Author:Wattrus, MC; Biffi, M; Pretorius, Cecilia J; Jacobs, DDate:Sep 2016Fuel, engine and after-treatment technologies are powerful levers to reduce diesel particulate matter emissions, however these benefits can only be guaranteed through routine maintenance and equipment monitoring. Portable emissions measurement ...Read more
Author:Pretorius, Cecilia J; Teleka, RuthDate:Jul 2017Cementitious grout support packs are usually assessed for their strength and durability from a safety perspective. Formulations of these packs range from cement mixed with water to resin-based formulations. Over time, these packs start to ...Read more
Author:Gibberd, Jeremy TDate:Oct 2014Measuring sustainability of building materials is complex. Despite this a wide range of different methodologies and systems have been developed. Most of these focus on environmental issues and are based on Life Cycle Assessment (LCA), or ...Read more
Author:Von Maltitz, Graham P; Brent, ADate:Nov 2008Biofuels have been promoted as an environmentally-sustainable solution to the global energy crisis, and a way to counterbalance global increases in CO2. The reality is more complex; under some circumstances biofuels can be a major environmental ...Read more
Author:Gibberd, Jeremy TDate:Oct 2011This paper discusses how the built environment can support sustainable development. It identifies the key characteristics of built environment that can be used to support sustainable development and shows how this can be developed into a set ...Read more
Author:Botai, OJ; Combrinck, WL; Sivakumar, VDate:Sep 2009Recovering geodetic parameters such as tropospheric delay and geodetic site positions and monitoring their variations in time has important applications for studying the processes of the dynamic earth. Geodetic position time series exhibit ...Read more
Author:Ouma, S; Herselman, Martha E; De la Harper, R; VanGruen, DDate:Sep 2010There is a lack of documentation within the healthcare sector that depicts the context of the services that are currently provided within the developing world in hospitals. This has led to a mass failure of healthcare projects that are ...Read more
Author:Amidu, A; Evison, K; Alabi, S; Sjith, V; Jimmy, ADate:Jul 2013Understanding the impact of land use/land cover (LULC) and climate patterns on basin runoff is necessary in assessing basin water stress. This assessment requires long-term observed rainfall time series and LULC spatial data. In order to ...Read more
Author:Yapi, T; O'Farrell, P; Dziba, L; Esler, KDate:Oct 2012In this presentation the author shares some of his MSc research findings to highlight the effects of Acacia mearnsii density and clearing on grazing provision and related resources.Read more
Author:Yapi, T; O'Farrell, Patrick J; Dziba, LE; Esler, KDate:Oct 2012The central aim of this research is to develop a deeper understanding of the
ecological impacts of A. mearnsiiinvasions on the functioning and productivity of rangelands in South Africa and their ability to sustain livestock production.Read more
Author:Cooper, Antony K; Coetzee, S; Kourie, DGDate:Oct 2012In this paper the authors assess two repositories of volunteered geographical information (VGI) (the 2nd South African Bird Atlas Project and OpenStreetMap) against the seven commonly-used dimensions of the quality of geographical information ...Read more
Author:Phahlamohlaka, Letlibe J; Twinomurinzi, V; Ojo, R; Mahlangu, Z; Masanabo, LDate:Sep 2008This paper assesses the quality of the TurnStormer thinkLet as a building block for Collaboration Engineering for the Implementation of the Administrative Justice Act of South Africa. Although a complete research paper on its own, it constitutes ...Read more
Author:Benade, R; Berman, RJ; Kienhöfer, F; Nordengen, Paul ADate:Jul 2016In South Africa there are approximately 12.5 truck-crash-related fatalities per 100 million kilometres travelled. This is between 4 and 10 times higher than a number of European countries such as Denmark, France, Germany and Switzerland and ...Read more
Author:Sebake, Thandi N; Gibberd, Jeremy TDate:Mar 2008In 2010, South Africa will host Africa’s first Fédération Internationale de Football Association (FIFA) World Cup. This will require the refurbishment and development of new stadia and an objective in this development is to continue with the ...Read more
Author:Cho, Moses A; Malahlela, O; Ramoelo, AbelDate:Jun 2015Indigenous forest biome in South Africa is highly fragmented into patches of various sizes (most patches < 1 km (sup20). The utilization of timber and non-timber resources by poor rural communities living around protected forest patches produce ...Read more
Author:Scholes, BDate:Oct 2017This presentation discusses the assessment in the global context: From ozone to ecosystems. Process to evaluate the status of knowledge on complex problems relevant to societies. A key element of the contemporary science-policy interface.Read more
Author:Oosthuizen, RudolphDate:Sep 2013In Command and Control, humans have to make sense of the situation to support decision making on the required action. Development of an Air Defence Control system through a Systems Engineering process starts with assessment of existing systems ...Read more
Author:Govindasamy, K; Potgieter, S; Land, K; Muzenda, EDate:Nov 2014Paper based sensors have found application in the clinical, environmental, and veterinary monitoring sectors. Popular examples of paper sensors include lateral flow tests (LFTs) and paper based microfluidic devices. The popularity of these ...Read more
Author:Lück-Vogel, Melanie; Mbolambi, CDate:May 2017Vegetation of the coast around the world fulfils an important role. It acts as a buffer against the impacts from the oceans such as waves and wind and protects the coastal hinterland from wind-blown sand and coastal erosion. However, due to ...Read more
Author:Naidoo, Laven; Mathieu, Renaud SA; Kleynhans, W; Wessels, Konrad J; Asner, GP; Leblon, BDate:Jul 2014The woody component in African Savannahs provides essential ecosystem services such as fuel wood and construction timber to large populations of rural communities. Woody canopy cover (i.e. the percentage area occupied by woody canopy or CC) ...Read more