1. Department of Atmospheric Science University of Wyoming Laramie Wyoming USA
2. Now at Brookhaven National Laboratory Upton New York USA
3. Key Laboratory of Atmospheric Composition and Optical Radiation, Anhui Institute of Optics, Fine Mechanics Chinese Academy of Sciences Hefei China
4. Key Laboratory for Aerosol‐Cloud‐Precipitation of China Meteorological Administration Nanjing University of Information Science and Technology Nanjing China
5. Pacific Northwest National Laboratory Richland Washington USA