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Browsing by Author "Botai, J"

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Effect of impervious surface area and vegetation changes on mean surface temperature over Tshwane metropolis, Gauteng Province, South Africa

Author: Adeyemi, A ; Botai, J ; Ramoelo, Abel ; van der Merwe, F ; Tsela, P Date: Nov 2015 The Tshwane Metropolis, Gauteng Province, South Africa, continues to experience rapid urbanization as a result of population growth. This has led to the conversion of natural lands into large man-made landscapes i.e., increase in impervious ... Read more
Effective single scattering albedo estimation using regional climate model

Author: Tesfaye, M ; Tsidu, M ; Sivakumar, V ; Botai, J Date: Sep 2011 In this study, by modifying the optical parameterization of Regional Climate model (RegCM), the authors have computed and compared the Effective Single-Scattering Albedo (ESSA) which is a representative of VIS spectral region. The arid, ... Read more
Health risks of temperature variability on hospital admissions in Cape Town, 2011-2016

Author: Makunyane, MS ; Rautenbach, H ; Sweijd, Neville A ; Botai, J ; Wichmann, J Date: Jan 2023 Epidemiological studies have provided compelling evidence of associations between temperature variability (TV) and health outcomes. However, such studies are limited in developing countries. This study aimed to investigate the relationship ... Read more
A regional project in support of the SADC cyber-infrastructure framework implementation: Weather and climate

Author: Bopape, Mary-Jane M ; Sithole, Happy M ; Motshegwa, T ; Rakate, E ; Engelbrecht, F ; Archer, E ; Morgan, A ; Ndimeni, L ; Botai, J Date: Jul 2019 Early warning systems in the areas of weather and climate for supporting decision making and strategic intervention in key sectors (e.g. water, health, energy, disaster risk management, and agriculture) rely on the use of earth observations ... Read more
Retrieval of relative humidity from CSIR-NLC mobile LIDAR backscatter measurements

Author: Tesfaye, M ; Sivakumar, V ; Botai, J ; Moema, D ; Sharma, Ameeth ; Bollig, C ; Hannes Rautenbach, CJ deW ; Mengistu, G Date: Sep 2009 The CSIR-NLC mobile LIDAR has been operated at the University of Pretoria during October 2008 for a better understanding of the atmosphere's boundary layer evolution and aerosol (solid particles suspended in the air) concentrations. The ... Read more

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Browsing by Author "Botai, J"

Browsing by Author "Botai, J"

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