1. Unit for Environmental Sciences and Management, North-West University, Potchefstroom, North-West Province, South Africa
2. Unit for Environmental Sciences and Management, School of Geo- and Spatial Sciences, North-West University, Potchefstroom, North-West Province, South Africa
3. African Centre for Disaster Studies, Unit for Environmental Sciences and Management, School of Geo- and Spatial Sciences, North-West University, Potchefstroom, North-West Province, South Africa