1. Department of Atmospheric and Oceanic Sciences, Laboratory for Climate and Ocean-Atmosphere Studies, Peking University, Beijing 100871, China
2. Beijing Innovation Center for Engineering Science and Advanced Technology (BIC-ESAT), Peking University, Beijing 100871, China
3. Division of Chemistry and Biochemistry, Nanyang Technological University, Singapore 639798, Singapore
4. Earth Observatory of Singapore, Nanyang Technological University, Singapore 639798, Singapore
5. John A. Paulson School of Environment and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
6. Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
7. Campus for Research Excellence and Technological Enterprise (CREATE) Programme, Singapore 138602, Singapore