Department of Geography

Dr A du Plessis

College of Agriculture & Environmental Sciences
School of Environmental Sciences
Department: Geography
Senior Lecturer
Tel: 011 471 2877


  • PhD Geography. Thesis Title - Quantifying and Predicting Hydrological Responses of Water Quality Associated with Land Cover Changes within the Upper Vaal River, South Africa (UJ)
  • MSc Geography. Focussed upon the influence of water flow on water quality within the Vaal Dam Reservoir (UJ).
  • BSc Honours in Geography (UJ)
  • BSc Geography and Environmental Management (UJ)

Currently teaching

GGH3701 - State of the Environment in Southern Africa

Fields of academic interests

Teaching Interests

Physical geography, hydrology, environmental change and problems, environmental management.

Research Interests

Water availability, quality and water related risk. Water resource planning and management. Community based water resource monitoring and management. Hydrological responses accompanied with land cover change. Application of GIS and Remote Sensing in the development of hydrological models.


  • du Plessis, A. 2017: Freshwater Challenges of South Africa and its Upper Vaal River: Current State and Outlook. Springer Water. In print.

Journal articles

  • du Plessis, A Harmse, JT and Fethi, A. 2015. Predicting Water Quality Associated with Land Cover Change with the Application of the Partial Least Squares Method: Case Study of the Grootdraai Dam Catchment, South Africa. Water International, In press.
  • Pretorius, R.W., Nicolau, M.D., Immelman, J., de Jager, A., NÓ§thling, M. and du Plessis, A. 2015. Virtual learning environments for transformation to sustainability: A case study from the "South". In Integrating Sustainability Thinking in Science and Engineering Curricula: Innovative Approaches, Methods and Tools. Springer, p. 335 - 348
  • du Plessis, A Harmse, JT and Fethi, A. 2014. Quantifying and Predicting the Water Quality Associated with Land Cover Change: A Case Study of the Blesbok Spruit Catchment, South Africa. Water, 6 (10), 2946-2946.

Professional positions, fellowships & awards

Professional Societies and Involvement

The Society of South African Geographers – member

The International Water Association – member