Faculty of Engineering & the Built Environment: Recent submissions
Now showing items 161-180 of 190
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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, ... -
Reservoir Sedimentation as a function of land use and land cover change
(2012-07-31)In Zimbabwe, sediment load has exceeded normal design limits in many reservoirs, thus reducing storage capacity and shortening their useful life for human benefit. The study sought to investigate the impact of land use ... -
The Influence of Rainfall Season Quality on Maize Yield under Conservation Agriculture on Some Selected Locations in Malawi
(2012-07-31)Conservation agriculture (CA) is becoming an important option for integrated land and water resources management in most parts of the Sub-Saharan Africa region. Minimum soil disturbance, maximum soil cover, and crop ... -
Remote sensing based estimation of evaporation among different land cover types in the Upper-Wami River Basin, Tanzania
(2012-07-31)In Semi-arid Africa, evaporation is the dominant hydrological flux and hence an important component in water resources management. However, it is a challenge to fairly estimate the spatial variation of evaporation ... -
Satellite Remote Sensing of Surface water evaporation over Lake Mutirikwi, Zimbabwe
(2012-07-31)Evaporation from large water bodies is an important hydrological parameter as it dominates water balance in arid and semi-arid climates. Small changes in actual evaporation can lead to large changes in surface water ... -
An analysis of the Cahora Bassa Dam Water Balance and Reservoir Operations and their Flooding Impact on Upstream Settlements
(2012-07-17)The Lower Middle Zambezi catchment is sandwiched between three major dams; Kariba, Kafue (Itezhi-tezhi) and Cahora Bassa. The upstream dams have an impact on the inflows in the downstream Cahora Bassa Dam and, also, on ... -
Comparative Assessment of Performance of Urban Water Supply Systems in Small Towns of Zimbabwe
(2012-07-17)One of the major challenges faced by residents of small urban towns globally is that of poor Water and Sanitation Service delivery. The management of urban water services has become very important in the wake of the cholera ... -
Analysis Of Institutional Mechanisms That Support Community Response to Impacts of Floods and Drought in the Middle-Zambezi River Basin, Zimbabwe
(2012-07-17)In recent years, the frequency of droughts has been increasing in Southern Africa. In areas such as the middle Zambezi Valley’s Manyame catchment, Zimbabwe, floods are also a frequent occurrence. Increase in the frequency ... -
Risk Analysis of Wastewater use in Crop Production: A case of Glen Valley Irrigation Scheme, Botswana
(2012-07-17)The Glen Valley Irrigation Scheme uses treated sewage effluent for crop production, however the potential public health risks associated with wastewater use is of major concern to workers and consumers. This research was ... -
Contribution of Hydrological Processes in the Occurrence of Extreme Hydrological Events in the Middle Zambezi River Basin
(2012-07-17)The middle Zambezi has experienced hydrological extremes in alternating intervals. The impacts are mostly felt by the people who live close to the river and mostly around Lake Cahora Bassa. A study on the analysis of the ... -
Coping With Droughts and Floods in the Middle Zambezi Valley: A case study of Kanyemba, Mbire District
(2012-07-17)Water related extreme events like drought and floods have become recurrent in Kanyemba. Low rainfall totals, combined with intra-season dry-spells, are responsible for low yields. Heavy rain within a short period and ... -
Assessment of the water quality and spatial distribution of the major pollutants in Ngerengere River Catchment, Tanzania.
(2012-07-17)Pollution from natural and anthropogenic processes threatens available fresh water resources. This is the case for Ngerengere River in Wami/Ruvu basin in Tanzania. The pollution is aggravated by agricultural and industrial ... -
Development and Testing of an ICT-based Decision Support System for effective Management of Small Reservoirs: the case of Gwanda district, Zimbabwe
(2012-07-17)Small reservoirs represent one of the most important sources of water for livelihoods in the Mzingwane catchment, which constitutes the entirety of the Limpopo basin in Zimbabwe, because of semi-arid conditions that ...
