Author:Dye, P; Clulow, A; Prinsloo, Eric; Naiken, Vivek; Weiersbye, IDate:Aug 2016Several hundred mine tailings dams occur in the Witwatersrand Basin Goldfields in central South Africa. Seepage of acid mine drainage (AMD) from these unlined structures is widespread, and a variety of contaminants is released into soil and ...Read more
Author:Archer, Emma RM; Conrad, J; Munch, Z; Opperman, D; Tadross, M; Venter, JDate:Jun 2009Progress in the area of international climate negotiation has been the site of substantively increased activity of late, yet the task of utilizing appropriate spatial scale climate change projections to understand climate change impacts on ...Read more
Author:Tredoux, G; Cave, L; Engelbrecht, PDate:2004Groundwater pollution is a worldwide phenomenon with potentially disastrous consequences. Prevention of pollution is the ideal approach. However, in practice groundwater quality monitoring is the main tool for timely detection of pollutants ...Read more
Author:Bugan, Richard DH; Jovanovic, Nebojsa; May, F; Dzikiti, SebinasiDate:Sep 2011Groundwater recharge is the basis for accurate estimation of groundwater resources, for determining the modes of water allocation and groundwater resource susceptibility to climate change. Accurate estimations of groundwater recharge with ...Read more
Author:Maserumule, R; Colvin, C; Woodborne, SDate:Nov 2008Groundwater is a relatively small component of South Africa's water resources accounting for approximately 15% percent of South Africa's water consumption (DWAF 2002). Unfortunately, this statistic is overshadowed by the fact that close to ...Read more
Author:Hobbs, PJ; Cobbing, JEDate:Aug 2007The comparatively short history of acid mine drainage (AMD) in the West Rand Basin (WRB) via mine water decant on the Randfontein Operations property (formerly Randfontein Estates Ltd) of Harmony Gold Mining Company west of Krugersdorp (Figure ...Read more
Author:Hobbs, Philip J; De Meillon, NDate:Sep 2017A water level rise of almost 3 m in the space of two years in the Sterkfontein Cave system since late-2009 necessitated the re-routing of the tourist path through the cave to successively higher elevations on three occasions. It also raisedconcern ...Read more
Author:Nkuna, Z; Mamakoa, E; Mothetha, MDate:Dec 2014Groundwater is one of the most important natural resources globally. In Africa, particularly, groundwater has been the most reliable water supply option for meeting the daily water needs of rural communities. This is mainly due to the fact ...Read more
Author:Israel, S; Engelbrecht, P; Tredoux, G; Fey, MVDate:2009Batch experiments were performed to denitrify groundwater using sawdust as a carbon source at Marydale, South Africa. Alkalinity, pH, Electrical Conductivity, nitrate, nitrite, ammonia, SO42-, heterotrophic plate count (HPC), dissolved organic ...Read more
Author:Israel, S; Rosenov, A; Tredoux, G; Jovanovic, NebojsaDate:Sep 2011Groundwater pollution by nitrate is a known problem which occurs all around the world. In its nitrate (NO3) and other forms, nitrogen can move through soil into groundwater. Nitrogen can also contribute to surface water quality problems. In ...Read more
Author:Colvin, C; Tredoux, G; Clarke, S; Le Maitre, David C; Engelbrecht, P; Maherry, ADate:Nov 2008The groundwater group of the CSIR has led groundwater research in South Africa in three critical areas during the last three decades: nitrates in groundwater; groundwater for ecosystems; and artificial storage and recovery of groundwater. ...Read more
Author:Tredoux, G; King, P; Cave, LDate:Oct 1999The Atlantis Water Resource Management Scheme uses artificial recharge of urban storm water and treated wastewater to augment the natural groundwater resource. The key to the success of the scheme is the fractionation of the storm water into ...Read more
Author:Theron, Andre; Engelbrecht, JeanineDate:Oct 2018Aquifers are able to contain significant amounts of water, which is typically stored in the pore spaces between sand particles or in the fissures and matrix of rocks. This groundwater is an increasingly important source of water in many parts ...Read more
Author:Hillie, T; Hlophe, MDate:Aug 2012This chapter discusses water and its sources; the main focus is put on surface water and ground water. Factors such as water pollution and sewage are also discussed in areas of mining and agriculture. Furthermore the global water challenges ...Read more
Author:Waterhouse, JS; Switsur, VR; Barker, AC; Carter, AHC; Robertson, IDate:30 Jul 2002Annual oxygen and hydrogen isotope ratios in the alpha-cellulose of the latewood of oak (Quercus robur L.) growing on well-drained ground in Norfolk, UK have been measured. The authors have compared the observed values of isotope ratios with ...Read more