Author:Lötter, Johanna MDate:Oct 2017The agricultural sector in southern Africa needs to produce enough food to feed its current population of 277 million and future predicted population of over 300 million by 2025 (United Nations ESA, 2015). All of this must happen within the ...Read more
Author:Thambiran, Tirusha; Padayachi, Yerdashin RDate:Dec 2017This chapter provides an overview of the latest developments in air quality management and air pollution trends in South Africa. The critical issues of managing air quality in the context of climate change and risk and vulnerability, are also ...Read more
Author:Winkler, H; Altieri, K; Clarke, S; Garland, Rebecca M; Kornelius, G; Meas, MDate:2016Shale gas development (SGD) presents opportunities and risks with regards to air pollution and greenhouse gas (GHG) emissions. There is a potential opportunity to reduce emissions, if shale gas replaces ‘dirtier’ (more emissions-intensive) ...Read more
Author:Van Zyl, TDate:Feb 2014In order to frame the geospatial temporal big data conversation, it is important to discuss them within the context of the three Vs (velocity, variety, and volume) of big data. Each of the Vs brings its own technical requirements to the ...Read more
Author:Gibberd, Jeremy TDate:Dec 2020Climate change and rapid urbanisation have meant there is increasing pressure on water supplies in human settlements in South Africa. This has led to unreliable water supplies and outages. It is therefore important to understand whether there ...Read more
Author:Shatalov, MYDate:Jan 2010A study concerning the propagation of free non-axisymmetric waves in a homogeneous piezoelectric cylinder of transversely isotropic material with axial polarization is carried out on the basis of the linear theory of elasticity and linear ...Read more
Author:Duncker, Louiza C; Wilkinson, MDate:Nov 2014Sustainable development, which encompasses sustainable sanitation, is defined as development that is appropriate, has the specific objectives of accelerated growth, targeted interventions and community mobilisation to eradicate poverty and ...Read more
Author:Tlotleng, Monnamme; Akinlabi, ET; Shukla, M; Pityana, Sisa LDate:Feb 2014Laser assisted cold spraying (LACS) process is a hybrid technique that uses laser and cold spray to deposit solid powders on metal substrates. For bonding to occur, the particle velocities must be supersonic which are achieved by entraining ...Read more
Author:Bandyopadhyay, J; Ray, Suprakas SDate:Jul 2017In 1989, a report from the Toyota Central Research and Development Laboratory on the synthesis of nanoclay-containing polymide nanocomposites using in situ polymerization opened a new era for polymer nanocomposites (PNCs). PNCs provide several ...Read more
Author:Dlungwana, Wilkin S; Mapiravana, Joseph; Ampofo-Anti, Naa Lamkai; Dumani, NozonkeDate:Dec 2017The building sector represented the largest uptake globally of natural fibre reinforced
composites (NFRCs)1 in 2005 (Sharma et al, 2007). As the sector which consumes
about 50% of all raw materials extracted from the Earth’s crust annually ...Read more
Author:Masango, Mfundo G; Mouton, Francois; Antony, Palesa; Mangoale, Bokang CDate:Mar 2018Websites have become a form of information distribution; usage of websites has seen a significant rise in the amount of information circulated on the Internet. Some businesses have created websites that display services the business renders ...Read more
Author:Conradie, Dirk CUDate:Jan 2013Previous chapters, Maximising the Sun (Conradie, 2011) and SA Climate Zones and Weather Files (Conradie, 2012), gave an introduction of the current South African climatic characteristics. This chapter explores appropriate passive design ...Read more
Author:Yonli, AH; Godfrey, Linda KDate:Jun 2018Many proven alternative waste treatment technologies (to landfilling) are available worldwide. However, not all of these are appropriate or economically viable (at least in the short-term) for implementation in Africa. This chapter explores ...Read more
Author:Crichton, R; Moodley, D; Pillay, A; Gakuba, R; Seebregts, CJDate:Jun 2013Rwanda, one of the smallest and most densely populated countries in Africa, has made rapid and substantial progress towards designing and deploying a national health information system. One of the more challenging aspects of the system is the ...Read more
Author:Van Wilgen, B; Impson, NDDate:2011South Africa has abundant biodiversity, but also many invasive alien species, especially plants and fish, that can transform ecosystems. Invading alien trees and shrubs impact on fynbos and threaten up to a quarter of the nation's plant ...Read more
Author:Gush, Mark BDate:2010This chapter provides a methodology for assessing the hydrological impacts of tree-based bioenergy feedstock. Based on experience gained in South Africa, it discusses the tasks required to reach an understanding of the likely water resource ...Read more
Author:Cooper, Antony K; Coetzee, S; Kourie, DGDate:Apr 2012User-generated content (UGC) in general, and volunteered geographical information (VGI) in particular, are becoming more important as sources for official data bases, such as those used in national spatial data infrastructures (SDIs). Discovering ...Read more
Author:Candy, LP; Lasenby, JDate:2011Several applications require the tracking of attitude and position of a body based on velocity data. It is tempting to use direction cosine matrices (DCM), for example, to track attitude based on angular velocity data, and to integrate the ...Read more