1. Graduate School of Systems and Information Engineering, The University of Tsukuba, Ibaraki, Japan
2. Center for Agricultural Research and Ecological Studies (CARES), Vietnam National University of Agriculture, Hanoi, Vietnam
3. Department of Biological and Environmental Engineering, Faculty of Agriculture, The University of Tokyo, Tokyo, Japan
4. Department of Marine Mechanics and Environment, Institute of Mechanics, Vietnam Academy of Science and Technology (VAST), Ba Dinh, Vietnam
5. Geographic Information System group, Department of Business and IT, University College of Southeast Norway, Bø i Telemark, Norway