Browsing Research Articles (Geography, Geoinformatics and Meteorology) by Title

Browsing Research Articles (Geography, Geoinformatics and Meteorology) by Title

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  • Comparison of site velocities derived from collocated GPS, VLBI and SLR techniques at the Hartebeesthoek Radio Astronomy Observatory (Comparison of site velocities) 
    Munghemezulu, Cilence; Combrinck, Ludwig; Mayer, D.; Botai, Joel Ongego (De Gruyter Open, 2014-04)
    Space geodetic techniques provide highly accurate methods for estimating bedrock stability at subcentimetre level. We utilize data derived from Satellite Laser Ranging (SLR), Very Long Baseline Interferometry (VLBI) and ...
  • A comparison of solar ultraviolet radiation exposure in urban canyons in Venice, Italy and Johannesburg, South Africa 
    Wright, Caradee Yael; Du Preez, David Jean; Martincigh, Bice S.; Allen, Martin W.; Millar, Danielle A.; Wernecke, Bianca; Blesic, Suzana M. (Wiley, 2020-09)
    Urban environments can have high‐risk spaces that can provide excess personal sun exposure, such as urban or street canyons, and the spaces between buildings, among others. In these urban spaces, sun exposure can be high ...
  • The concentration of urban crime in space by race : evidence from South Africa 
    Breetzke, Gregory Dennis (Routledge, 2018-02)
    Crime inequality in neighborhoods by race is blamed on social inequalities borne out of segregation and economic discrimination. South Africa is a country synonymous with racial-spatial segregation and discrimination as a ...
  • Conceptual vectors of African urbanism : 'engaged theory-making' and 'platforms of engagement' 
    Ernstson, Henrik; Lawhon, Mary; Duminy, James (Routledge, 2014)
    ERNSTSON H., LAWHON M. and DUMINY J. Conceptual vectors of African urbanism: ‘engaged theory-making’ and ‘platforms of engagement’, Regional Studies. With increasing urbanization in the global South, and Africa in particular, ...
  • Conservation conundrum – red listing of subtropical-temperate coastal forested wetlands of South Africa 
    Van Deventer, Heidi; Adams, J.B.; Durand, J.F.; Grobler, E.; Grundling, P.L.; Janse van Rensburg, S.; Jewitt, D.; Kelbe, B.; Mackay, C.F.; Naidoo, Laven; Nel, Jeanne L.; Pretorius, L.; Riddin, T.; Van Niekerk, L. (Elsevier, 2021-11)
    Africa’s range-restricted and transitional subtropical-temperate coastal forested wetlands are facing interlinking threats of climate and anthropogenic pressures. We assessed their conservation status using the criteria ...
  • A contributor-focused intrinsic quality assessment of OpenStreetMap in Mozambique using unsupervised machine learning 
    Madubedube, Aphiwe; Coetzee, Serena Martha; Rautenbach, Victoria (MDPI, 2021-03-11)
    Anyone can contribute geographic information to OpenStreetMap (OSM), regardless of their level of experience or skills, which has raised concerns about quality. When reference data is not available to assess the quality ...
  • Convection parametrization and multi-nesting dependence of a heavy rainfall event over Namibia with weather research and forecasting (WRF) model 
    Somses, Sieglinde; Bopape, Mary-Jane Morongwa; Ndarana, Thando; Fridlind, Ann; Matsui, Toshihisa; Phaduli, Elelwani; Limbo, Anton; Maikhudumu, Shaka; Maisha, Robert; Rakate, Edward (MDPI, 2020-10)
    Namibia is considered to be one of the countries that are most vulnerable to climate change due to its generally dry climate and the percentage of its population that rely on subsistence agriculture for their livelihoods. ...
  • Conveying map finesse : thematic map making essentials for today's university students 
    Schaab, Gertrud; Adams, Sybil; Coetzee, Serena Martha (Routledge, 2022)
    Maps have been used for centuries to depict the diverse facets of our environment. Thematic maps depict a specific theme and help in revealing geospatial patterns and relations. The study and practice of map making has led ...
  • Correlation of water quality with farming activities : hydrochemical characteristics of the Bonsma Dam, KwaZulu-Natal 
    Shabalala, A.N.; Combrinck, W.L. (Water Research Council, 2012-11)
    Pressure to increase productivity of agricultural systems in order to meet domestic and international demand has resulted in the intensification of agriculture, exploitation of more land and greater reliance on pesticides, ...
  • COVID-19 : urgent actions, critical reflections and future relevance of ‘WaSH’ : lessons for the current and future pandemics 
    Howard, Guy; Bartram, Jamie; Barbara Evans, Barbara; Brocklehurst, Clarissa; Colford Jr, John M.; Costa, Federico; Cunliffe, David; Dreibelbis, Robert; Eisenberg, Joseph Neil Spindel; Girones, Rosina; Hrudey, Steve; Willett, Juliet; Wright, Caradee Yael (IWA Publishing, 2020-09)
    The COVID-19 pandemic placed hygiene at the centre of disease prevention. Yet, access to the levels of water supply that support good hand hygiene and institutional cleaning, our understanding of hygiene behaviours, and ...
  • COVID-19 and the academe in South Africa : not business as usual 
    Hedding, David W.; Greve, Michelle; Breetzke, Gregory Dennis; Nel, Werner; Jansen van Vuuren, Bettine (Academy of Science of South Africa, 2020-07)
    The novel coronavirus SARS-CoV-2 has impacted every economic and social sector1 across the globe, including higher education in South Africa. Every student and staff member at a higher education institution will have ...
  • A critique of distance learning as an educational tool for GIS in South Africa 
    Breetzke, Gregory Dennis (Taylor & Francis, 2007-01)
    The advancement of distance learning as an educational tool for geographic information systems (GIS) has been at the forefront of educational development at tertiary institutions in the last decade in South Africa. Distance ...
  • A cross-national spatial study of crime using variables informed by the International Organization for Standardization (ISO) 
    Groeneveld, Gretha; Breetzke, Gregory Dennis (Sage, 2023-09)
    Cross-national spatial studies of crime are rare. Reasons are manifold but include the lack of standardization of variables across, often diverse, contexts. In this study, we propose a potential solution to this impasse ...
  • CSIR South Africa mobile LIDAR - first scientific results : comparison with satellite, sun photometer and model simulations 
    Sivakumar, Venkataraman; Tesfaye, M.; Alemu, W.; Moema, D.; Sharma, Ameeth; Bollig, C.; Mengistu, G. (Academy of Science of South Africa, 2009-11)
    We present the first scientific results from the Council for Scientific and Industrial Research-National Laser Centre (CSIR-NLC) mobile LIght Detection And Ranging (LIDAR) and its validation and comparison with other ...
  • Culinary mapping and tourism development in South Africa's Karoo region 
    Du Rand, Gerrie Elizabeth; Booysen, I.; Atkison, D. (AfricaJournals, 2016)
    Successful development of cuisine as a niche tourism product has been portrayed in various countries in the world. The paper argues that the Karoo provides evidence of a substantial culinary resource base and an established ...
  • Current and emerging developments in subseasonal to decadal prediction 
    Merryfield, William J.; Baehr, Johanna; Batte, Lauriane; Becker, Emily J.; Butler, Amy H.; Coelho, Caio A.S.; Danabasoglu, Gokhan; Dirmeyer, Paul A.; Doblas-Reyes, Francisco J.; Domeisen, Daniela I.V.; Ferranti, Laura; Ilynia, Tatiana; Kumar, Arun; Muller, Wolfgang A.; Rixen, Michel; Robertson, Andrew W.; Smith, Doug M.; Takaya, Yuhei; Tuma, Matthias; Vitart, Frederic; White, Christopher J.; Alvarez, Mariano S.; Ardilouze, Constantin; Attard, Hannah; Baggett, Cory; Balmaseda, Magdalena A.; Beraki, Asmerom Fissehatsion; Bhattacharjee, Partha S.; Bilbao, Roberto; De Andrade, Felipe M.; DeFlorio, Michael J.; Díaz, Leandro B.; Ehsan, Muhammad Azhar; Fragkoulidis, Georgios; Grainger, Sam; Green, Benjamin W.; Hell, Momme C.; Infanti, Johnna M.; Isensee, Katharina; Kataoka, Takahito; Kirtman, Ben P.; Klingaman, Nicholas P.; Lee, June-Yi; Mayer, Kirsten; McKay, Roseanna; Mecking, Jennifer V.; Miller, Douglas E.; Neddermann, Nele; Ng, Ching Ho Justin; Osso Albert; Pankatz, Klaus; Peatman, Simon; Pegion, Kathy; Perlwitz, Judith; Recalde-Coronel, G. Cristina; Reintges, Annika; Renkl, Christoph; Solaraju-Murali, Balakrishnan; Spring, Aaron; Stan, Cristiana; Sun, Y. Qiang; Tozer, Carly R.; Vigaud, Nicolas; Woolnough., Steven; Yeager, Stephen (American Meteorological Society, 2020-06)
    Weather and climate variations on subseasonal to decadal time scales can have enormous social, economic, and environmental impacts, making skillful predictions on these time scales a valuable tool for decision-makers. ...
  • Current and potential future seasonal trends of indoor dwelling temperature and likely health risks in rural Southern Africa 
    Kapwata, Thandi; Gebreslasie, Michael T.; Mathee, Angela; Wright, Caradee Yael (MDPI Publishing, 2018-05-10)
    Climate change has resulted in rising temperature trends which have been associated with changes in temperature extremes globally. Attendees of Conference of the Parties (COP) 21 agreed to strive to limit the rise in ...
  • Current state, pressures and protection of South African peatlands 
    Grundling, Piet-Louis; Grundling, Althea T.; Van Deventer, Heidi; Le Roux, Jason P. (International Peatland Society and the International Mire Conservation Group, 2021)
    Temperate regions in the Southern Hemisphere make a small contribution to the global carbon sequestration of peatlands which, in these drier regions, are relatively rare and vulnerable to increasing anthropogenic and climate ...
  • Cut-off lows in the Southern Hemisphere and their extension to the surface 
    Barnes, Michael A.; Ndarana, Thando; Landman, Willem Adolf (Springer, 2021-06)
    Many cut-off low (COL) climatologies have been done throughout the Southern Hemisphere. Few have focused on COL vertical depth and their link to surface cyclones that often accompany these systems. Here we extend these ...
  • Cut-off lows over South Africa : a review 
    Xulu, Nkosinathi G.; Chikoore, Hector; Bopape, Mary-Jane M.; Ndarana, Thando; Muofhe, Tshimbiluni P.; Mbokodo, Innocent L.; Munyai, Rendani B.; Singo, Mukovhe V.; Mohomi, Tumelo; Mbatha, Sifiso M.S.; Mdoka, Marshall L. (MDPI, 2023-03-05)
    Every year, cut-off low (COL) pressure systems produce severe weather conditions and heavy rainfall, often leading to flooding, devastation and disruption of socio-economic activities in South Africa. COLs are defined ...