Author:Harris, J; Van Vliet, HR; MacKay, HMDate:1999An intensive review of existing Water Law has just been conducted by the Department of Water Affairs and Forestry. The review was motivated by the need for preparation for new legislation to support water resource management with a goal of ...Read more
Author:Le Maitre, David C; Colvin, CA; Maherry, ACDate:Jan 2009The Klein Karoo is situated in the Western Cape, South Africa, and is characterised by low rainfall (100–450 mm yr–1). The Klein Karoo is situated in the primary catchment of the Gouritz River. The mean annual runoff (MAR) for the three major ...Read more
Author:Meissner, Richard; Funke, Nicola S; Nortje, Karen; Claassen, MariusDate:Aug 2015Water security and the appropriate management of water resources are vitally important to South Africa, its population and the economy. According to the Department of Water and Sanitation’s 2013 Strategic Overview of the Water Sector in South ...Read more
Author:Dye, P; Jarmain, CDate:Jan 2004This paper reviews relevant available information on rates of total evaporation from black waffle and from grasslands and fynbos shrublands. These data provide an indication of the likely change in catchment water yield following invasion or ...Read more
Author:Ntshidi, Zanele; Dzikiti, Sebinasi; Mazvimavi, DDate:May 2018Apple orchards have previously been bearing 60–80 t ha-1 at most. However in recent years yield has increased to more than 100 t ha-1. There is need to understand the water requirements of the high yielding orchards, given that high crop loads ...Read more
Author:Everson, CS; Dye, PJ; Gush, Mark B; Everson, TMDate:Dec 2011The biotic and abiotic components of ecosystems affect each other through complex interactions and processes. These dynamic interactions give ecosystems their distinct identities and provide ecosystem services critical to human survival (e.g. ...Read more
Author:Ramoelo, Abel; Skidmore, AK; Schlerf, M; Mathieu, Renaud SA; Heitkönig, IMADate:2011Information about the distribution of grass foliar nitrogen (N) and phosphorus (P) is important for understanding rangeland vitality and for facilitating the effective management of wildlife and livestock. Water absorption effects in the ...Read more
Author:Rebelo, AJ; Jarmain, C; Esler, KJ; Cowling, RM; Le Maitre, David CDate:Nov 2020Palmiet, Prionium serratum, is an endemic wetland plant which dominates oligotrophic wetlands throughout the Cape Floristic Region, South Africa. Palmiet is often perceived as undesirable by landowners, in part because it is thought to have ...Read more
Author:Jacobs-Mata, Inga M; Nienaber, SDate:Dec 2011Water resources in the Southern African Development Community (SADC) play an intrinsic role in regional development. As a result, water is a highly sensitive issue, complex to understand and demanding to govern, in terms of effective and ...Read more
Author:Grundlingh, M; Rossouw, MDate:Jul 1995The enlargement of surface wave height in the Agulhas Current, caused by waves propagating in the opposite direction to the current, is well known for its danger to large vessels traversing the Cape route. Occurrence characteristics of the ...Read more
Author:Schulze, C; Naidoo, Darryl; Flamm, D; Schmidt, OA; Forbes, A; Duparr, MDate:Aug 2012We propose a new method to determine the wavefront of a laser beam based on modal decomposition by computer-generated holograms. The hologram is encoded with a transmission function suitable for measuring the amplitudes and phases of the modes ...Read more
Author:Netterberg, F; De Beer, MorrisDate:Apr 2012Weak layers, interlayers, laminations and/or interfaces in the upper structural layers of road pavements are specifically prohibited in most road-building specifications. However, such layers are extremely common and often lead to premature ...Read more
Author:Heyns, Johan A; Malan, AG; Harms, TM; Oxtoby, Oliver FDate:May 2013This paper presents a weakly compressible volume-of-fluid formulation for modelling immiscible high density ratio two-fluid flow under low Mach number conditions. This follows findings of experimental analyses that concluded the compressibility ...Read more
Author:Curle, UA; Ivanchev, LDate:Sep 2010Rheocasting of plates in Al alloy 359 reinforced with SiC at 11%, 27% and 50% (volume fractions) exhibits the capability of the council for scientific and industrial research-rheocasting system (CSIR-RCS) in rheo-processing and high pressure ...Read more
Author:Singh, NavinDate:Mar 2017The South African mining industry has made a significant contribution to the country's economy for more than a century. Changes in legislation for mining licences, stricter health and safety targets, and stronger focus on reducing the impact ...Read more
Author:Adeyeye, M; Makitla, I; Fogwill, TDate:Aug 2013Web Real-Time Communication (WebRTC) introduces real-time multimedia communication as native capabilities of Web browsers. With the adoption of WebRTC the Web browsers will be able to use WebRTC to communicate with one another (peer-to-peer), ...Read more
Author:Du Plessis, WPDate:Sep 2011A version of the iterative Fourier technique (IFT) for the design of thinned antenna arrays with weighted elements is presented. The structure of the algorithm means that it is well suited to the design of weighted thinned arrays with low ...Read more
Author:Haywood, Lorren K; De Lange, Willem J; Musvoto, Constansia D; De Wet, BenitaDate:Jan 2021As intermediaries between producers, manufacturers and consumers, retailers are uniquely positioned to influence production practices and consumption trends. Supermarket retailers are increasingly imposing responsibility on their suppliers ...Read more
Author:Funke, Nicola S; Meissner, Richard; Nienaber, S; Ntombela, CDate:Jan 2014It has been 16 years since the promulgation of the National Water Act, which has the decentralisation of water resource management as a core focus. What do we know of these water institutions that are supposed to govern our water resources, ...Read more