1. School of Earth Sciences and Engineering, Hohai University, Nanjing, China
2. School of Hydrology and Water Resources, Hohai University, Nanjing, China
3. School of Environment, Faculty of Science, University of Auckland, Auckland, New Zealand
4. Shandong Academy of Forestry Sciences, Jinan, China
5. Asian School of the Environment, Nanyang Technological University, Singapore
6. Earth Observatory of Singapore, Singapore