ResearchSpace
→
Browsing by Author

Browsing by Author "Kapangaziwiri, Evison"

Now showing items 1-20 of 25

Next Page

Application of the rainfall infiltration breakthrough (RIB) model for groundwater recharge estimation in west coastal South Africa

Author: Sun, X ; Xu, Y ; Jovanovic, Nebojsa ; Kapangaziwiri, Evison ; Brendonck, L ; Bugan, Richard DH Date: Apr 2013 Recharge estimation in arid and semi-arid areas is very challenging. The chloride mass balance method applied in western South Africa fails to provide reliable recharge estimates near coastal areas. A relationship between rainfall events and ... Read more
Assessing the impact of global changes on the surface water resources of Southwestern Nigeria

Author: Ayeni, AO ; Kapangaziwiri, Evison ; Soneye, ASO ; Engelbrecht, FA Date: Dec 2015 Understanding the relative impact of land use, land cover and climate change (LULCC) on basin runoff is necessary in assessing basin water stress. This assessment requires long-term observed rainfall time series and land-use/land-cover (LULC) ... Read more
Assessing the impact of global changes on the surface water resources of Southwestern Nigeria

Author: Ayeni, AO ; Kapangaziwiri, Evison ; Soneye, ASO ; Engelbrecht, FA Date: Dec 2014 Understanding the relative impact of land use, land cover and climate change (LULCC) on basin runoff is necessary in assessing basin water stress. This assessment requires long-term observed rainfall time series and land-use/land-cover (LULC) ... Read more
Assessing water resources availability in headwater sub-catchments of Pungwe River Basin in a changing climate

Author: Gumbo, AD ; Kapangaziwiri, Evison ; Chikoore, H ; Pienaar, Harrison H Date: Jun 2021 Study Region: The Pungwe River Basin, which is predominantly rural, is a transboundary river shared between Zimbabwe and Mozambique. The riparian communities along the river largely depend on the availability of streamflow for their livelihoods ... Read more
Assessment of satellite-derived rainfall and its use in the ACRU agro-hydrological model

Author: Suleman, Shuaib ; Chetty, KT ; Clark, DJ ; Kapangaziwiri, Evison Date: Nov 2020 Unfortunately, for various reasons, in-situ rain gauge networks are diminishing, especially in southern Africa, resulting in sparse networks whose records give a poor representation of rainfall occurrence, patterns andmagnitudes. Hydrological ... Read more
The delineation of alluvial aquifers towards a better understanding of channel transmission losses in the Limpopo River Basin

Author: Mvandaba, Vuyelwa ; Hughes, D ; Kapangaziwiri, Evison ; Mwenge Kahinda, Jean-Marc ; Hobbs, Philip J ; Madonsela, Sabelo ; Oosthuizen, Nadia Date: Dec 2018 Understanding the impact of key hydrological processes on the availability of water resources is an integral component of equitable and sustainable integrated water resource management. Previous hydrological studies conducted in the Limpopo ... Read more
Evaluation of recent hydro-climatic changes in four tributaries of the Niger River Basin (West Africa)

Author: Badou, DF ; Kapangaziwiri, Evison ; Diekkrüger, B ; Hounkpè, J ; Afouda, A Date: Oct 2017 West Africa experienced severe drought during the 1970s and 1980s, posing a threat to water resources. A wetter climate more recently suggests recovery from the drought. The Mann-Kendall trend and Theil-Sen’s slope estimator were applied to ... Read more
The fate of the City of Mutare's urban water supply as changing climate impacts on its source in the Pungwe sub-catchment

Author: Gumbo, AD ; Kapangaziwiri, Evison Date: Oct 2021 Sustaining a steady supply of water to urban communities is of importance in a period that is characterised by rapid urban population growth, a global pandemic, and a changing climate that threatens the availability of the resource from its ... Read more
Hydrological assessment of freshwater resource areas in the Zambezi River Basin

Author: Mwenge Kahinda, Jean-Marc ; Kapangaziwiri, Evison Date: Oct 2012 Hydrological modelling of the Zambezi River Basin will inform the development and formulation of appropriate management strategies to ensure and maintain environmental flow requirements. Read more
Hydrological characterisation of wetlands: Understanding wetlands-catchment linkages

Author: Mandlazi, Nompumelelo P ; Kapangaziwiri, Evison ; Mwenge Kahinda, Jean-Marc ; Mazvimavi, D Date: Oct 2015 This paper aims to assess the performance of two hydrological models routinely used in South Africa with the wetlands processes included. Read more
The impacts of commercial plantation forests on groundwater recharge: A case study from George (Western Cape, South Africa)

Author: Tuswa, N ; Bugan, Richard DH ; Mapeto, T ; Jovanovic, Nebojsa ; Gush, Mark B ; Kapangaziwiri, Evison ; Dzikiti, Sebinasi ; Kanyerere, T ; Xu, Y Date: Aug 2019 The benefits of the commercial plantation forestry sector (income generation and job provision) come at considerable environmental costs, particularly the impact of the industry on water resources. Plantation forests exhibit higher ... Read more
Implementing integrated catchment management in the Limpopo River Basin Phase 1: Situational assessment

Author: Mwenge Kahinda, Jean-Marc ; Kapangaziwiri, Evison ; Engelbrecht, FA ; Meissner, Richard ; Ashton, PJ Date: Oct 2012 A situational assessment of De Beers’ mining operations within a water-stressed area, and close to an ecologically sensitive area, offers useful insights for the development of specific interventions in the areas surrounding their mining ... Read more
Investigation on the 1970s and 1980s droughts in four tributaries of the Niger River Basin (West Africa).

Author: Badou, DF ; Afouda, A ; Diekkruger, B ; Kapangaziwiri, Evison Date: Jul 2015 West Africa has experienced severe droughts during 1970s and 1980s. On the other hand, the region is characterized by high inter-annual rainfall variability and there seems to be a recent recovery. But has the drought stopped? To answer this ... Read more
Modelling blue and green water availability under climate change in the Beninese Basin of the Niger River Basin, West Africa

Author: Badou, DF ; Diekkrüger, B ; Kapangaziwiri, Evison ; Mbaye, ML ; Yira, Y ; Lawin, AE ; Oyerinde, GT ; Afpouda, A Date: May 2018 The aim of this study was to quantify climate change impact on future blue water (BW) and green water (GW) resources as well as the associated uncertainties for four sub-basins of the Beninese part of the Niger River Basin. The outputs of ... Read more
Modelling of channel transmission loss processes in semi-arid catchments of southern Africa using the Pitman Model

Author: Mvandaba, Vuyelwa ; Hughes, D ; Kapangaziwiri, Evison ; Mwenge Kahinda, Jean-Marc ; Oosthuizen, Nadia Date: May 2018 Water availability is one of the major societal issues facing the world. The ability to understand and quantify the impact of key hydrological processes, on the availability of water resources, is therefore integral to ensuring equitable and ... Read more
Natural hazards in a changing world: a case for ecosystem-based management

Author: Nel, JL ; Le Maitre, David C ; Nel, DC ; Reyers, B ; Archibald, S ; Van Wilgen, BW ; Forsyth, GG ; Theron, AK ; O'Farrell, Patrick J ; Mwenge Kahinda, Jean-Marc ; Engelbrecht, FA ; Kapangaziwiri, Evison ; Van Niekerk, Lara ; Barwell, L Date: May 2014 Communities worldwide are increasingly affected by natural hazards such as floods, droughts, wildfires and storm-waves. However, the causes of these increases remain underexplored, often attributed to climate changes or changes in the patterns ... Read more
Parameter and input data uncertainty estimation for the assessment of water resources in two sub-basins of the Limpopo River Basin

Author: Oosthuizen, Nadia ; Hughes, DA ; Kapangaziwiri, Evison ; Mwenge Kahinda, Jean-Marc ; Mvandaba, Vuyelwa Date: Jul 2017 The demand for water resources is rapidly growing, placing more strain on access to water and its management. In order to appropriately manage water resources, there is a need to accurately quantify available water resources. Unfortunately, ... Read more
Quantification of water resources uncertainties in the Luvuvhu sub-basin of the Limpopo river basin

Author: Oosthuizen, Nadia ; Hughes, D ; Kapangaziwiri, Evison ; Mwenge Kahinda, Jean-Marc ; Mvandaba, Vuyelwa Date: Jun 2018 In the absence of historical observed data, models are generally used to describe the different hydrological processes and generate data and information that will inform management and policy decision making. Ideally, any hydrological model ... Read more
The role of basin physical property data in assessing water stress in water resources studies: The application of the Pitman Rainfall-runoff model in Nigeria

Author: Ayeni, AO ; Kapangaziwiri, Evison Date: Nov 2012 This paper examines the role played by basin physical attributes in determining river runoff. The approach uses soil and other available hydro-meteorological and geophysical information to directly estimate the parameters of the Pitman ... Read more
Soil hydrological properties of a tropical basin: the case study of the Beninese part of the Niger River

Author: Badou, DF ; Diekkrüger, B ; Afouda, A ; Kapangaziwiri, Evison ; Hounkpe, J ; Steup, G Date: Mar 2015 Graduate Research Program on Climate Change and Water Resources, University of Abomey-Calavi, Abomey-Calavi, Benin Department of Geography, University of Bonn, Bonn, Germany Graduate Research Program on Climate Change and Water Resources, ... Read more

Now showing items 1-20 of 25

Next Page

Browse

All of ResearchSpace

Quick Links

Legislation and compliance

General Enquiries

Tel: + 27 12 841 2911
Email: callcentre@csir.co.za

Physical Address
Meiring Naudé Road
Brummeria
Pretoria
South Africa

Postal Address
PO Box 395
Pretoria 0001
South Africa

Social Connect

Copyright © CSIR 2017. All Rights Reserved

Resources on this site are free to download and reuse according to associated licensing provision. Please read the terms and conditions of usage of each resource.