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Browsing Journal Articles by Cluster "Smart Places"

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3D evaluation of fine-scale normalised DSMs in urban settings

Author: Breytenbach, Andre Date: Sep 2020 Humankind often needs to accurately model, identify and spatially quantify aboveground phenomena on the Earth’s surface for informed decision-making. Height data derived from digital elevation models (DEMs) is often used to achieve this. This ... 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
Accessibility, affordability, and equity in long-term spatial planning: Perspectives from a developing country

Author: Van Heerden, Quintin ; Karsten, Carike ; Holloway, Jennifer P ; Petzer, Engela ; Burger, Paul AD ; Mans, Gerbrand G Date: May 2022 City planners attempt to create more equitable spaces by providing and improving access to benefits of living in cities, especially for previously disadvantaged urban communities. To this extent, evidence-based decision making is required to ... Read more
Acoustics in South African classrooms: Regulations versus reality

Author: Van Reenen, Coralie A ; Du Plessis, Chrisna Date: Aug 2021 This research set out to broaden the pool of evidence regarding the acoustic conditions at schools in South Africa. A review of local and international literature, standards and design guidelines shows that the ideal classroom acoustic ... Read more
Adapting environmental management systems for African ports

Author: Arabi, Sumaiya ; Taljaard, Susan ; Weerts, Steven P Date: Mar 2022 Globally sustainable environmental practices in ports have been linked to socio-economic benefits. While African ports are increasingly acknowledging environmental issues and starting to address these in environmental policy, many are still ... Read more
Advancing the science of environmental flow management for protection of temporarily closed estuaries and coastal lagoons

Author: Stein, ED ; Gee, EM ; Adams, JB ; Irving, K ; Van Niekerk, Lara Date: Feb 2021 The science needed to inform management of environmental flows to temporarily closed estuaries and coastal lagoons is decades behind the state of knowledge for rivers and large embayments. These globally ubiquitous small systems, which are ... Read more
An aerodynamic CFD analysis of inlet swirl in a micro-gas turbine combustor

Author: Meyers, Bronwyn C ; Grobler, Jan-Hendrik ; Snedden, GC Date: Jul 2023 A combustor was designed for a 200N micro-gas turbine [1, 2] using the NREC preliminary combustor design method [1, 2, 3]. During the design process, there are various aspects where there are no definitive methodologies for specifying the ... Read more
African case studies: Developing pavement temperature maps for performance-graded asphalt bitumen selection

Author: Mokoena, Refiloe ; Mturi, George AJ ; Maritz, Johan ; Mateyisi, Mohau ; Klein, Pieter Date: Jan 2022 The reliable performance of roads is crucial for service delivery, and it is a catalyst for domestic and cross-border spatial development. Paved national roads are expected to carry higher traffic volumes over time as a result of urbanization ... Read more
Ammonium metal phosphates: Emerging materials for energy storage

Author: Raju, Kumar Date: Jun 2020 The search for new materials that can hold the heteroatoms viz., nitrogen, oxygen and phosphorus becomes crucial for robust energy storage and conversion devices. Recently, ammonium metal phosphates (NH4MPO4, M = Mn2+, Ni2+, Co2+, Fe2+, etc.) ... Read more
Analysis of the determinants of household’s water access and payments among the urban poor. A case study of Diepsloot Township

Author: Tshililo, FP ; Mutanga, Shingirirai S ; Sikhwivhilu, K ; Siame, J ; Hongoro, C ; Managa, LR ; Mbohwa, C ; Madyira, DM Date: Oct 2022 Currently, 91% of the world population has access to clean and safe water. Despite this encouraging development exclusion and marginalisation of the poor appear not only to be deepening but fast spreading. Low-income communities in urban areas ... Read more
Antimicrobial resistance screening and profiles: A glimpse from the South African perspective

Author: Genthe, Bettina ; Ndlela, Luyanda L ; Madlala, Tebogo Date: Dec 2020 According to the Centre for Disease Dynamics Economics and Policy, South Africa represents a paradox of antibiotic management similar to other developing countries, with both overuse and underuse (resulting from lack of access) of antibiotics. ... 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
Apportioning human-induced and climate-induced land degradation: A Case of the Greater Sekhukhune District Municipality

Author: Kgaphola, Motsoko J ; Ramoelo, Abel ; Odindi, J ; Mwenge Kahinda, Jean-Marc ; Seetal, Ashwin R Date: Mar 2023 Land degradation (LD) is a global issue that affects sustainability and livelihoods of approximately 1.5 billion people, especially in arid/semi-arid regions. Hence, identifying and assessing LD and its driving forces (natural and anthropogenic) ... Read more
Aquaculture and fisheries decision support tool

Author: Smith, Marie E ; Vhengani, Lufuno M Date: May 2023 This presentation speaks to the challenges with environmental threats such as Harmful Algal Blooms (HABs) and ocean heatwaves that have the potential to negatively affect natural and farmed marine resources. Also, monitoring these events ... Read more
Aquatic environment exposure and toxicity of engineered nanomaterials released from nano-enabled products: Current status and data needs

Author: Moloi, MS ; Lehutso, Raisibe F ; Erasmus, M ; Oberholster, PJ ; Thwala, Melusi Date: Oct 2021 Rapid commercialisation of nano-enabled products (NEPs) elevates the potential environmental release of engineered nanomaterials (ENMs) along the product life cycle. The current review examined the state of the art literature on aquatic ... Read more
Aquatic toxicity effects and risk assessment of ‘Form Specific’ product-released engineered nanomaterials

Author: Lehutso, Raisibe F ; Wesley-Smith, J ; Thwala, Melusi Date: Nov 2021 The study investigated the toxicity effects of ‘form specific’ engineered nanomaterials (ENMs) and ions released from nano-enabled products (NEPs), namely sunscreens, sanitisers, body creams and socks on Pseudokirchneriella subcapitata, ... Read more
Assessing economic vulnerability in South African municipalities: A focus on mining-dependent regions using the Economic Complexity Index

Author: Rossouw, R ; Maritz, Johan Date: Dec 2023 South Africa’s historical reliance on mineral resources has established thriving towns and settlements, sustaining households for decades. However, the decline in demand for these resources and mine closures pose significant threats to the ... Read more
Assessing heavy metal pollution hazard in sediments of Lake Mariout, Egypt

Author: Abu El-Magd, SA ; Taha, TH ; Pienaar, Harrison H ; Breil, P ; Amer, RA ; Namour, PH Date: Apr 2021 The Cd, Cr, Cu, Ni, and Pb concentrations in the sediments of Lake Mariout were measured and estimated by statistical approaches using the contamination factor (CF), pollution load index (PLI), geo-accumulation index (Igeo), Nemerow index ... Read more
Assessing water resources availability in headwater sub-catchments of Pungwe River Basin in a changing climate

Author: Gumbo, AD ; Kapangaziwiri, Evison ; Chikoore, H ; Pienaar, Harrison H Date: Jun 2021 Study Region: The Pungwe River Basin, which is predominantly rural, is a transboundary river shared between Zimbabwe and Mozambique. The riparian communities along the river largely depend on the availability of streamflow for their livelihoods ... Read more
Assessment of homegarden agroforestry for sustainable land management intervention in a degraded landscape in South Africa

Author: Musvoto, Constansia D ; Kgaphola, Motsoko J ; Mwenge Kahinda, Jean-Marc Date: Dec 2021 Agroforestry-based sustainable land management (SLM) interventions provide opportunities for tackling land degradation and its associated socio-economic issues. Agroforestry is not a guaranteed SLM fix as every agroforestry practice is not ... Read more

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