1. Department of Geomatics, University of Benin, Benin City, Nigeria
2. Department of Civil and Environmental Engineering, Delta State University, Abraka, Nigeria
3. Department of Civil and Environmental Engineering, Federal University of Technology, Akure, Nigeria
4. Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, People’s Republic of China
5. University of Chinese Academy of Sciences, Beijing, People’s Republic of China
6. Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, People’s Republic of China
7. Department of Civil and Construction Engineering, Technical University of Kenya, Nairobi, Kenya