1. Earth Observatory of Singapore, Nanyang Technological University, Singapore 639798, Singapore
2. Asian School of Environment, Nanyang Technological University, Singapore 639798, Singapore
3. Department of Geosciences, National Taiwan University, Taipei 10617, Taiwan
4. Department of Atmospheric Science, Yunnan University, Kunming 650500, China
5. Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
6. School of Geographical Sciences, Fujian Normal University, Fuzhou 350007, China
7. Department of Geological Engineering, Hasanuddin University, Makassar 90245, Indonesia
8. Department of Earth, Environmental, and Planetary Sciences, Brown University, Providence, RI 02912