1. Faculty of Geomatics and Land Administration, Hanoi University of Mining and Geology, Hanoi, Vietnam
2. Faculty of Hydrology, Meteorology and Oceanography, VNU University of Science, Vietnam National University, Hanoi, Vietnam
3. Department of Geography, University of Toronto, Mississauga, Canada
4. School of the Environment, University of Toronto, Toronto, Canada
5. INTERA Incorporated, Austin, TX, USA
6. Faculty of Environment, Hanoi University of Mining and Geology, Hanoi, Vietnam
7. Department of Land Surveying and Geo-Informatics, Hong Kong Polytechnic University, Hong Kong, China