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Department of Geology

Matthys A. Dippenaar

Lecturer: Engineering Geology and Hydrogeology

Office: 4-34 Natural Sciences 2 Building

E-mail: matthys.dippenaar@up.ac.za / madip@up.ac.za  

Phone: +27 (0)12 420 3117


RESEARCH INTERESTS

Researcher ID
Google Scholar

Present focus:

  • Assessment of historical large volume Light Non-Aqueous Phase Liquid spill in fractured Gneiss (2002 - ...)
  • SANParks Kruger National Park: Compilation of Detailed Geological and Weathering Profile Maps of the Research Supersites (2012 - 2013)
  • Water Research Commission (WRC) funded project K5/2150: Hydrological Heritage Overview: The Water Resources of the City of Tshwane Municipality (2012 - 2013)
  • Water Research Commission (WRC) funded project K5/2052: Vadose Zone Hydrology: Review and Evaluation of Processes and Techniques (2011 - 2014)
  • Water Research Commission (WRC) funded project K8/876: Preliminary Vadose Zone Classification Methodology (Molototsi and Middle Letaba Quaternary Catchments) (2009 - 2010)
  • Evaluation of vadose zone investigation methodologies and subsequently assessing ground-based sanitation and waste disposal options

Ongoing research and interests:

  • Cemeteries, ground-based sanitation, wetlands and infrastructure influenced by shallow or perched water
  • Basement granites: geotechnical and hydrogeological properties to characterise vadose zone conditions
  • Land facets versus indicator properties
  • Structural controls on groundwater occurrence
  • Determination of actual non-aqueous phase liquid (NAPL) plume thickness
  • Pedogenic processes and the influence of percolating water

EDUCATION

  • In progress: PhD Engineering- and Environmental Geology, University of Pretoria, RSA
  • 2009: MSc Engineering- and Environmental Geology, University of Pretoria, RSA
  • 2002: BSc (Hons) Engineering- and Environmental Geology, University of Pretoria, RSA
  • 2001: BSc Earth Sciences, University of Pretoria, RSA

EMPLOYMENT

  • 2007-present: Lecturer in Hydrogeology and Engineering Geology, University of Pretoria, RSA
  • 2006-present: Consulting Engineering Geologist / Hydrogeologist to Industry
  • 2005-2006: Engineering Geologist / Hydrogeologist, Private Consulting Company
  • 2004-2005: Contamination Hydrogeologist, Private Consulting Company
  • 2003-2004: Junior Engineering Geologist, Council for Geoscience

TEACHING & PROJECT SUPERVISION

Responsibilities:

  • Map room
  • Hydrogeological equipment
  • Homepage / webmaster
  • Second year mapping exercise
  • Alumni function

Post-graduate Project Supervision:

For more information on student projects, click here.

In progress M.Sc.:

  • 2013-present: Supervision of M.Sc. project for Mr Joseph Mulders (Environmental Managem.) 
  • 2013-present: Supervision of M.Sc. project for Ms Vevanya Naidoo (Hydrogeology)
  • 2012-present: Supervision of M.Sc. project for Ms Mahlogonolo Phahlamohlaka (Hydrogeology)
  • 2011-present: Supervision of M.Sc. project for Mr Tiyani Maluleke (Hydrogeology)
  • 2011-present: Supervision of M.Sc. project for Mr Jako Mostert (GIS)
  • 2011-present: Supervision of M.Sc. project for Ms Nelda Breedt (Hydrogeology)

Completed M.Sc.:

  • 2012-2012: Supervision of M.Sc. project for Mr Altus Huisamen (Hydrogeology)
  • 2009-2012: Supervision of M.Sc. project for Ms Olma Makonto (Hydrogeology)

Completed M.Sc. co-supervision:

  • 2011-2012: Co-supervision of M.Sc. project for Mr Glory Momubagan (Engineering Geology)

Lecturing:

University of Pretoria:

  • 2012-present : GLY 363 Engineering Geology of South Africa
  • 2010-2010: GLY151 Introductory Geology
  • 2009-2011: GLY265 Groundwater
  • 2009-present: Technical Report Writing for postgraduate students
  • 2008-present: GTX727 / 717 Honours Projects
  • 2008-present: GTX713 Site Investigation
  • 2011-present: GTX 715 Environmental Geochemistry
  • 2008-present: GTX716 Environmental Management and Risk Assessment
  • 2008-present: GTX726 Rock and Soil Improvement
  • 2007-present: SGM210 Geomaterials and Processes
  • 2007-2008: GLY152 Physical Geology
  • 2005-2008: GLY162 Environmental Geology

Other:

  • 2006: GPH201T Geophysics (Tshwane University of Technology, RSA)
  • 2006: EGE311T Environmental Geology (Tshwane University of Technology, RSA)
  • 2006: ENG401T Engineering Geology (Tshwane University of Technology, RSA)

PUBLICATIONS

Scientific Publications:

  • Dippenaar, M. A. (2011). How We Lose Ground When Earth Scientists Become Territorial: Defining ‘‘Soil’’. Natural Resources Research. DOI: 10.1007/s11053-011-9160-2
  • Dippenaar, M. A., Witthüser, K. T. & Van Rooy, J. L. (2009). Groundwater occurrence in basement aquifers in Limpopo Province, South Africa: model-setting-scenario approach. Environmental Earth Science. DOI : 10.1007/s12665-009-0044-2
  • Dippenaar, M. A., Sole, M. D., Van Rooy, J. L., Du Toit, G. J. & Reyneke, J. L. (2005). Determining Actual LNAPL Plume Thickness: Review and Case Study in a Fractured Aquifer. Bull. Eng. Geol. Environ. (2005) 64: 347-360.

Popular Publications:

Reference to ongoing research was made in the following popular publications:

Research Reports:

  • Dippenaar, M.A., Van Rooy, J. L., Moyo, A., Makonto, O. T. and Freese, R. (2010). Preliminary Vadose Zone Classification Methodology (Molototsi and Middle Letaba Quaternary Catchments). Water Research Commission report KV 243/10, project K8/876. Pretoria.


CONFERENCES

  • January 2013: Presented Considering Water as a Geoheritage: the Springs supplying South Africa's Capital. Proceedings: 24th Colloquium on African Geology (CAG). Addis Ababa January 2013.
  • January 2013: Co-authored with Huisamen, A. Unsaturated Flow through Platinum Tailings Materials: a Hydrogeological Characterisation. Proceedings: 24th Colloquium on African Geology (CAG). Addis Ababa January 2013.
  • January 2013: Co-authored with Huisamen, A. Contaminant Mobilisation by Fluid-Rock Interaction in Platinum Tailings: a Geochemical Characterisation. Proceedings: 24th Colloquium on African Geology (CAG). Addis Ababa January 2013.
  • January 2013: Presented; co-authored with Breedt, N. Understanding Subterranean Hydrology in the Delineation of Wetlands - a Phreatic Hillslope Wetland on Permian Sandstone in South Africa. Proceedings: 24th Colloquium on African Geology (CAG). Addis Ababa January 2013.
  • September 2012: Presented How can Early Career Hydrogeologists be Groundwater Advocates to the Outreach Commission. Proceedings: Confronting Global Change. International Association of Hydrogeologists (IAH). Niagara Falls September 2012. (with Viviana Re, Judith Flugge and Mark Cuthbert)
  • September 2012: Presented by Nelda Breedt. Understanding Subterranean Hydrology in the Delineation of Wetlands – a Temporary Hillslope Wetland on Basement Granite in South Africa. Proceedings: Confronting Global Change. International Association of Hydrogeologists (IAH). Niagara Falls September 2012. (with Nelda Breedt)
  • September 2012: Presented poster on A Temporary Hillslope Wetland Exposed: Lessons from the Destruction of a Sensitive Ecosystem. Proceedings: Confronting Global Change. International Association of Hydrogeologists (IAH). Niagara Falls September 2012. (with Nelda Breedt)
  • September 2011: Presented Between Surface Water and Groundwater - a look at the Pathway In-between. Ground Water Division of the Geological Society of South Africa/ International Association of Hydrogeologists (Biennial GWD in association with IAH, gwd.org.za), Pretoria, 19 - 21 September 2011. (with Nelda Breedt)
  • September 2010: Presented Granite Weathering and the Implications on Infrastructure Development in South Africa and Model-Setting-Scenario Approach to assess the Vadose Zone in South Africa, IAEG2010.com, Auckland, 5 - 10 September 2010 (co-author with J. L. van Rooy)
  • November 2009: Presented Vadose Zone Classification and Aquifer Susceptibility, Biennual Groundwater Conference, Geological Society of South Africa, Groundwater Division, 19 - 21 November 2009, Stellenbosch
  • May 2009: Presented Groundwater Flow and Borehole and Aquifer Testing components of Introduction to Ground Water Workshop, Geological Society of South Africa, Groundwater Division, 19 – 21 May 2009.
  • November 2008: Presented paper on The Use of Index Laboratory Testing to Determine the Engineering Behaviour of Granitic Saprolite, Problem Soils Seminar, South African Institute for Civil Engineers (SAICE), 3 – 4 November 2008, Gauteng.

AFFILIATIONS AND MEMBERSHIPS

  • UP Water Institute: Management Committee (Cluster: Groundwater)
  • SACNASP: South African Council for Natural Scientific Professions; Pr.Sci.Nat. Earth Sciences (400032/06)
  • IUGS: International Union of Geological Sciences; Member of the South African National Committee for the IUGS
  • WRC: Water Research Commission; Reviewer of selected research proposals; Steering committee member for selected WRC projects
  • GWD: Geological Society of South Africa; Member of Groundwater Division; Executive Committee (co-opted) 2011 - present
  • IAH: International Association of Hydrogeologists; Member; Co-chair of Early Career Hydrogeologists Network (ECHN) 2012 - present; secretray of South African chapter 2011 - present
  • TUT: Tshwane University of Technology, Pretoria; External examiner for engineering geology and geohydrology modules
  • SAIEG: South African Institute of Engineering Geology and the Environment; Member
  • GWD-IAH 2011: Executive organising committee of the 2011 joint Ground Water Division / International Association of Hydrogeologists conference in Pretoria
  • GWD 2013: Executive organizing committee of the 2013 Ground Water Division Biannual Conference in Durban

USEFUL LINKS