• 5.9 - Modelling estuaries in data-poor environments

  

  Author: Scharler, UM ; Gerber, G ; Taljaard, Susan ; Mackay, F Date: Mar 2024 Models are inherently data-hungry for the construction, calibration, validation and predictive capacity that is demanded of models. In data-poor environments, a severe challenge to modelling is the lack of historic data, and present lack of ... Read more
• Development of a new asphalt mix design manual for South Africa

  

  Author: Anochie-Boateng, J ; O’Connell, JS ; Verhaeghe, BMJ ; Myburgh, P Date: Aug 2015 A need existed to update the South African design methods for asphalt mixes, particularly in the light of current developments in the country such as the revision of the South African Road Design System (SARDS), and the increasing demand for, ... Read more
• Scenarios for the South African maritime sector

  

  Author: Claassen, M ; Funke, NS ; Lysko, MD ; Ntombela, CP Date: Nov 2014 The chapter explores possible scenarios for the South African maritime sector through the application of established scenarios theory. Read more c b
• Performance of geopolymer concrete subjected to mineral acid tests in static and dynamic conditions

  

  Author: Dlamini, Mandla N ; Alexander, M Date: Jan 2024 Geopolymer cements are an emerging alternative binder to Portland cements, characterised by an alumino-silicate polymer network nanostructure. These binders are purported to possess numerous beneficial properties such as acid resistance and ... Read more
• SADC’s settlement hierarchy and networks in support of cross-border regional development

  

  Author: Maritz, Johan ; Le Roux, Alize ; Van Huyssteen, Elsona Date: Mar 2024 This chapter emphasises the merit of creating a SADC regional settlement profile. It unfolds in three segments: review of regional settlement development trends; spotlight on urban significance and the imperative of a shared settlement profile, ... Read more
• Ground-based surveillance and classification radar for wildlife protection

  

  Author: Berndt, Robert J ; Wabeke, Leon O ; Van Rensburg, Vanessa ; Potgieter, Pieter F ; Kloke, Kevin H Date: Nov 2023 Wildlife poaching has become an increasingly large problem over the last decade in southern Africa. There have consequently been worrying declines in rhinoceros population levels. As part of a multi-year effort to investigate and develop ... Read more
• Potential opportunities to convert waste to bio-based chemicals at an industrial scale in South Africa

  

  Author: Mandree, PM ; Thopil, GA ; Ramchuran, Santosh O Date: Oct 2023 Globally, greater than 30% of waste is disposed of in some form of landfill, and it is estimated that annual waste-related emissions will increase by up to 76% by 2050. Emissions arising from fossil fuel-derived products and waste disposal ... Read more
• Uncertainty in disaster risk management: A reflection on cyclone idai using the systems thinking approach

  

  Author: Mutanga, Shingirirai S ; Lunga, W ; Mutanga, Shingirirai S Date: Jul 2021 The increasing frequency of disasters induced by anthropogenic and natural hazards has epitomised the complex nature of dealing with uncertainty. Cyclone Idai-induced floods in Southern Africa had a series of foreseeable and unforeseeable ... Read more
• Integrated framework for enhancing SDN security and reliability

  

  Author: Isong, B ; Ratanang, T ; Gasela, N ; Abu-Mahfouz, Adnan MI Date: Nov 2023 This paper addresses the issues of fault tolerance (FT) and intrusion detection (ID) in the Software-defined networking (SDN) environment. We design an integrated model that combines the FT-Manager as an FT mechanism and an ID-Manager, as an ... Read more
• Understanding diarrhoeal diseases in response to climate variability and drought in Cape Town, South Africa: A mixed methods approach

  

  Author: Lee, TT ; Dalvie, MA ; Röösli, MS ; Merten, S ; Kwiatkowski, M ; Sweijd, Neville A ; Cissé, G ; Mahomed, H Date: Aug 2023 Background: The climate of southern Africa is expected to become hotter and drier with more frequent severe droughts and the incidence of diarrhoea to increase. From 2015 to 2018, Cape Town, South Africa, experienced a severe drought which ... Read more
• Machine learning – Imaging applications in transport systems: A review

  

  Author: Adams, A ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Nov 2023 Transport systems are fundamental to supporting economic growth, and the need for smarter, safer, more efficient and climate neutral transport systems continues to grow. Maintenance and operation of transport infrastructure is expensive and ... Read more
• Towards a privacy compliance assessment toolkit

  

  Author: Moabalobelo, Phindile T ; Ngobeni, Sipho J ; Molema, Bokang C ; Pantsi, Phumeza N ; Dlamini, Thandokuhle M ; Nelufule, Nthatheni Date: Jun 2023 The South African Protection of Personal Information (POPI) Act No.4 of 2013 makes it illegal to collect, use, process or store personal information unless it is done in accordance with the prescribed legal and regulatory clauses enriched in ... Read more
• Defining the South African acute respiratory infectious disease season

  

  Author: Motlogeloa, O ; Fitchett, JM ; Sweijd, Neville A Date: Jan 2023 The acute respiratory infectious disease season, or colloquially the “flu season”, is defined as the annually recurring period characterized by the prevalence of an outbreak of acute respiratory infectious diseases. It has been widely agreed ... Read more
• In living colour – South African aquatic scientists make a splash in biodiversity campaign

  

  Author: Lain, Elisabeth J ; Smith, Marie E Date: Jan 2024 A new age of satellite remote sensing is upon us. High-tech sensors capable of imaging the earth at over 100 spectral wavebands are now a reality. These sensors, known as hyperspectral radiometers, capture very fine spectral features of the ... Read more
• Efficacy of a plant-produced clade 2.3.4.4 H5 influenza virus-like particle vaccine in layer hens

  

  Author: Abolnik, C ; O'Kennedy, Martha M ; Murphy, MA ; Wandrag, DBR Date: Jun 2022 Outbreaks caused by Goose/Guangdong H5 highly pathogenic avian influenza (HPAI)-lineage viruses continue to occur in unprecedented numbers throughout Eurasia, the Middle East and Africa, causing billions of dollars in economic losses and the ... Read more
• Environmental challenges to meeting sustainable development goals in Southern Africa

  

  Author: Mutanga, Shingirirai S ; Skhosana, Felix ; Mateyisi, Mohau ; Thenga, Humbelani F ; Naidoo, Sasha ; Ramoelo, A ; Nangombe, Shingirai S ; Lumsden, Trevor G Date: Jan 2024 There is an inextricable link between ecosystem integrity and the potential for achieving sustainable development goals (SDG). This chapter highlights key ecosystem threats and their drivers within the southern African regional context to ... Read more
• Cradle-to-gate environmental life cycle assessment of limestone calcined clay cement (LC3)

  

  Author: Dumani, Nozonke ; Mapiravana, Joseph Date: Jan 2024 The manufacturing of cement contributes to approximately 5-7% of global anthropogenic carbon dioxide emissions, necessitating the need for reducing the environmental impact. Limestone Calcined Clay Cement (LC3) has emerged as a promising ... Read more
• Quantifying the environmental impacts of a sustainable concrete mix for a block paving system

  

  Author: Dumani, Nozonke ; Mokoena, Refiloe ; Mgangira, Martin Date: Jan 2024 A sustainable concrete mix design, incorporating industrial by-products: fly ash and recycled plastic pellets, was developed, and optimized through laboratory performance-based testing trials. The primary objective of this investigation was ... Read more
• Recommendations for sustainable post COVID-19 eLearning development in rural schools in South Africa

  

  Author: Mthethwa, Siyabonga ; Nthatheni, Ronewa G ; Maremi, Keneilwe J ; Thulare, Tumiso Date: Dec 2023 Prior to the COVID-19 pandemic, many ICT initiatives were implemented in rural schools across the country to improve teaching and learning. This paper discusses the various factors that contributed to the failure to sustain ICT initiatives. ... Read more
• The circular economy, human settlements and municipal government

  

  Author: Cooper, Antony K ; Kruger, Tinus ; Godfrey, Linda K ; Napier, Mark Date: Jan 2024 The linear economy is where resources (including energy and space) move through the economy in one direction, from being harvested, collected or mined, through refining and processing to create products and services, to uses and consumption, ... Read more

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