Siyu Shan, Earth System Science Interdisciplinary Center, COLLEGE PARK, MD, United States, Chenxi Wang, University of Maryland College Park, College Park, MD, United States, Zhanqing Li, Univ of Maryland College Park, College Park, MD, United States, Zhibo Zhang, University of Maryland Baltimore County, Baltimore, MD, United States and Dong Liang Wu, NASA/Goddard Space Flight Cent, Greenbelt, MD, United States