1. Institute for the Advanced Study of Sustainability, United Nations University, Tokyo, Japan;
2. Department of Remote Sensing and Geoscience Information System (GIS), Federal University of Technology, Akure, Ondo State, Nigeria;
3. Ministry of Megapolis and Western Development, Battaramulla, Sri Lanka;
4. Graduate School of Environmental Science, Hokkaido University, Sapporo, Hokkaido, Japan