1. a Environmental Systems and Climate Change Programme, Centre of Excellence in Agricultural Development and Sustainable Environment, Federal University of Agriculture, Abeokuta, P.M.B. 2240, Alabata Road, Abeokuta, Ogun State, Nigeria
2. b Department of Physics, College of Physical Sciences, Federal University of Agriculture, Abeokuta, P.M.B. 2240, Alabata Road, Abeokuta, Ogun State, Nigeria
3. c Department of Water Resources and Agrometeorology, College of Environmental Resources Management, Federal University of Agriculture, Abeokuta, P.M.B. 2240, Alabata Road, Abeokuta, Ogun State, Nigeria
4. d Land and Water Resources Management Programme & Agricultural and Environmental Engineering Unit, Obafemi Awolowo University, Institute of Agricultural Research and Training, Moor Plantation, P.M.B. 5029, Ibadan, Oyo State, Nigeria
5. e Land Information Network Office (LINO)/GIS Laboratory, Obafemi Awolowo University, Institute of Agricultural Research and Training, Moor Plantation, P.M.B. 5029, Ibadan, Oyo State, Nigeria
6. f Department of Mathematical and Physical Sciences, Afe Babalola University, km 8.5, along Afe Babalola Way, Ado-Ekiti, Ekiti State, Nigeria