Now showing items 1-10 of 85
Ecological functionality of the Upper and Middle Vaal Water Management areas
A harmonised in-stream water quality guideline was constructed for the Upper and Middle Vaal Water Management Areas (WMAs) using ideal catchment background values for the sub-catchments; Vaal dam, Vaal barrage, Klip River ...
Violence at the end of the rainbow
(Taylor and Francis, 2013-02-26)
South Africa presents contradictory images—that of a miracle of reconcilia- tion, the Rainbow Nation, and that of societal decay, evidenced by the police shooting of thirty-six mineworkers at Marikana in 2012. It is ...
Integrating quality and cost of surface raw water : upper and middle Vaal water management areas South Africa
(IWA Publishing, 2010)
The user-pays principle encourages use of a water tariff structure that incorporates pollution and/or depletion of a water resource because that water represents a capital resource base. Development of a tool that models ...
Righting an inverted pyramid : managing a perfect storm
(Centre for the Study of Southern African Literature and Languages, 2013)
The higher education participation rate in South Africa has been stagnant over the last 20 years and this has resulted in a very substantial gap between graduate supply and demand. The pressure for massification is also a ...
Use of remote sensing and geographical information system (GIS) for salinity assessment of Vaal-Harts irrigation scheme, South Africa
Soil salinity is a critical environmental problem in many countries around the world especially the arid and semi-arid countries like South Africa. The problem has great impact on soil fertility which in turns has a great ...
Treating high nitrate groundwater using surfactant modified zeolite in fixed bed column
(Taylor and Francis, 2011-05-02)
High levels of nitrate in South African groundwater used for drinking purposes are a cause of concern due to the possible human health risks associated with consuming nitrate contaminated water. In this study, nitrate ...
On first integrals of second-order ordinary differential equations
Here we discuss first integrals of a particular representation associated with second-order ordinary differential equations. The linearization problem is a particular case of the equivalence problem together with a number ...
Preface to the special issue on the tercentenary of the Laplace–Runge–Lenz vector
Learning from the first year of the Transformative Education/al Studies (TES) project
The Transformative Education/al Studies project (TES) is a three-year, funded project led by researchers from three universities: a University of Technology, a Research-Intensive university, and a rural Comprehensive ...
Towards establishing guidelines for performance appraisal of subject librarians in KwaZulu-Natal academic libraries
A common theme emerging in the library world today is that quality service in the library and information centre is dependent on the quality performance of personnel. Prior to conducting performance appraisals, managers ...