Faculty of Engineering & The Built Environment e-Theses Collection: Recent submissions
Now showing items 101-120 of 137
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Pressure Management as a Tool for Reduction and Control of Real Water Losses for Kasungu Water Supply Scheme in Malawi
(2012-08-30)Research has shown that effective management of water resources for urban water utilities worldwide still remains a challenge. Pressure management is one of the tools that is known to control water leakages in piped water ... -
Land use changes between 1972 and 2008 and current water quality of wetlands in Harare, Zimbabwe.
(2012-08-30)Agriculture and other land use changes such as settlement adversely affect water levels and nutrient status hence influences wetlands ecosystems. To assess the impacts of land use changes in three selected urban wetlands ... -
Predicting hydrological droughts from a Standardized precipitation index (SPI) in South Phuthiatsana River basin, Lesotho
(2012-08-30)Droughts affect Lesotho in varying degrees every year leading to shortage of water, posing a threat to nature, quality of life and economy. Although hydrological droughts are defined by below long-term mean of annual ... -
Assessment of conjunctive use of small earth dams and boreholes for sustainable rural livelihoods in a semi-arid area: Case of Lilongwe West Rural Groundwater Project area, Malawi
(2012-08-30)Semi-arid Africa is well known for its unpredictable rainfall patterns, increased cases of drought and dry spells, high evaporative demands and increasing population which put pressure on water resources. Local experiences ... -
Impacts of agricultural activities on the diversity of aquatic macroinvertebrates as an indicator of ecosystem health along the Lower Komati River, Swaziland
(2012-08-30)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 ... -
Partitioning of Unaccounted for Water for Zomba City Water Supply System in Malawi
(2012-08-30)Urban water supply utilities in developing countries are faced with challenges of low service coverage and high unaccounted for water (UFW). UFW reduces the water available to customers, and results in loss of revenue ... -
A Preliminary Assessment of the Wetland Biological Integrity in Relation to Land Use: A Case of the Intunjambili Wetland, Matobo District, Zimbabwe.
(2012-08-30)Research done in Zimbabwe on wetlands has tended to concentrate on hydrological aspects, agronomic practices, institutional arrangements, resource mapping, soil types, water quality and general conservation status. There ... -
An Assessment of Gender Mainstreaming in Water Resources Management: A Case Study of Mkoji Sub Catchment in Usangu Plains, Tanzania.
(2012-08-30)From the late 1980s onwards, the Gender and Development (GAD) approach was developed with the objective of removing disparities in social, economic, and political balances between women and men as a pre-condition for ... -
Local Participation in Transboundary Water Resources Management: The Case of Limpopo Basin, Zimbabwe
(2012-08-30)IWRM-led water reforms in southern Africa have emphasised the creation of new institutions with little explanation regarding how the institutions can effectively engage with stakeholders at different levels, especially ... -
The Impact of Sub-Catchment Activity on River Water Quality: A Case Study of Mbabane River in The Ezulwini Valley, Swaziland.
(2012-08-30)The water quality of a river is influenced by the catchment’s characteristics. The Mbabane River sub- catchment in the eZulwini Valley, Swaziland has catchment activities which are potential sources of both point and non ... -
The Internal Effective Stress-strain Behaviour of an Unsaturated Expansive soil.
(2012-08-29)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 ... -
The Impact of Rural Water Supply and Sanitation Programmes in Chivi District, Zimbabwe
(2012-07-31)The effectiveness of development activities in water and other sectors can be improved through a broad-based analysis of livelihoods and the factors that influence them, including the wider ‘vulnerability context’ in ... -
Economic valuation of selected direct and indirect use values of the Makgadikgadi wetland system, Botswana
(2012-07-31)Economic valuation of wetlands aims to investigate public preferences for changes in the state of the wetland and the natural resources it constitutes in monetary terms. It provides a means of quantifying the direct and ... -
Assessment of the Quality of Water in Urban Rivers - A case study of Lilongwe River in Malawi
(2012-07-31)Lilongwe the capital city of Malawi has a population of 670,000 and is fast growing at a rate of 4.3% per annum. All streams and runoffs in the city drain in Lilongwe River, hence its water quality for human use appears ... -
Reservoir Operation Under Different Climate Change Scenarios: Case of Roswa Dam, Bikita District, Zimbabwe.
(2012-07-31)The challenge of maintaining or improving the quality of rural livelihoods against the increasing threat of climate change (CC) and climate variability (CV) calls for the development of robust and tested systems, tools ... -
Impacts of alum residues from Morton Jaffray water works on water quality and fish, Harare, Zimbabwe.
(2012-07-31)Metal pollution of freshwater resources due to human activities is a major problem confronting most urban centres in developing countries. A study was carried out on the impacts of aluminium (Al) sulphate (alum) residues ... -
Investigating Opportunities for the Formalization of Small Scale Independent Providers of Water Services In Dar-Es-Salaam City, Tanzania
(2012-07-31)In the city of Dar es Salaam in Tanzania, 70% of households have no direct access to water supply services from Dar es Salaam Water Supply and Sewerage Authority (DAWASCO). Peri-urban areas are the most affected and are ... -
Bio-Fuel Feedstock Production and its Implications for Agricultural Water Use in Zambia
(2012-07-31)This research assessed the implications of introducing bio-fuel feedstock production for agricultural water use in Zambia so as to advise whether Zambia should go for the production of bio-fuels given the limited available ... -
Assessment of the State of the Water Quality of The Lusushwana River, Swaziland, using selected Water Quality Indices
(2012-07-31)Water quality indices are one of the major developments that have taken place in water quality monitoring. Since the development of the first water quality index various other water quality indices have been developed, ... -
Effect of Traditional Water Allocation Practices on the Environmental Flows In Ntcheu-Malawi: case study of Rivirivi River
(2012-07-31)The headwater catchments of the Rivirivi River basin play a vital role in meeting downstream water resources requirements. In recent years, the Rivirivi River has experienced significant changes in its hydrological regime, ...
