1. Department
of Chemical and Biochemical Engineering, University of Iowa, Iowa City, Iowa 52242, United States
2. Center
for Global and Regional Environmental Research, University of Iowa, Iowa City, Iowa 52242, United States
3. Atmospheric
Chemistry Observations and Modeling (ACOM) Lab, National Center for Atmospheric Research (NCAR), Boulder, Colorado 80305, United States
4. State
Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric
Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China
5. Department
of Earth and Atmospheric Sciences, The University of Houston, Houston, Texas 77004, United States
6. Ministry
of Education Key Laboratory for Earth System Modeling, Center for
Earth System Science, Tsinghua University, Beijing, China
7. NOAA Earth System
Research Laboratory (ESRL), Boulder, Colorado 80305, United States
8. Division
of Atmospheric Sciences, Desert Research Institute, Reno, Nevada 89119, United States