Author:Van den Berg, H; Coetzee, S; Cooper, Antony KDate:Jun 2011Commons are resources that belong to or affect an entire community. In a Web 2.0 environment, users interact and collaborate with each other to produce user generated content that belongs to the community, i.e. a commons. Web 2.0 implies that ...Read more
Author:Breytenbach, Andre; Van Niekerk, ADate:Aug 2019With scant information available on domestic DEM quality and suitable evaluation methods, particularly in city regions, this study set out to evaluate and compare nine contemporary seamless DEM from different sources and spatial resolutions. ...Read more
Author:Mashaba, Nikiwe P; Griffith, DJDate:Nov 2020Absorption, scattering and refractive index fluctuations are three primary phenomena contributing to optical turbulence. Temperature fluctuations, humidity and air velocity cause variations on both temporal and spatial, in the refractive ...Read more
Author:Faling, W; Van Huyssteen, Elsona; Le Roux, AlizeDate:Oct 2012This is a presentation paper on the development of multi-criteria indicators for integrated assessment of socio-economic vulnerability at a regional level. An indication is provided of some first steps in interpreting projections for environmental ...Read more
Author:Van Huyssteen, Elsona; Le Roux, Alize; Van Niekerk, Cornelia WDate:Feb 2013With the world’s urban population now estimated to be at 52% (United Nations 2012:1), towns and cities are increasingly becoming the stage where disaster risk has to be managed and mitigated. Understanding the risks and vulnerabilities in ...Read more
Author:Majozi, Nobuhle P; Mannaerts, CM; Ramoelo, Abel; Mathieu, Renaud SA; Nickless, A; Verhoef, WDate:Jul 2017Flux towers provide essential terrestrial climate, water, and radiation budget information needed for environmental monitoring and evaluation of climate change impacts on ecosystems and society in general. They are also intended for calibration ...Read more
Author:Jamison, Kevin ADate:Sep 2011The objectives of this presentation is to present the process followed at CSIR to evaluate the integration of the Katleho PGM with the BAE Hawk Mk120, to emphasise ejection dynamics and to share some of the experience and lessons learned with ...Read more
Author:Helbig, M; Engelbrecht, APDate:Jun 2013Dynamic multi-objective optimisation problems (DMOOPs) have more than one objective, with at least one objective changing over time. Since at least two of the objectives are normally in conflict with one another, a single solution does not ...Read more
Author:Henrico, SJ; Coetzee, S; Cooper, Antony KDate:2018Remaining ahead of the enemy in all circumstances is crucial to any military power. Geographic information systems (GIS) can provide the military commander with geospatial information about the theatre of war to assist with the planning and ...Read more
Author:Oosthuizen, Rudolph; Pretorius, LDate:Nov 2013Systems Engineering techniques and approaches are applied to design and develop solutions for complex problems. Information and Communication Technology systems can be complex to develop where the impact of new technology is not always ...Read more
Author:Shatalov, MY; Fedotov, I; Wallis, JR; Nicolaides, KEDate:Jan 2006A novel unidimensional model of 1-3 piezocomposite ultrasonic transducers is presented. A new electromechanical model is the generalization of the Smith-Auld unidimentional model, which is formulated in terms of a variational approach. It ...Read more
Author:Olwal, TODate:Sep 2012Research has shown that the capacity of the wireless mesh network improves with the increase of number of radio interfaces per node and the multiplicity of the non-overlapping frequency channels. Recently, such high performance nodes (HPNs) ...Read more
Author:Muronga, Khangwelo; Herselman, Martha E; Botha, Adèle; Da Veiga, ADate:Sep 2019This study aimed to ascertain the types of approaches that are applied in the assessments of information security and cybersecurity user awareness and training programs. The study focused on achieving two objectives. The first objective focused ...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:Herselman, PLR; Baker, CJDate:Oct 2007The temporal characteristics of low grazing angle sea clutter and boat reflectivity are considered for both fixed and stepped frequency waveforms under a range of environmental conditions and geometrical configurations. Detectability of boats ...Read more
Author:Oboirien, BO; North, Brian C; Obayopo, SO; Odusote, JK; Sadiku, ERDate:Apr 2018An analysis of clean coal technologies for the recovery of energy from Nigerian coals was carried out. The coal mines studied are Onyeama, Ogwashi, Ezimo, Inyi, Amasiodo, Okaba, Lafia-Obi, Owukpa Owukpa, Ogboyoga and Okpara. The estimated ...Read more
Author:Ojoyi, MM; Mwenge Kahinda, Jean-MarcDate:Mar 2015Purpose – The purpose of this paper is to investigate climate change perceptions and adaptation strategies in the communities of Morogoro region of Tanzania. Climate change is a vital issue of global concern.
•Design/methodology/approach - ...Read more
Author:Ojoyi, MM; Mwenge Kahinda, Jean-MarcDate:Mar 2015Purpose – The purpose of this paper is to investigate climate change perceptions and adaptation strategies in the communities of Morogoro region of Tanzania. Climate change is a vital issue of global concern.
•Design/methodology/approach - ...Read more
Author:Coetzee, Louis; Oosthuizen, D; Mkhize, Cyprian BDate:May 2018Internet of Things (IoT) is a concept where the physical world is integrated into the digital world. In IoT, Internet connected devices are able to observe and act. Furthermore, data observations from these devices are linked with cloud based ...Read more
Author:Archer, M; McCrindle, RI; Rohwer, ERDate:Dec 2003Inductively coupled plasma optical emission spectroscopy (ICP-OES) was used to measure the concentrations of cobalt, tantalum, titanium, vanadium and chromium in solutions of tungsten carbide. The main advantage of the method described here ...Read more