1. Department of Surveying and Geoinformatics, Delta State University of Science and Technology, Ozoro, Nigeria
2. Australian Rivers Institute, Griffith University, Nathan, QLD, Australia
3. School of Environment & Science, Griffith University, Nathan, QLD, Australia
4. Department of Surveying and Geoinformatics, University of Lagos, Lagos, Nigeria
5. Department of Surveying and Geoinformatics, Federal University of Science and Technology, Minna, Nigeria