1. Nansen-Zhu International Research Center, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China
2. Nansen-Zhu International Research Center, Institute of Atmospheric Physics, and Climate Change Research Center, Chinese Academy of Sciences, Beijing, China
3. Nansen-Zhu International Research Center, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, and Nansen Environmental and Remote Sensing Center, Bjerknes Centre for Climate Research, Bergen, Norway