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

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

Sort by: Order: Results:

  • Aboveground biomass density models for NASA’s global ecosystem dynamics investigation (GEDI) lidar mission 
    Duncanson, Laura; Kellner, James R.; Armston, John; Dubayah, Ralph; Minor, David M.; Hancock, Steven; Healey, Sean P.; Patterson, Paul L.; Saarela, Svetlana; Marselis, Suzanne; Silva, Carlos E.; Bruening, Jamis; Goetz, Scott J.; Tang, Hao; Hofton, Michelle; Blair, Bryan; Luthcke, Scott; Fatoyinbo, Lola; Abernethy, Katharine; Alonso, Alfonso; Andersen, Hans-Erik; Aplin, Paul; Baker, Timothy R.; Barbier, Nicolas; Bastin, Jean Francois; Biber, Peter; Boeckx, Pascal; Bogaert, Jan; Boschetti, Luigi; Boucher, Peter Brehm; Boyd, Doreen S.; Burslem, David F.R.P.; Calvo-Rodriguez, Sofia; Chave, Jerome; Chazdon, Robin L.; Clark, David B.; Clark, Deborah A.; Cohen, Warren B.; Coomes, David A.; Corona, Piermaria; Cushman, K.C.; Cutler, Mark E.J.; Dalling, James W.; Dalponte, Michele; Dash, Jonathan; De-Miguel, Sergio; Deng, Songqiu; Ellis, Peter Woods; Erasmus, Barend Frederik Nel; Fekety, Patrick A.; Fernandez-Landa, Alfredo; Ferraz, Antonio; Fischer, Rico; Fisher, Adrian G.; Garcia-Abril, Antonio; Gobakken, Terje; Hacker, Jorg M.; Heurich, Marco; Hill, Ross A.; Hopkinson, Chris; Huang, Huabing; Hubbell, Stephen P.; Hudak, Andrew T.; Huth, Andreas; Imbach, Benedikt; Jeffery, Kathryn J.; Katoh, Masato; Kearsley, Elizabeth; Kenfack, David; Kljun, Natascha; Knapp, Nikolai; Kral, Kamil; Krucek, Martin; Labriere, Nicolas; Lewis, Simon L.; Longo, Marcos; Lucas, Richard M.; Main, Russell; Manzanera, Jose A.; Martínez, Rodolfo Vasquez; Mathieu, Renaud; Memiaghe, Herve; Meyer, Victoria; Mendoza, Abel Monteagudo; Monerris, Alessandra; Montesano, Paul; Morsdorf, Felix; Næsset, Erik; Naidoo, Laven; Nilus, Reuben; O’Brien, Michael; Orwig, David A.; Papathanassiou, Konstantinos; Parker, Geoffrey; Philipson, Christopher; Phillips, Oliver L.; Pisek, Jan; Poulsen, John R.; Pretzsch, Hans; Rudiger, Christoph; Saatchi, Sassan; Sanchez-Azofeifa, Arturo; Sanchez-Lopez, Nuria; Scholes, Robert; Silva, Carlos A.; Simard, Marc; Skidmore, Andrew; Sterenczak, Krzysztof; Tanase, Mihai; Torresan, Chiara; Valbuena, Ruben; Verbeeck, Hans; Vrska, Tomas; Wessels, Konrad; White, Joanne C.; White, Lee J.T.; Zahabu, Eliakimu; Zgraggen, Carlo (Elsevier, 2022-03)
    NASA’s Global Ecosystem Dynamics Investigation (GEDI) is collecting spaceborne full waveform lidar data with a primary science goal of producing accurate estimates of forest aboveground biomass density (AGBD). This ...
  • Acceptance of open source geospatial software : assessing QGIS in South Africa with the UTAUT2 model 
    Henrico, Susanna Jacoba; Coetzee, Serena Martha; Cooper, Antony Kyle; Rautenbach, Victoria (Wiley, 2021-02)
    Geospatial information and technologies are widely used in South Africa, initially mostly with proprietary software but today, mature, open source alternatives such as QGIS are available. We wanted to find out if and why ...
  • Accidental wetlands - a southern African case study from the Kgaswane Mountain Reserve, Rustenburg 
    Grundling, R.E. (Renée); Turner, D.P.; Grundling, P.; Beckedahl, Heinz; Haussmann, Natalie S. (Routledge, 2021)
    Wetlands form part of a diverse range of habitats and play an important role in the ecology and hydrological cycle but are amongst the most threatened ecological systems. It is therefore critical to understand the hydrology ...
  • Accuracy comparison of Pleiades satellite ortho-images using GPS device based GCPs against TerraSAR-X-based GCPs 
    Henrico, Ivan; Combrinck, Ludwig; Eloff, Corne (CONSAS Conference, 2016-11)
    Conducting single frame orthorectification on satellite images to create an ortho-image requires four basic components, namely an image, a geometric sensor model, elevation data (for example a digital elevation model (DEM)) ...
  • Achieving global biodiversity goals by 2050 requires urgent and integrated actions 
    Leadley, Paul; Gonzalez, Andrew; Obura, David; Krug, Cornelia B.; Londono-Murcia, Maria Cecilia; Millette, Katie L.; Radulovici, Adriana; Rankovic, Aleksandar; Shannon, Lynne J.; Archer, Emma Rosa Mary; Armah, Frederick Ato; Bax, Nic; Chaudhari, Kalpana; Costello, Mark John; Davalos, Liliana M.; De Oliveira Roque, Fabio; DeClerck, Fabrice; Dee, Laura E.; Essl, Franz; Ferrier, Simon; Genovesi, Piero; Guariguata, Manuel R.; Hashimoto, Shizuka; Speranza, Chinwe Ifejika; Isbell, Forest; Kok, Marcel; Lavery, Shane D.; Leclere, David; Loyola, Rafael; Lwasa, Shuaib; McGeoch, Melodie; Mori, Akira S.; Nicholson, Emily; Ochoa, Jose M.; Ollerer, Kinga; Polasky, Stephen; Rondinini, Carlo; Schroer, Sibylle; Selomane, Odirilwe; Shen, Xiaoli; Strassburg, Bernardo; Sumaila, Ussif Rashid; Tittensor, Derek P.; Turak, Eren; Urbina, Luis; Vallejos, Maria; Vazquez-Dominguez, Ella; Verburg, Peter H.; Visconti, Piero; Woodley, Stephen; Xu, Jianchu (Cell Press, 2022-06)
    Governments are negotiating actions intended to halt biodiversity loss and put it on a path to recovery by 2050. Here, we show that bending the curve for biodiversity is possible, but only if actions are implemented urgently ...
  • Actions to halt biodiversity loss generally benefit the climate 
    Shin, Yunne-Jai; Midgley, Guy F.; Archer, Emma Rosa Mary; Arneth, Almut; Barnes, David K.A.; Chan, Lena; Hashimoto, Shizuka; Hoegh-Guldberg, Ove; Insarov, Gregory; Leadley, Paul; Levin, Lisa A.; Ngo, Hien T.; Pandit, Ram; Pires, Aliny P.F.; Poertner, Hans-Otto; Rogers, Alex D.; Scholes, Robert J.; Settele, Josef; Smith, Pete (Wiley, 2022-05)
    The two most urgent and interlinked environmental challenges humanity faces are climate change and biodiversity loss. We are entering a pivotal decade for both the international biodiversity and climate change agendas with ...
  • Active layer and permafrost thermal regimes in the ice-free areas of Antarctica 
    Hrbacek, Filip; Oliva, Marc; Hansen, Christel; Balks, Megan; O'Neill, Tanya Ann; De Pablo, Miguel Angel; Ponti, Stefano; Ramos, Miguel; Vieira, Goncalo; Abramov, Andrey; Kaplan Pastírikova, Lucia; Guglielmin, Mauro; Goyanes, Gabriel; Francelino, Marcio Rocha; Schaefer, Carlos; Lacelle, Denis (Elsevier, 2023-07)
    Please read abstract in the article.
  • Adapting the Dyna-CLUE model for simulating land use and land cover change in the Western Cape Province 
    Tizora, Petronella; Le Roux, Alize; Mans, Gerbrand; Cooper, Antony Kyle (CONSAS Conference, 2018-09)
    Models which integrate and evaluate diverse factors of Land Use and Land Cover (LULC) change can be used to guide planners in making more informed decisions and achieving a balance between urban growth and preservation of ...
  • Adding value to numerical weather predictions for the aviation industry in South Africa 
    Jacobs, Quinton; Landman, Willem Adolf (Embry-Riddle Aeronautical University, 2019)
    The aviation industry forms part of the backbone of modern society. Air travel enables people and goods to be transported over vast distances in short periods of time. The aviation industry, therefore, enables the populace ...
  • Address data sharing : organizational motivators and barriers and their implications for the South African spatial data infrastructure 
    Sebake, Malete Daniel; Coetzee, Serena Martha; Joint Research Centre of the European Commission (European Commission Joint Research Centre, 2013)
    An address is a common reference for a multitude of information. In South Africa, multiple address datasets are developed and maintained by various public and private organizations with little or no cooperation on data ...
  • Advances towards the development of a cloud-resolving model in South Africa 
    Bopape, Mary-Jane Morongwa; Engelbrecht, Francois Alwyn; Randall, David A.; Landman, Willem Adolf (AOSIS Open Journals, 2014-09)
    Recent advances in supercomputing have made feasible the numerical integration of high-resolution cloudresolving models (CRMs). CRMs are being used increasingly for high-resolution operational numerical weather prediction ...
  • Aerosol climatology over South Africa based on 10 years of multiangle imaging spectroradiometer (MISR) data 
    Tesfaye, M.; Sivakumar, Venkataraman; Botai, Joel Ongego; Tsidu, G. Mengistu (American Geophysical Union, 2011)
    In this paper, we present a detailed study of the spatial and seasonal aerosol climatology over South Africa (SA), based on Multiangle Imaging Spectroradiometer (MISR) data. We have used 10 years (2000–2009) of MISR ...
  • Africa and the Paris Agreement 
    Kruger, Andries C. (Nature Publishing Group, 2018-05)
    The African continent is one of the most vulnerable regions to future climate change. Research now demonstrates that constraining anthropogenic warming to 1.5 °C instead of 2 °C will significantly lower the risk of heatwaves ...
  • Africánes in southern Africa : attributes and contribution to rainfall of a continental tropical low 
    Viljoen, Elizabeth; Dyson, Liesl L.; Moyo, Ishmael (Springer, 2023-03)
    Large parts of southern Africa are influenced by extra-tropical weather systems for most of the year. During late summer (December–March), the circulation over the area becomes distinctly tropical. This paper introduces ...
  • Agricultural perspectives on the 2015-2018 Western Cape drought, South Africa : characteristics and spatial variability in the core wheat growing regions 
    Theron, Simone Norah; Archer, Emma Rosa Mary; Midgley, S.J.E.; Walker, S. (Elsevier, 2021-07)
    Between 2015 and 2018, the Western Cape Province of South Africa experienced a multi-year severe drought, which negatively impacted major economic sectors. The province serves as an important producer of wheat in South ...
  • Agricultural resilience and adaptive capacity during severe drought in the Western Cape, South Africa 
    Theron, Simone Norah; Midgley, Stephanie; Hochrainer-Stigler, Stefan; Archer, Emma Rosa Mary; Tramberand, Sylvia; Walker, Sue. (Springer, 2023-09)
    Meeting the needs of multiple users and uses of freshwater resources is becoming progressively challenging. The response to the 2015–2018 Western Cape drought in South Africa offers lessons for both commercial crop growers ...
  • The allelopathic, adhesive, hydrophobic and toxic latex of Euphorbia species is the cause of fairy circles investigated at several locations in Namibia 
    Meyer, Jacobus Johannes Marion; Schutte, Christiaan E.; Hurter, Jan W.; Galt, Nicole S.; Degashu, Petunia; Breetzke, Gregory Dennis; Baranenko, Denis; Meyer, Nicole L. (BioMed Central, 2020-08)
    BACKGROUND: In this multidisciplinary study we present soil chemical, phytochemical and GIS spatial patterning evidence that fairy circles studied in three separate locations of Namibia may be caused by Euphorbia ...
  • Ambient air pollution on the Highveld : an airshed at a watershed moment? 
    Wernecke, Bianca; Langerman, Kristy E.; Garland, Rebecca M.; Feig, Gregor Timothy (National Association for Clean Air, 2022)
    On 18 March 2022, the Pretoria High Court found that chronic air pollution is a violation of Section 24 of the South African Constitution, and that South Africans have a right to an environment that is not harmful to ...
  • Ambient particulate air pollution and daily mortality in 652 cities 
    Liiu, C.; Chen, R.; Sera, F.; Vicedo‑Cabrera, A.M.; Guo, Y.; Tong, S.; Coelho, M.S.Z.S.; Saldiva, P.H.N.; Lavigne, E.; Matus, P.; Valdes Ortega, N.; Osorio Garcia, S.; Pascal, M.; Stafoggia, M.; Scortichini, M.; Hashizume, M.; Honda, Y.; Hurtado‑Diaz, M.; Cruz, J.; Nunes, N.; Teixeira, J.H.; Kim, H.; Tobias, A.; Íniguez, C.; Forsberg, B.; Astrom, C.; Ragettli, M.S.; Gou, Y.-L.; Chen, B.-Y.; Bell, M.L.; Wright, Caradee Yael; Scovronick, N.; Garland, Rebecca M.; Milojevic, A.; Kysely, J.; Urban, A.; Orru, H.; Indermitte, E.; Jaakkola, J.J.K.; Ryti, J.J.K.; Katsouyanni, K.; Analitis, A.; Zanobetti, A.; Schwartz, J.; Chen, J.; Wu, T.; Cohen, A.; Gasparrini, A.; Kan, H. (Massachusetts Medical Society, 2019-08-22)
    BACKGROUND : The systematic evaluation of the results of time-series studies of air pollution is challenged by differences in model specification and publication bias. METHODS : We evaluated the associations of inhalable ...
  • Analysing surface energy balance closure and partitioning over a semi-arid savanna FLUXNET site in Skukuza, Kruger National Park, South Africa 
    Majozi, Nobuhle P.; Mannaerts, Chris M.; Ramoelo, Abel; Mathieu, Renaud; Nickless, Alecia; Verhoef, Wouter (European Geosciences Union, 2017-07-10)
    Flux towers provide essential terrestrial climate, water, and radiation budget information needed for environmental monitoring and evaluation of climate change impacts on ecosystems and society in general. They are also ...