Xiaomei Lu^1,2, Yongxiang Hu², Yuekui Yang³, Ali H Omar⁴ and Charles R Trepte², (1)Science Systems and Applications, Inc. Hampton, Hampton, VA, United States, (2)NASA Langley Research Center, Hampton, VA, United States, (3)NASA, Greenbelt, MD, United States, (4)NASA/Langley Research Ctr, Hampton, VA, United States