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Browsing by Author "Bopape, Mary-Jane M"

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Advances towards the development of a cloud-resolving model in South Africa

Author: Bopape, Mary-Jane M ; Engelbrecht, F ; Randall, DA ; Landman, WA Date: Sep 2014 Recent advances in supercomputing have made feasible the numerical integration of high-resolution cloud resolving models (CRMs). CRMs are being used increasingly for high-resolution operational numerical weather prediction and for research ... Read more
Atmospheric modelling and prediction at time scales from days to seasons

Author: Landman, WA ; Engelbrecht, F ; Park, R ; Bopape, Mary-Jane M ; Lötter, D Date: 01 Sep 2010 Daily weather forecasts are skilful and are initial-value problems, while at the seasonal time scale, slowly varying surface forcing, for example from the tropical Pacific Ocean, can induce atmospheric anomalies that are sufficiently long-lasting ... Read more
Climate change and environmental health in southern Africa: it's not all about malaria

Author: Wright, C ; Thambiran, Tirusha ; Matooane, M ; Engelbrecht, F ; Bopape, Mary-Jane M ; Olwach, J Date: Jul 2011 In South Africa, the most commonly talked-about climate change-related human health risk is a changing pattern in the distribution and severity of malaria. However, there are three other important issues that also deserve some attention if ... Read more
Development of a moisture scheme for the explicit numerical simulation of moist convection

Author: Bopape, Mary-Jane M ; Engelbrecht, F ; Randall, D ; Landman, W Date: 01 Sep 2010 The eastern part of South Africa is a summer rainfall region, and most of its rainfall is of convective origin. Convective rainfall is often associated with hail, lightning and tornadoes – all of which can damage property and cause casualties, ... Read more
Development of a moisture scheme for the explicit numerical simulation of moist convection

Author: Bopape, Mary-Jane M ; Engelbrecht, F ; Randall, D ; Landman, W Date: Sep 2010 The Council for Scientific and Industrial Research is developing a nonhydrostatic sigma coordinate model (NSM). This model will be used to simulate nonhydrostatic processes to help meteorologists better understand and forecast convective ... Read more
Introducing a moisture scheme to a nonhydrostatic sigma coordinate model

Author: Bopape, Mary-Jane M ; Engelbrecht, F Date: Sep 2011 A nonhydrostatic sigma coordinate model (NSM) is currently being developed at the Council for Scientific and Industrial Research (CSIR), using the equation set of Engelbrecht et. al. (2007), for purposes of simulating weather at spatial ... Read more
Multi-scale climate modelling over Southern Africa using a variable-resolution global model

Author: Engelbrecht, FA ; Landman, WA ; Engelbrecht, CJ ; Landman, S ; Bopape, Mary-Jane M ; Roux, B ; McGregor, JL Date: Dec 2011 Evidence is provided of the successful application of a single atmospheric model code at time scales ranging from short-range weather forecasting through to projections of future climate change, and at spatial scales that vary from relatively ... Read more
Multi-scale climate modelling over Southern Africa using a variable-resolution global model

Author: Engelbrecht, FA ; Landman, WA ; Engelbrecht, CJ ; Landman, S ; Bopape, Mary-Jane M ; Roux, B ; McGregor, JL ; Thatcher, M Date: Dec 2011 Examples are provided how a single atmospheric model can be applied across a range of time and spatial scales. 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
Regional Projections of Extreme Apparent Temperature Days in Africa and the Related Potential Risk to Human Health

Author: Garland, Rebecca M ; Matooane, M ; Engelbrecht, FM ; Bopape, Mary-Jane M ; Landman, WA ; Naidoo, M ; Van der Merwe, J ; Wright, CY Date: Oct 2015 Regional climate modelling was used to produce high resolution climate projections for Africa, under a “business as usual scenario”, that were translated into potential health impacts utilizing a heat index that relates apparent temperature ... Read more
Representation of aerosol particles and associated transport pathways in regional climate modelling in Africa

Author: Garland, Rebecca M ; Horowitz, HM ; Engelbrecht, CJ ; Dedekind, Zane ; Bopape, Mary-Jane M ; Engelbrecht, Francois A Date: Nov 2016 Aerosol particles can have large impacts on air quality and on the climate system. Regional climate models for Africa have not been well-tested and validated for their representation and simulation of aerosol particles. This study aimed to ... Read more
Sensitivity of RegCM3 simulations to horizontal resolution

Author: Bopape, Mary-Jane M Date: Sep 2009 Dynamic downscaling for climate studies utilises a regional climate model that is nested within a global climate model (GCM) or global reanalyses. The GCM or global reanalyses data is interpolated to the RCM's grid and used to drive the RCM ... Read more
Simulating moist convection with a quasi-elastic sigma coordinate model

Author: Bopape, Mary-Jane M ; Engelbecht, F ; Randall, D Date: Oct 2012 As part of ongoing model development work being done at the CSIR, a model that can be used to study thunderstorms has been developed. In this case we are showing its application over the Western Pacific ocean in the tropics where observation ... Read more
Simulating moist convection with a quasi-elastic sigma coordinate model

Author: Bopape, Mary-Jane M ; Engelbrecht, F ; Randall, D ; Landman, W Date: Sep 2012 Cloud Resolving Models (CRMs) employ microphysics parameterisations which are grouped into bin and bulk approaches. Bulk Microphysics Parameterisation (BMP) schemes specify a functional form for the particle distribution and predict one or ... Read more
Simulating suppressed and active convection periods during TOGA COARE

Author: Bopape, Mary-Jane M ; Engelbrecht, FA ; Randall, DA ; Landman, WA Date: Sep 2013 The two-dimensional Non-hydrostatic s-coordinate Model (NSM) is used to simulate two twelve day periods and an eight day period observed during the Tropical Oceans Global Atmosphere Coupled Ocean-Atmosphere Response Experiment (TOGA COARE). ... Read more

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