1. Atmospheric Science and Global Change DivisionPacific Northwest National LaboratoryRichland Washington USA
2. Now at Institute for Climate and Global Change Research & School of Atmospheric SciencesNanjing UniversityNanjing China
3. University of Wisconsin—MilwaukeeMilwaukee Wisconsin USA
4. Department of Atmospheric ScienceUniversity of WyomingLaramie Wyoming USA
5. Institute of Atmospheric PhysicsBeijing China
6. Climate Change Research Center, Chinese Academy of SciencesBeijing China