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Browsing by Author "Vhengani, L"

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Comparison of slant-path scintillometry, sonic anemometry and high-speed videography for vertical profiling of turbulence in the atmospheric surface layer

Author: Griffith, DJ ; Sprung, D ; Sucher, E ; Ramkilowan, A ; Vhengani, L Date: Sep 2013 The optical effect of atmospheric turbulence greatly inhibits the achievable range of Detection, Recognition and Identification (DRI) of targets when using imaging sensors within the surface layer. Since turbulence tends to be worst near the ... Read more
Measurements of mirror soiling at a candidate CSP site

Author: Griffith, DJ ; Vhengani, L ; Maliage, M Date: Sep 2013 Loss of mirror reflectivity due to soiling at Concentrated Solar Power (CSP) plants is a significant consideration for design and operation of the plant. Increasingly, a bankable case for establishment of a new plant will include an evaluation ... Read more
Multitemporal burnt area mapping using Landsat 8: merging multiple burnt area indices to highlight burnt areas

Author: Vhengani, L ; Frost, P ; Lai, C ; Booi, N ; Van den Dool, R ; Raath, W Date: Jul 2015 Wild fires may be beneficial to some ecological functions, however their negative impacts far exceed their benefits. This is because wildfires are a threat to the natural environment, wild life and their carbon emissions contribute to green ... Read more
Remote sensing for aquaculture support in the Western Indian Ocean

Author: Smith, Marie E ; Vhengani, L Date: Oct 2023 Presentation on the remote sensing for aquaculture support in the western Indian Ocean. Read more
Satellite imager calibration and validation

Author: Vhengani, L ; Lubbe, M ; Griffith, D ; Lysko, M Date: Oct 2010 The success or failure of any earth observation mission depends on the quality of its data. Data quality is assessed by determining the radiometric, spatial, spectral and geometric fidelity of the satellite sensor. The process is termed calval. ... Read more
Spectrometer and Radiative Transfer Model Comparison using High Sun In-Situ Observations in Pretoria

Author: Lysko, MD ; Feister, U ; Griffith, D ; Gross, S ; Vhengani, L ; Ramkilowa, A ; Mahlobo, D Date: Aug 2012 There is need for reliable in-situ spectral solar irradiance measurements. For instance, the spectrally resolved irradiance may be used to infer its influence on radiative forcing of climate and in solar energy applications. In any case, ... Read more

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Browsing by Author "Vhengani, L"

Browsing by Author "Vhengani, L"

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