Browsing Research Articles (Geography, Geoinformatics and Meteorology) by UP Author "Rautenbach, C.J. de W. (Cornelis Johannes de Wet)"

Browsing Research Articles (Geography, Geoinformatics and Meteorology) by UP Author "Rautenbach, C.J. de W. (Cornelis Johannes de Wet)"

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  • Nsubuga, F.W.N. (Francis Wasswa Nkugwa); Olwoch, Jane Mukarugwiza; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Botai, J.O. (Joel Ongego) (Springer, 2014-01)
    A methodology has been applied to investigate the spatial variability and trends existent in a mid-twentieth century climatic time series (for the period 1943–1977) recorded by 58 climatic stations in the Albert–Victoria ...
  • Rashki, Alireza; Eriksson, Patrick George; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Kaskaoutis, Dimitris G.; Grote, Wiebke; Dykstra, J. (Elsevier, 2013-01)
    Windblown transport and deposition of dust is widely recognized as an important physical and chemical concern to climate, human health and ecosystems. Sistan is a region located in southeast Iran with extensive wind ...
  • Molekwa, Samuel; Engelbrecht, Christien J.; Rautenbach, C.J. de W. (Cornelis Johannes de Wet) (Springer, 2014-10)
    Cut-off low (COL) weather systems that are associated with rainfall over the Eastern Cape are considered in this study. COLs are objectively identified and tracked over a 31-year period. Daily rainfall data of 22 evenly ...
  • Nsubuga, F.W.N. (Francis Wasswa Nkugwa); Olwoch, Jane Mukarugwiza; Rautenbach, C.J. de W. (Cornelis Johannes de Wet) (Canadian Center of Science and Education, 2011-09)
    This paper investigates rainfall and temperature trends at Namulonge parish, in Wakiso district of Uganda using statistical techniques. Daily-observed temperature and rainfall records were aggregated into monthly means ...
  • Nsubuga, F.W.N. (Francis Wasswa Nkugwa); Botai, J.O. (Joel Ongego); Olwoch, Jane Mukarugwiza; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Kalumba, Ahmed M.; Tsela, Philemon Lehlohonolo; Adeola, A.M. (Abiodun Morakinyo); Ssentongo, Ausi. A.; Mearns, Kevin. F. (Springer, 2017-01)
    Detection of changes in Earth surface features, for example lakes, is important for understanding the relationships between human and natural phenomena in order to manage better the increasingly scarce natural resources. ...
  • Rashki, Alireza; Kaskaoutis, Dimitris G.; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Eriksson, Patrick George; Qiang, M.; Gupta, Pawan (Elsevier, 2012-08)
    The Sistan region in southeast Iran is considered as one of the most active dust source regions in South west Asia. The strong ‘‘Levar’’ winds in summer favor the uplift of large quantities of dust from the Hamoun basin, ...
  • Ratna, S.B.; Behera, S.K.; Ratnam, J.V.; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Lennard, C.; Luo, J.J.; Masumoto, Y.; Takahashi, K.; Yamagata, T. (American Meteorological Society, 2013-08)
    The prediction skill of dynamical downscaling is evaluated for climate forecasts over southern Africa using the Advanced Research Weather Research and Forecasting (WRF) model. As a case study, forecasts for the December–February ...
  • Pretorius, Ilze; Rautenbach, C.J. de W. (Cornelis Johannes de Wet) (National Association for Clean Air, 2013-12)
    Locations where large altitudinal gradients exist have been shown to be a good early indicator of climate change. Mariepskop is a high mountain peak situated in the Mpumalanga province of South Africa. It is partly ...
  • Adeola, A.M. (Abiodun Morakinyo); Botai, J.O. (Joel Ongego); Olwoch, Jane Mukarugwiza; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Adisa, O.M. (Omolola); Taiwo, O.J.; Kalumba, Ahmed M. (Wiley, 2016-05)
    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 influence of environmental factors on population (age group) ...
  • Adeola, A.M. (Abiodun Morakinyo); Olwoch, Jane Mukarugwiza; Botai, J.O. (Joel Ongego); Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Kalumba, Ahmed M.; Tsela, Philemon Lehlohonolo; Adisa, O.M. (Omolola); Nsubuga, F.W.N. (Francis Wasswa Nkugwa) (Routledge, 2017)
    The advancement, availability and high level of accuracy of satellite data provide a unique opportunity to conduct environmental and epidemiological studies using remotely sensed measurements. In this study, information ...
  • Esau, Igor; Luhunga, P.M. (Philbert Modest); Djolov, George D.; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Zilitinkevich, Sergej (Springer, 2012-03)
    Links between spatial and temporal variability of Planetary Boundary Layer (PBL) meteorological quantities and existing land use patterns are still poorly understood due to the non-linearity of air-land interaction ...
  • Esau, Igor; Luhunga, P.M. (Philbert Modest); Djolov, George D.; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Zilitinkevich, Sergej (Springer, 2012)
    Links between spatial and temporal variability of Planetary Boundary Layer meteorological quantities and existing land-use patterns are still poorly understood due to the non-linearity of air–land interaction processes. ...
  • Idowu, O.S. (Oluseun Samuel); Rautenbach, C.J. de W. (Cornelis Johannes de Wet) (Elsevier, 2009)
    The recent increasing trend in the severity of floods, especially across West Africa has been due largely to severe storm outbreaks which are complex and difficult to predict. Most of the weather forecasting centers in ...
  • Nsubuga, F.W.N. (Francis Wasswa Nkugwa); Botai, J.O. (Joel Ongego); Olwoch, Jane Mukarugwiza; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Bevis, Yvette; Adetunji, Adebayo, O. (Taylor & Francis, 2014)
    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 constructed from observational data, using 36 station records ...
  • Engelbrecht, F.A. (Francois Alwyn); McGregor, J.L.; Rautenbach, C.J. de W. (Cornelis Johannes de Wet) (Academy of Science of South Africa, 2007-03)
    With the advent of ever faster computers, the operational use of nonhydrostatic atmospheric models at resolutions beyond the hydrostatic limit has become a reality. A renewed global research effort is being made to formulate ...
  • Botai, J.O. (Joel Ongego); Combrinck, Ludwig; Rautenbach, C.J. de W. (Cornelis Johannes de Wet) (Elsevier, 2013-02)
    .Space geodetic techniques and satellite missions play a crucial role in the determination and monitoring of geo-kinematics, Earth’s rotation and gravity fields. These three pillars of geodesy provide the basis for determining ...
  • Ratna, Satyaban B.; Ratnam, J.V.; Behera, S.K.; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Ndarana, Thando; Takahashi, K.; Yamagata, Toshio (Springer, 2014-06)
    Austral summer rainfall over the period 1991/1992 to 2010/2011 was dynamically downscaled by the weather research and forecasting (WRF) model at 9 km resolution for South Africa. Lateral boundary conditions for WRF were ...
  • Rashki, Alireza; Rautenbach, C.J. de W. (Cornelis Johannes de Wet); Eriksson, Patrick George; Kaskaoutis, Dimitris G.; Gupta, Pawan (Springer, 2013)
    Air pollution in developing countries has recently become a serious environmental problem, which needs more active air quality monitoring and analyses. To assess air quality characteristics over the city of Zahedan, southern ...
  • Nsubuga, F.W.N. (Francis Wasswa Nkugwa); Olwoch, Jane Mukarugwiza; Rautenbach, C.J. de W. (Cornelis Johannes de Wet) (Wiley-Blackwell, 2014-02)
    Variability and trends in daily and monthly near-surface temperatures in Uganda, collected over the period 1960–2008 (49 years), are analysed. For this purpose, daily observational maximum and minimum temperature records from ...