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Researchspace: Recent submissions

  • Smith, Marie E; Robertson, lain L; Bernard, Stewart (Elsevier, 2018-06)
    Productive upwelling zones such as the southern Benguela can exhibit phytoplankton biomass variability over several orders of magnitude, from near oligotrophic offshore waters to hypertrophic inshore blooms of>100 mgm ...
  • Van der Sluijs, MHJ; Hunter, L (Taylor & Francis, 2018-05)
    This review focusses on physical forms of contaminant including the presence, prevention and/or removal of foreign bodies, stickiness and seed-coat fragments rather than the type and quantity of chemical residues that might ...
  • Modiba, Rosinah; Chauke, H; Ngoepe, P (2017-09)
    The study on the Ti-based materials and its application has been the interest of many research industries. These alloys are known to have an ordered B2 phase at high temperatures and transform to a stable low B19 martensitic ...
  • Meissner, Richard; Funke, Nicola S; Nortje, Karen; Jacobs-Mata, Inga M; Moyo, Elliot S; Steyn, Maronel; Shadung, Justinus M; Masangane, Winile; Nohayi, Ngowenani (Elsevier, 2018-05)
    As one of the 40 driest countries in the world with an annual average rainfall of 497 mm, South Africa is a water-scarce country. Additionally, South Africa’s rate of economic development is closely linked to its water ...
  • Oelofse, Suzanna HH; Nahman, Anton; Godfrey, Linda K (United Nations Environment Programme, 2018-06)
    The global waste sector is undergoing a paradigm shift from “waste” to that of “secondary resource” within the vision of a circular global economy. The circular economy emphasizes keeping resources in use for as long as ...
  • Can Görür, O; Sivrikaya, F; Rosman, Benjamin S; Albayrak, S (ACM, 2018-03)
    We propose an architecture as a robot’s decision-making mechanism to anticipate a human’s state of mind, and so plan accordingly during a human-robot collaboration task. At the core of the architecture lies a novel stochastic ...
  • Marom, O; Rosman, Benjamin S (AAAI, 2018-02)
    A key challenge in many reinforcement learning problems is delayed rewards, which can significantly slow down learning. Although reward shaping has previously been introduced to accelerate learning by bootstrapping an agent ...
  • Ntshidi, Zanele; Gush, Mark B; Dzikiti, Sebinasi; Le Maitre, David C (Water Research Commission, 2018-04)
    Invasive alien plants (IAPs) pose a serious threat to the already limited water resources in dry countries like South Africa which are facing increasing water shortages. Much of South Africa is expected to get drier in ...
  • Jovanovic, Nebojsa; Musvoto, Constansia D; De Clercq, W; Pienaar, C; Petja, B; Zairi, A; Hanafi, S; Ajmi, T; Mailhol, JC; Cheviron, B (Wiley, 2018-01)
    Agriculture in developing countries will have to transform and increase production by an estimated 70% in order to meet demands by 2050. Although well-managed commercial farms offer little manoeuvring space for increasing ...
  • Meyer, I; Braby, L; Krug, Marjolaine J; Backeberg, Bjorn-Christoph (Springer, 2017-04)
    The potential for energy extraction from the fast-flowing Agulhas Current along South Africa’s East Coast is examined. Potentially suitable regions are evaluated using state-of-the-art satellite remote-sensing, predictive ...
  • Page, Philip R (Hindawi, 2018-05)
    The sensitivity of a pressurised water distribution system (WDS) to state parameter variations is studied. A novel local regional sensitivity analysis (LRSA) approach is introduced which applies the same change to a ...
  • Shalin, S; Samuelsen, A; Korosov, A; Menon, N; Backeberg, Bjorn-Christoph; Pettersson, LH (Copernicus Publications, 2018-03)
    The spatial and temporal variability of marine autotrophic abundance, expressed as chlorophyll concentration, is monitored from space and used to delineate the surface signature of marine ecosystem zones with distinct ...
  • Oelofse, Suzanna HH (United Nations Environment Programme, 2018-06)
    The focus of this chapter is on the enabling governance environment to support sustainable waste management systems in Africa. The introduction section provides background on what is meant by governance and good governance ...
  • Ramoelo, Abel; Stolter, C; Joubert, D; Cho, Moses A; Groengroeft, A; Madibela, OR; Zimmermann, I; Pringle, H (Klaus Hess Publishers, 2018-04)
    Rangelands provide vast landscapes for grazing and foraging for livestock and wildlife. Services of rangelands are diverse and generally provide food for millions of the world’s population, especially the rural and sometimes ...
  • Stolter, C; Ramoelo, Abel; Kesch, K; Madibela, OR; Cho, Moses A; Joubert, DF (Klaus Hess Publishers, 2018-04)
    In light of the growing human population, the pressure on herbivores (livestock and wild herbivores) will be accelerated, resulting in a need for effective land management. To achieve this, information and knowledge about ...
  • Anochie-Boateng, Joseph; George, Theresa B (ICE Publishing, 2017-06)
    Recent study at the Council for Scientific and Industrial Research in South Africa has revealed the potential to substitute depleting natural aggregates with waste crushed glass in asphalt mixes. This paper presents an ...
  • Hoosain, Shaik (2017-10)
    Additive manufacturing (AM), widely known as 3D printing, is a method of manufacturing that forms parts from powder, wire or sheets in a process that proceeds layer by layer. Many techniques have been developed to accomplish ...
  • Van Schalkwyk, Richard F; Smit, Johan C (IEEE, 2017-10)
    In this paper the process followed in generating a high fidelity reference data set for radar cross section (RCS) modelling validation for a full-scale aircraft, is presented. An overview of two dynamic RCS measurement ...
  • Mthethwa, Sthembile; Dlamini, Nelisiwe P (2018-03)
    Hardcopy document forgery is still a challenge and occurs frequently nowadays. Many countries have reported a lot of cases, including South Africa where government issues documents are forged. Protecting these documents ...
  • Ntlangu, Mbulelo Brenwen; Baghai-Wadji, A (Association for Computing Machinery (ACM), 2017-12)
    With the advent of Internet of Things (IoT) technology, the need for tools which facilitate the development and management of network based services has become increasingly important. Issues such as network security and ...