• Integration of in-mine seismic and GPR surveys to gain advanced knowledge of Bushveld Complex orebodies

  

  Author: Onyebueke, EO ; Manzi, MSD ; Rapetsoa, MK ; Kgarume, Thabang E ; Westgate, M ; Durrheim, RJ ; Pienaar, M ; Sihoyiya, M ; Mpofu, Mvikel ; Van Schoor, Abraham M Date: Aug 2023 Improving the exploration of deep-seated mineral deposits and assessing the stability of the mine pillars require that geophysical techniques are deployed in a fast and cost-effective manner with minimal environmental impact. This research ... Read more
• Computational Fluid Dynamics Modelling of Phenol Oxidation in a Trickle-Bed Reactor using 3D Eulerian Model

  

  Author: Makatsa, TJ ; Baloyi, Siwela J ; Masuku, CM Date: Jul 2021 Catalytic wet-air oxidation is an attractive solution to treating refractory wastewater. The process has been demonstrated at laboratory scale over a low-cost pillared clay catalyst in a trickle-bed reactor. However, complex interaction of ... Read more
• Sea-ice impacts inter-annual variability in bloom phenology and carbon export in the Weddell Sea

  

  Author: Giddy, IS ; Nicholson, Sarah-Anne ; Queste, RY ; Thomalla, Sandy J ; Swart, S Date: Aug 2023 The Antarctic Marginal Ice Zone (MIZ) accounts for 15% of the Southern Ocean's primary production (PP), but limited data has hindered understanding of its variability and connection to carbon export. Using a combination of gliders, biogeochemical ... Read more
• IoT-enabled WBAN and machine learning for speech emotion recognition in patients

  

  Author: Olatinwo, DD ; Hancke, G ; Myburgh, H ; Abu-Mahfouz, Adnan MI Date: Mar 2023 Internet of things (IoT)-enabled wireless body area network (WBAN) is an emerging technology that combines medical devices, wireless devices, and non-medical devices for healthcare management applications. Speech emotion recognition (SER) is ... Read more
• The Southern Ocean mixed layer and its boundary fluxes: Fine-scale observational progress and future research priorities

  

  Author: Swart, S ; Du Plessis, MD ; Nicholson, Sarah-Anne ; Monteiro, Pedro MS ; Dove, LA ; Thomalla, Sandy J ; Thompson, AF ; Biddle, LC ; Edholm, JM ; Giddy, Isabelle Date: May 2023 Interactions between the upper ocean and air-ice-ocean fluxes in the Southern Ocean play a critical role in global climate by impacting the overturning circulation and oceanic heat and carbon uptake. Remote and challenging conditions have led ... Read more
• Using distributed ledger technology for digital forensic investigation purposes on tendering projects

  

  Author: Ramazhamba, Pardon T ; Venter, HS Date: Mar 2023 The South African Local Government (SALG) uses the tendering system to procure goods and services. Some of these tendering projects are aimed at promoting socio-economic and industrial policies. Hence, the tendering system used by SALG should ... Read more
• Southern Ocean phytoplankton dynamics and carbon export: Insights from a seasonal cycle approach

  

  Author: Thomalla, Sandy J ; Du Plessis, M ; Fauchereau, N ; Giddy, I ; Gregor, L ; Henson, S ; Joubert, WR ; Little, H ; Monteiro, Pedro MS ; Mtshali, T ; Nicholson, Sarah-Anne ; Ryan-Keogh, Thomas J ; Swart, S Date: May 2023 Quantifying the strength and efficiency of the Southern Ocean biological carbon pump (BCP) and its response to predicted changes in the Earth's climate is fundamental to our ability to predict long-term changes in the global carbon cycle and, ... Read more
• Southern ocean carbon and heat impact on climate

  

  Author: Sallée, JB ; Abrahamsen, EP ; Allaigre, C ; Brearley, JA ; De Lavergne, C ; Ten Doeschate, AMM ; Droste, ES ; Monteiro, PMS ; Nicholson, Sarah-Anne ; The SO-CHI Consortium untranslated Date: May 2023 The Southern Ocean greatly contributes to the regulation of the global climate by controlling important heat and carbon exchanges between the atmosphere and the ocean. Rates of climate change on decadal timescales are therefore impacted by ... Read more
• Bacteria and archaea regulate particulate organic matter export in suspended and sinking marine particle fractions

  

  Author: Dithugoe, Choaro D ; Bezuidt, OKI ; Cavan, EL ; Froneman, WP ; Thomalla, Sandy J ; Makhalanyane, TP Date: Apr 2023 The biological carbon pump (BCP) in the Southern Ocean is driven by phytoplankton productivity and is a significant organic matter sink. However, the role of particle-attached (PA) and free-living (FL) prokaryotes (bacteria and archaea) and ... Read more
• Absence of photophysiological response to iron addition in autumn phytoplankton in the Antarctic sea-ice zone

  

  Author: Singh, Asmita ; Fietz, S ; Thomalla, Sandy J ; Sanchez, N ; Ardelan, MV ; Moreau, S ; Kauko, HM ; Fransson, A ; Chierici, M ; Ryan-Keogh, Thomas J Date: Jul 2023 The high nutrient–low chlorophyll condition of the Southern Ocean is generally thought to be caused by the low bioavailability of micronutrients, particularly iron, which plays an integral role in phytoplankton photosynthesis. Nevertheless, ... Read more
• Vertical convergence of turbulent and double-diffusive heat flux drives warming and erosion of Antarctic Winter Water in summer

  

  Author: Giddy, IS ; Fer, I ; Swart, S ; Nicholson, Sarah-Anne Date: May 2023 The seasonal warming of Antarctic Winter Water (WW) is a key process that occurs along the path of deep water transformation to intermediate waters. These intermediate waters then enter the upper branch of the circumpolar overturning circulation. ... Read more
• The integration of smart mobility systems on the revised taxi recapitalisation program as a strategy to modernise the taxi industry

  

  Author: Ditshego, JK ; Mokonyama, Mathetha T Date: Jul 2023 This research was about establishing the extent to which digital technologies have impacted the institutional arrangements, efficiency of operational procedures, and coverage of the Revised Taxi Recapitalisation Program. However, the approach ... Read more
• Efficacy of a plant-produced infectious bronchitis virus-like particle vaccine inspecific pathogen-free chickens

  

  Author: Sepotokele, KM ; O’Kennedy, Martha M ; Hayes, MC ; Wandrag, DBR ; Smith, P ; Abolnik, C Date: Oct 2023 Infectious bronchitis (IB) Gammacoronavirus causes a highly contagious respiratory disease in chickens that is listed by the World Organisation for Animal Health (WOAH). Its high mutation ability has resulted in numerous variants against which ... Read more c b n d
• Two dimensional vortex shedding from a rotating cluster of cylinders

  

  Author: Ndebele, Bright B ; Gledhill, IMA Date: Sep 2023 The dynamics of two-dimensional vortex shedding from a rotating cluster of three cylinders was investigated using Computational Fluid Dynamics (CFD) and Dynamic Mode Decomposition (DMD). The cluster was formed from three circles with equal ... Read more
• A review of optical ultrasound imaging modalities for intravascular imaging

  

  Author: Rushambwa, MC ; Suvendi, R ; Pandelani, Thanyani A ; Palaniappan, R ; Vijean, V ; Nabi, FG Date: Jan 2023 Recent advances in medical imaging include integrating photoacoustic and optoacoustic techniques with conventional imaging modalities. The developments in the latter have led to the use of optics combined with the conventional ultrasound ... Read more
• Guidelines for the provision of bypass roads at and through-ways in cities and towns

  

  Author: Pienaar, PA ; Mokonyama, Mathetha T ; Das, DK ; Pienaar, WJ ; Stander, HJ ; Van As, SC ; Robinson, A Date: Jul 2023 Roads provide linkages between cities and towns, neighbouring countries, and to other points of interest. Up until the mid-20th century, roads forming part of the national network in South Africa generally passed through cities and towns. As ... Read more
• The application of constructivist grounded theory methodology in an urban planning doctoral thesis

  

  Author: Dunn, M ; Nel, V ; Van den Berg, S ; Van Huyssteen, Elsona Date: Sep 2023 The aim of this paper is to show the potential value of using the constructivist grounded theory (CGT) methodology in the Urban and Regional Planning discipline. This is done by reflecting on the application of the CGT fundamentals defined ... Read more
• The role of wastewater-based epidemiology for SARS-CoV-2 in developing countries: Cumulative evidence from South Africa supports sentinel site surveillance to guide public health decision-making

  

  Author: Iwu-Jaja, C ; Ndlovu, NL ; Rachida, S ; Yousif, M ; Taukobong, S ; Macheke, M ; Mhlanga, L ; Van Schalkwyk, C ; Le Roux, Wouter J ; Schaefer, Lisa Date: Jul 2023 The uptake of wastewater-based epidemiology (WBE) for SARS-CoV-2 as a complementary tool for monitoring population-level epidemiological features of the COVID-19 pandemic in low-and-middle-income countries (LMICs) is low. We report on the ... Read more
• A natural language processing technique to identify exaggerated news titles

  

  Author: Sefara, Tshephisho J ; Rangata, Mapitsi R Date: Oct 2023 Exaggerated news titles are used to deceive news readers and spread misleading information. This paper presents a new natural language processing (NLP) technique that identifies exaggerated news titles. The technique uses Jaccard similarity ... Read more
• Community social-needs assessment tool

  

  Author: Likaku, Y ; Pelders, Jodi L ; Bull, S ; Swettenham, T ; Ramparsad, S Date: Jun 2023 Mining, mining modernisation, and eventual mine closure have impacts on mine communities, and an understanding of community socio-economic needs is necessary. This understanding is further important for the conceptualisation of communities ... Read more

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