Browsing Faculty of Engineering & The Built Environment e-Theses Collection by Title
Now showing items 55-74 of 137
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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 ... -
Effect of rainfall variability on crop yield under semi-arid conditions at sub-catchment level
(2012-10-29)Poverty, hunger and malnutrition amongst rural people in semi-arid areas where small scale farming is dominant are widely recognized as major problems. The fact that rural communities of southern Africa reside in ... -
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, ... -
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 ... -
EFFECTS OF MINING ACTIVITIES AT BULYANHULU GOLD MINE (BGM) ON THE WATER QUALITY OF BULYANHULU RIVER: SHINYANGA - TANZANIA
(2012-10-18)This study assessed the effects of mining activities at Bulyanhulu Gold Mine (BGM) on the water quality of Bulyanhulu River in Tanzania. Potential pollutants were identified, quantified and their spatial distribution ... -
Energy optimization for flying base station.
(University of Zimbabwe, 2018-12)This thesis presents ambient energy harvesting techniques to enhance endurance of a flying base station mounted on an Unmanned Aerial Vehicle (UAV) as well as to extend flight duration of the UAV mounted base station. Two ... -
Estimation of evapotranspiration and its relationship to land use and water resources in Lufumi Catchment, Kinshasa, D.R.Congo.
(2016-10)This study was carried out in an ungauged catchment of the lower Congo River basin, with the overall objective of deriving useful data in support of water resources management practices. Specifically, the study aims to ... -
Evaluating the effect of different water demand scenarios on downstream water availability in Thuli river basin, Zimbabwe.
(2012-10-16)Thuli river basin is situated in a semi-arid area, where surface water resource availability is a constraint due to low rainfall received in the area. The river basin is more developed in its upper than lower reaches. ... -
EVALUATION OF THE GROUNDWATER POTENTIAL OF THE MALALA ALLUVIAL AQUIFER, LOWER MZINGWANE RIVER, ZIMBABWE
(2012-10-18)The study site lies in a semi arid climatic zone in the south eastern part of Zimbabwe. The overall climate, with a mean annual rainfall of 350 mm/annum is not generally suitable for farming, but groundwater from alluvial ... -
Evaluation of the status of water quality of the Great Usuthu River, Swaziland.
(2016-07)Surface water quality is deteriorating due to pollution caused by a number of factors that include anthropogenic activities, poor water quality management and climate change. The evaluation of River Water Quality (RWQ) ... -
Flood hazard modelling in Tsholotsho district, Zimbabwe
(2012-10-18)Among all natural hazards, floods pose the greater threat to property, safety and economic well being of human communities the world over. This study focused on understanding the nature of flooding in areas that are ... -
A GIS-Based approach for identifying suitable sites for rainwater harvesting technologies in Kasungu District, Malawi.
(2016-12)Kasungu district in Malawi has mainly been affected by erratic rainfall that are characterised by dry spells. Almost each year the district receives rainfall that is unevenly distributed spatially and temporal hence threatens ... -
Hydrological analysis of the Middle Zambezi and impacts of the operation of hydropower dams on flow regime in the Mana Pools National Park
(2012-07-13)The Mana Pools flood plain along the Middle Zambezi River and part of a popular Mana Pools National Park of Zimbabwe is experiencing both ecological and morphological change since the construction of upstream hydropower ... -
The hydrometallurgical ferro-reductive decomposition of stibnite, galena and arsenopyrite/pyrite gold bearing flotation concentrates.
(University of Zimbabwe, 2002)The thesis describes experimental investigations on the reductive decomposition of three sulphide minerals, namely (a) stibnite (Sb2S3), a gold and silver bearing antimony sulphide; (b) galena (PbS), a mainly silver bearing ... -
Impact of Current Institutional Setup on Water Service Delivery: A Synopsis of Two Water Authorities in Botswana
(2012-10-16)The water sector in many developing countries in the world is characterised by inadequacies and inefficiencies in service delivery (Gardner-Outlaw and Engelman, 1997). These among other things are reflected by disrupted ... -
Impact of Land Use Change and Increased Agricultural Water Use on the Incomati River Flow Regime
(2012-09-18)The Incomati River basin has been experiencing a decrease in river flows since the 1970’s. At the same time its catchment area has undergone severe land use changes and increased water abstractions. Further water abstractions ... -
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 ... -
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 ... -
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 IMPACT OF SUB-CATCHMENT ACTIVITY ON RIVER WATER QUALITY: A CASE STUDY OF MBABANE RIVER IN THE EZULWINI VALLEY, SWAZILAND.
(2012-10-31)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 ...
