Research Papers/Topics in Water Resources Management And Agro-Meteorology

Evaluating The Water Quality Within The Reticulation System Of Kwekwe Municipality During The Dry And Wet Seasons.

AbstractThe research sought to evaluate the water quality within the reticulation system of Kwekwe municipality during the dry and wet seasons and to measure the water quality parameters such as pH, turbidity, total coliforms, free and combined chlorine from the source, final stage of treatment and throughout the distribution system. It also had to consider how distance from one sampling point to another affect the quality of water. It had to consider measurement, the water treatment process,...

Simulation Of Rainfall Surface Runoff- Water Quality Effects On Surface Water Bodies In Mid-Block Of Yala

ABSTRACTIn Kenya and other countries in the world, most water treatment works derive their rawwater from rivers that flow in a watershed. Lack of proper management of watershed leadsto high runoff generated and subsequent flooding downstream leading to damagedinfrastructure, pollution and deterioration of water quality. The main aim of this study wasto simulate runoff water quality effects and establish a relationship models in three watersheds in Yala basins. The river watersheds considered ...

Optimization Of Reservoir Pressure For Management Of Water Losses In Distribution Network: Case Of Kimilili Water Supply Scheme, Kenya

ABSTRACTPotable water supply distribution networks are designed and constructed to conveytreated water from the water treatment plant to end users. In developing countries, urbanwater supplies are mostly intermittent, typically ranging from 2 hours to 4 hours in a dayand experiences high physical water losses resulting from frequent pipeline burst andrepairs along water distribution pipelines due to high water pressure heads in ageddistribution lines. Pressure management as a way of managing ...

Assessment Of The Influence Of Sand Gradation On Site Suitability For Construction Of Sand Dam; A Case Study Of Kitui South Sub County, Kenya

ABSTRACT This study was undertaken in Kitui South in Kitui County in the south eastern parts of Kenya. The main objective of the study was to develop a spatial model that can be used for selection of suitable sites for sand dam in Kitui South. Data analysis was done using three approaches. The first approach involved the use of the Remote Sensing (RS) technique where data was preprocessed and analyzed using Erdas Imagine software and Geographical Information Systems (GIS) for spatial modellin...

Determination Of The Drivers And Impacts Of Water Diversion And Abstraction In Selected Rivers In The Upper Tana Basin, Kenya

ABSTRACTThe South West Upper Tana Basin, Kiama, Chania, Kimakia and Thika sub basins, located in the central region of Kenya has been experiencing increased water abstraction and river diversions. However, the causes of this increased water abstraction have not been fully investigated. Several factors that could be responsible to these abstractions; climate change, land cover/land use changes, agricultural practices and changes in streamflow. Previous studies in the region have not determined...

School Of Water Resources Science And Technology

ABSTRACTThe Mara River is the lifeline of the Trans boundary Mara basin across Kenya and Tanzania.The basin is considered one of the more serene sub-catchments of the Lake Victoria Basinand ultimately the Nile Basin. The basin traverses the famous Maasai Mara and SerengetiNational Parks in Kenya and Tanzania respectively. The basin also contains forests, largescalefarms, smallholder farms, pastoral grazing lands, as well as hunter gatherers and fishers.There is growing concern however, regard...

Application of water quality index to assess water quality in river chania, kiambu county, kenya

ABSTRACT Human-related activities are known to have deleterious effects on the water quality of aquatic ecosystems globally. However, there is limited information on the impact of similar perturbations in tropical regions, especially the River Chania in Kiambu County, Kenya, which is an important source of water for humans and animals and also provides habitat for a variety of flora and fauna along its length. The aim of this study was to determine the spatial and temporal variations...

Contribution Of Forest Provisioning Ecosystem Services To Livelihoods Of Smallholder Farmers Adjacent Chyulu Hills Forest

ABSTRACTForests are believed to play critical ecological, social, cultural, and economic role tothe livelihoods of smallholder farmers in Kenya and even all over the world. ForestryProvisioning Ecosystem Services (FPES) contribute significantly to smallholderfarmers‘ livelihoods though this contribution is sometimes not accounted for.Understanding the role played by FPES to the livelihood of smallscale farmers iscrucial for sustainable management of the forest resources. This study therefor...

An Assessment Of Ground Water Quality In Yatta Plateau In Kitui County, Kenya

xABSTRACTThe study is primarily an assessment of groundwater quality in the Yatta Plateau of KituiCounty. The study focused on the spatial temporal distribution of key chemical parametersnamely pH, TDS, Colour, Total hardness, Turbidity, Conductivity, Total alkalinity,Fluoride and Iron. Yatta Plateau is a volcanic formation which is characteristically flat atthe top thus limiting overland flow and depression storage necessary for other methods ofwater supply to the community resident on the P...

Assessment Of Effects Of Deforestation On Spring’s Water Production: A Case Study Of Nuu/Mutaitho Hills Springs In Kitui County

ABSTRACTThis study is focused on the assessment of the effects of deforestation on springs found in Nuuand Mutaitho hills in Kitui County. Deforestation is manifested by clearing of dry land forests ona massive scale. Springs in Nuu and Mutaitho hills originate from groundwater aquifers and areessentially formed on hillsides and valley bottoms that intersect groundwater flow at or belowthe local water table. The main objective of the study was to determine the main causes ofdecline in spring ...

Impacts Of Expansion Of Agriculture And Land Use Change On Flow Regime Of Thiba River, Kenya

ABSTRACTSoil and Water Assessment Tool (SWAT) was used to model the impacts of land cover changes on stream flow regime in the Thiba River basin a sub-catchment of Tana River Basin covering a surface area of 1648 km2 in central region of Kenya. The basin is characterized by intensive agricultural activities including the largest rice irrigation scheme in Kenya. A study was undertaken to test the capability of the model in predicting stream flow response under changing land use conditions in a...

The impact of working ton industrial effluent on the surface water quality of marimba river, Harare, Zimbabwe.

ABSTRACT Pollution of water bodies due to human activities such as industrial waste disposal is a serious challenge facing most developing countries in the world today. Thus the management and supply of freshwater to the public is compromised and the ecological integrity of these rivers is lost due to adverse impacts such as eutrophicaton with algal blooms proliferating in these rivers. This could be due to such factors as pre-treatment costs, costs of having pre-treatment plants and in...

Illegal Gold Mining As It Affects River Water Quality: Case Of Runde River

ABSTRACTMining waste is the major threat to water quality in Runde river . The main objective of the study is to investigate the effects of illegal gold mining on the water quality of Runde river. Three sampling sites were noted which were at least 500 m apart. They were named 1,2 and 3 with site 1 located before the mining zone and site 2 was adjacent to the mining zone and site 3 after the mining zone. Samples were taken for the dry season ( September , October) and the wet season (February...

Effects of urbanisation in Upper Manyame on the flow of Manyame River at Gauging Station C21

ABSTRACTRegression analysis was used to establish the relationship between urbanisation in Harare andriver yield of Manyame River at gauging station C21. To detect the effects of urbanisation,Landsat images were downloaded from USGS website (http://landsatlook.usgs.gov/viewer)and they were processed in Quantum GIS and System for Automated Geoscientific Analysis.Image classification was carried out in SAGA were the images were classified into five mainclasses which were Forest, Scrub, Ground, ...

Origin and mechanisms of high salinity in Hombolo Dam and groundwater in Dodoma municipality Tanzania

Abstract The Hombolo dam (HD), in central Tanzania, is a shallow reservoir characterized by high salinity that limits its use for human activities. The origin of the salinity, mechanisms of reaching and concentrating in the dam remain unclear. These were assessed using hydrogeochemical facies, water type evolutions and mapping. The source of HD salinity was identified to be shallow groundwater (SG) and runoff from a seasonal floodplain with NaCl-rich lithological materails, along Little...


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