Faculty of Engineering & The Built Environment e-Theses Collection: Recent submissions
Now showing items 41-60 of 137
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Effects of land use changes on water quality in Eerste River, South Africa
(2016-07)Landuse/land cover change is the key factor causing water quality changes worldwide. Stellenbosch town in the Western Cape, South Africa depends on Eerste River water for drinking and irrigation. The water quality of Eerste ... -
Transformation of small-scale artisanal gold mining in Zimbabwe through investment in appropriate technology and promoting the concept of sustainable development: The possibility of industrial small-scale mining
(2008-04)Artisanal gold mining is slowly adopting technology formally used in medium to large size mines and developing it into innovative, specialized equipment tailored to conditions pertaining to remote locations in Zimbabwe. ... -
Measuring the economic value of wetland ecosystem services in Malawi: a case study of Lake Chiuta wetland
(2013-11)Economic valuation of wetland ecosystem goods and services aims to investigate public preferences for wetlands and the natural resources in monetary terms and it aids in quantifying the direct and indirect benefits that ... -
Technical constraints to urban wastewater management in Zimbabwe
(2013-09)In urban areas of Zimbabwe, wastewater management receives less attention than water supply. Wastewater management should promote the recycling and reuse of sewage effluent without causing harm to public health and the ... -
Assessment of land use dynamics of the N’djili catchment in DR Congo: implication for catchment planning
(2013-12)The lack of the basic data in both ungauged and poorly gauged catchments make the tasks of water resources management and planning challenging in these areas. This leads to ineffectiveness and improper assessment of water ... -
Analysis of water governance in urban local authorities of Zimbabwe
(2013-12)Urban water governance practices have a great influence on the quality of water services delivered. Infrastructural developments need to be complemented by effective management practices in order to realise full benefits ... -
An understanding of variations in the area extent of Lake Lyambezi: perspective for water resources management
(2013-11)Lyambezi is natural lake found in the Caprivi region, of Namibia. It provides the link between the Kwando-Linyanti and Chobe Rivers. The lake dried out for nearly two decades since the mid-1980s. However, Lyambezi re-emerged ... -
Assessment of benefits of floodplain recession farming in Mbire District, Mashonaland Central Province, Zimbabwe
(2013-09)Food insecurity is a major challenge in Mbire district as the grain yield (maize and sorghum) from rain-fed farming are low due to erratic rainfall distribution (400 - 650 mm). The inhabitants of this area have resorted ... -
Challenges and opportunities in solid waste management in Zimbabwe’s urban councils
(2013-09)Modern trends demand the sustainable management of solid waste through waste minimization, material recovery, full collection and sanitary disposal of waste. Poor solid waste management in Zimbabwean urban councils has ... -
Impact of Pumping on Groundwater Resources-An Assessment through steady state modelling: Orapa Wellfield 7, Central Botswana
(2013-12)Debswana Diamond Company, Orapa Letlhakane Damtshaa Mines (OLDM), undertook development works for a new wellfield, Wellfield 7 in 2012/2013. The primary objective was to establish the new wellfield to supply an additional ... -
Assessment of spatial and temporal soil loss in and out of Lesotho using Rusle Model and GIS
(2013-11)Lesotho is one of the major sources to rivers that drain the southern part of southern Africa through Senqu and Sabi-Sand River. However severe soil erosion is the major environmental problem that has left the landscape ... -
Technical efficiency of sprinkler irrigation in Swaziland: a case study of the Lusip Phase 1 in Lubovane area
(2013-11)The purpose of this study was to assess the technical efficiency of sprinkler irrigation of smallholder sugarcane scheme in the Lubovane area of Swaziland in terms of design parameters, frequency of water application, ... -
Willingness to pay for improved water supply services in Shoshong, Phaleng ward, Botswana: application of Contingent Valuation Method (CVM)
(2013-12)Developing countries face the mammoth task of providing basic services and infrastructure. Amongst the top services that have provenmost difficult to provide is the provision of water supply. Since many rural people are ... -
The spatio-temporal soil moisture variation along the major tributaries of Zambezi River in the Mbire District, Zimbabwe
(2013-10)The livelihoods and subsistence of the largest number of people in Mbire communal areas depends on soil moisture evolving from seasonal floods that is tapped for agriculture. The communities have not realised the full ... -
The relationship between production performance and governance in smallholder irrigation schemes in Swaziland
(2013-11)Smallholder sugarcane growing is central to rural development and poverty alleviation in Swaziland. The main objective of smallholder sugar cane growing is to reduce poverty through increased household income. This study ... -
The role of Indigenous Knowledge Systems in coping with food security and climate challenges in Mbire District, Zimbabwe
(2013-12)Agriculture is the main form of livelihood in the Mbire District of Zimbabwe. The district lies in Natural Region IV and the average rains are 650 mm per year and experiences frequent droughts and floods. Weather forecasting ... -
Simulation and Optimization of Utility Interactive Photovoltaic Power Generation in Zimbabwe
(2014-07-21)There is a lot of research being done worldwide in harnessing clean energy, like solar energy and injecting it into existing electricity grids. This project looks at modeling, simulation and optimization of utility ... -
The Internal Effective Stress-strain Behaviour of an Unsaturated Expansive soil.
(2013-09-23)Following a critical review of the conceptual and laboratory studies on expansive soil behaviour, it is shown that the current understanding of unsaturated expansive soil behaviour is not consistent. In the main, the ... -
Impacts of agricultural activities on the diversity of aquatic macroinvertebrates as an indicator of ecosystem health along the Lower Komati River, Swaziland
(2012-11-12)At present, sugar cane production requires more land than any anthropogenic activity in the lower Komati catchment. Despite its threat to water quality, not much is known about the impact of the increased agricultural ... -
MODELLING MULTIPLE RESERVOIR OPERATION SYSTEM FOR OPTIMUM PRODUCTIVE WATER USE IN THE SAFARI- IGAVA IRRIGATED AREA IN MARONDERA DISTRICT IN ZIMBABWE
(2012-11-12)Zimbabwe undertook a land reform in 2000, where some large scale commercial farms were sub-divided into smaller plots and allocated to new farmers. Reservoirs owned and managed by farmer consortiums were taken over by a ...
