Chuanfeng Zhao, Beijing Normal University, College of Global Change and Earth System Science, Beijing, China, Yanluan Lin, Tsinghua University, Department of Earth System Science, Beijing, China, Yuan Wang, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Zhanqing Li, Univ of Maryland College Park, College Park, MD, United States and Daniel Rosenfeld, Hebrew University of Jerusalem, Jerusalem, Israel