Search Results - "Botai, J"

Spatial and temporal analysis of the mid-summer dry spells for the summer rainfall region of South Africa by Mengistu, M.G, Olivier, C, Botai, J.O, Adeola, A.M, Daniel, S

“…South Africa is frequently subjected to severe droughts and dry spells during the rainy season. As such, rainfall is one of the most significant factors…”
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Estimating the burden of disease attributable to ambient air pollution (ambient PM2.5 and ambient ozone) in South Africa for 2000, 2006 and 2012 by Roomaney, R A, Cairncross, E, Tesfaye, M, Kapwata, T, Abdulatif, N, Olivier, C, Mathibela, K, Cois, A, Neethling, I, Botai, J, Turawa, E B, Awotiwon, O F, Chetty, K, Nojilana, B, Wright, C Y, Pacella, R, Bradshaw, D, Pillay-van Wyk, V

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Aerosol climatology over South Africa based on 10 years of Multiangle Imaging Spectroradiometer (MISR) data by Tesfaye, M., Sivakumar, V., Botai, J., Mengistu Tsidu, G.

“…In this paper, we present a detailed study of the spatial and seasonal aerosol climatology over South Africa (SA), based on Multiangle Imaging…”
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Analysis of mid-twentieth century rainfall trends and variability over southwestern Uganda by Nsubuga, F. N. W, Olwoch, J. M, Rautenbach, C. J. deW, Botai, O. J

“…A methodology has been applied to investigate the spatial variability and trends existent in a mid-twentieth century climatic time series (for the period…”
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Mineral dust aerosol distributions, its direct and semi-direct effects over South Africa based on regional climate model simulation by Tesfaye, M., Tsidu, G. Mengistu, Botai, J., Sivakumar, V., deW. Rautenbach, C.J.

“…The present contribution investigates the seasonal mean mass distributions, direct and semi-direct climatic effects of desert dust aerosols over South Africa,…”
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Simulation of biomass burning aerosols mass distributions and their direct and semi-direct effects over South Africa using a regional climate model by Tesfaye, M., Botai, J., Sivakumar, V., Tsidu, G. Mengistu

“…In this study, we examine the mass distributions, direct and semi-direct effects of different biomass burning aerosols (BBAs) over South Africa using the…”
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Simulation of anthropogenic aerosols mass distributions and analysing their direct and semi‐direct effects over South Africa using RegCM4 by Tesfaye, M., Sivakumar, V., Botai, J., Tsidu, G. Mengistu, Rautenbach, C. J. deW

“…ABSTRACT This study examines the mass distributions and direct and semi‐direct effects of different Anthropogenic Aerosols (AAs) [i.e. sulphate, Black Carbon…”
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Industrial development zone and South African environmental legal initiatives post-1994: a quest for sustainable industrial development by Kalumba, A.M., Olwoch, J.M., Van Aardt, I., Botai, J. O., deW Rautenbach, C.J.

“…Many developing countries are currently undergoing increased industrialization, which has accelerated environmental degradation. This study aims to examine…”
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Simulation of bulk aerosol direct radiative effects and its climatic feedbacks in South Africa using RegCM4 by Tesfaye, M., Botai, J., Sivakumar, V., Mengistu Tsidu, G., Rautenbach, C.J.deW, Moja, Shadung J.

“…In this study, 12 year runs of the Regional Climate Model (RegCM4) have been used to analyze the bulk aerosol radiative effects and its climatic feedbacks in…”
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The vulnerability of the South African electricity transmission network infrastructure to weather and climate : a review by Majodina, M., Botai, J.O., Rautenbach, H.

“…Meteorological factors have an influence on global energy systems. This study reviewed some of the latest research contributions from other global studies on…”
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Landsat satellite derived environmental metric for mapping mosquitoes breeding habitats in the Nkomazi municipality, Mpumalanga Province, South Africa by Adeola, A.M., Olwoch, J.M., Botai, J.O., Rautenbach, C.J. deW, Kalumba, A.M., Tsela, P.L., Adisa, O.M., Nsubuga, F.W.N.

“…The advancement, availability and high level of accuracy of satellite data provide a unique opportunity to conduct environmental and epidemiological studies…”
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Competitive adsorption in a ternary system of toxic metals and rare earth elements using Desmodesmus multivariabilis: empirical and kinetic modelling by Birungi, Z. S., Chirwa, E. M. N., Botai, O. J.

“…The presence of competing metals in industrial wastewater creates problems of selectivity for binding sites during biosorption of cationic metallic species on…”
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Environmental factors and population at risk of malaria in Nkomazi municipality, South Africa by Adeola, A. M., Botai, O. J., Olwoch, J. M., Rautenbach, C. J. de W., Adisa, O. M., Taiwo, O. J., Kalumba, A. M.

“…Objective Nkomazi local municipality of South Africa is a high‐risk malaria region with an incidence rate of about 500 cases per 100 000. We examined the…”
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Modelling land use and land cover dynamics of Dedza district of Malawi using hybrid Cellular Automata and Markov model by Munthali, M.G., Mustak, S., Adeola, A., Botai, J., Singh, S.K., Davis, N.

“…The spatiotemporal variation of any landscape patterns is as a result of complex interactions of social, economic, demographic, technological, political,…”
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nature of rainfall in the main drainage sub-basins of Uganda by Nsubuga, Francis W.N, Botai, O.J, Olwoch, Jane M, Rautenbach, C.J. deW, Bevis, Yvette, Adetunji, Adebayo O

“…A study of rainfall trends and temporal variations within seven sub-basins of Uganda spanning from 1940 to 2009 has been made. Rainfall climatologies are…”
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On the global geodetic observing system: Africa's preparedness and challenges by Botai, O.J., Combrinck, Ludwig, Rautenbach, C.J. Hannes

“…Space geodetic techniques and satellite missions play a crucial role in the determination and monitoring of geo-kinematics, Earth's rotation and gravity…”
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Simulation of anthropogenic aerosols mass distributions and analysing their direct and semi-direct effects over South Africa using RegCM4: ANTHROPOGENIC AEROSOL DIRECT AND SEMI-DIRECT EFFECTS by Tesfaye, M., Sivakumar, V., Botai, J., Tsidu, G. Mengistu, Rautenbach, C. J. deW

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Investigating the effect of tide parameterization and gravity field models on SLR solutions by Botai, C., Combrinck, L., Botai, J.

“…Satellite laser ranging (SLR) as a proven geodetic technique provides a wide and significant contribution to scientific studies of the Earth/Atmosphere/Ocean…”
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Importance of the Hartebeesthoek Radio Astronomy Observatory for the VLBI network by Mayer, D., Böhm, J., Combrinck, L., Botai, J., Böhm, S.

“…The Hartebeesthoek Radio Astronomy Observatory (HartRAO) is the only very long baseline interferometry (VLBI) station in Africa, its importance to the current…”
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Environmental factors and population at risk of malaria in N komazi municipality, S outh A frica by Adeola, A. M., Botai, O. J., Olwoch, J. M., Rautenbach, C. J. de W., Adisa, O. M., Taiwo, O. J., Kalumba, A. M.

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