changsha, China