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Assessment of GloSea4 seasonal forecasts for SADC and the global oceans

Author: Landman, WA ; Graham, R ; Knight, J ; Engelbrecht, C ; Olivier, C Date: Oct 2012 The main objective of this research is to demonstrate the skill of the UK Met Office Hadley Centre’s coupled global seasonal forecasting system, GloSea4, as a seasonal forecasting tool for the Southern African Development Community (SADC) and ... Read more
Oxygen and hydrogen isotope ratios in tree rings: how well do models predict observed values?

Author: Waterhouse, JS ; Switsur, VR ; Barker, AC ; Carter, AHC ; Robertson, I Date: 30 Jul 2002 Annual 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
Precipitation as driver of carbon fluxes in 11 African ecosystems

Author: Merbold, L ; Ardo, J ; Arneth, A ; Scholes, RJ ; Nouvellon, Y ; De Grandcourt, A ; Archibald, S ; Bonnefond, JM ; Boulain, N ; Brueggemann, N ; Bruemmer, C ; Cappelaere, B ; Ceschia, E ; El-Khidir, HAM ; El-Tahir, BA ; Falk, U ; Lloyd, J ; Kergoat, L ; Le Dantec, V ; Mougin, E ; Muchinda, M ; Mukelabai, MM ; Ramier, D ; Roupsard, O ; Timouk, F ; Veenendaal, EM ; Kutsch, WL Date: 2009 This study reports carbon and water fluxes between the land surface and atmosphere in eleven different ecosystems types in Sub-Saharan Africa, as measured using eddy covariance (EC) technology in the first two years of the CarboAfrica network ... Read more
Projected changes in tropical cyclones over the South West Indian Ocean under different extents of global

Author: Muthige, Mavhungu S ; Malherbe, Johan ; Engelbrecht, Francois A ; Grab, S ; Beraki, Asmerom F ; Maisha, Thizwilondi R ; Van der Merwe, Jacobus H Date: Apr 2018 The Paris Agreement achieved in December 2015 established that the signatory countries should pursue to hold the increase in global average temperature to below 2°C relative to the preindustrial period and to strive to limit the temperature ... Read more
Remediation of acid mine drainage using magnesite and its bentonite clay composite

Author: Masindi, Vhahangwele Date: Dec 2015 Wastewaters originating from mining activities are usually acidic and often contain high concentrations of Fe, Mn, Al and SO 2 in addition to traces of Pb, Co, Ni, Cu, Zn, Mg, Ca and Na. This wastewater impacts surface and subsurface water ... Read more
A short-range weather prediction system for South Africa based on a multi-model approach

Author: Landman, S ; Engelbrecht, FA ; Engelbrecht, CJ ; Dyson, LL ; Landman, WA Date: Oct 2012 Predicting the location and timing of rainfall events has important social and economic impacts. It is also important to have the ability to predict the amount of rainfall accurately. At many operational centres, such as the South African ... Read more
Solute nanostructures and their strengthening effects in Al–7Si–0.6Mg alloy F357

Author: Sha, G ; Moller, H ; Stumpf, WE ; Xia, JH ; Govender, G ; Ringer, SP Date: Jan 2012 The solute nanostructures formed in the primary a-Al grains of a semi-solid metal cast Al–7Si–0.6Mg alloy (F357) during ageing at 180°C, and the age-hardening response of the alloy, have been systematically investigated by transmission electron ... Read more
Stability of the chlorinating solution used in the SAWTRI chlorination process

Author: Hanekom, EC ; Barkenhuysen, FA Date: Aug 1975 Relatively stable concentrated DCCA solutions with a low pH value were obtained by using a mixture of an organic and an inorganic acid. Read more
Sulphate removal from industrial effluents through barium sulphate precipitation

Author: Swanepoel, H Date: Nov 2011 The pollution of South Africa’s water resources puts a strain on an already stressed natural resource. One of the main pollution sources is industrial effluents such as acid mine drainage (AMD) and other mining effluents. These effluents ... Read more

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Browsing by Subject "Precipitation"

Browsing by Subject "Precipitation"

Browse

All of ResearchSpace

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