Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"Water quality index"”.
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Groundwater quality assessment in the Ngaka Modiri Molema District using the Water Quality Index
In the conducted research, the groundwater quality of different boreholes located in the Ngaka Modiri Molema District (NMMD), more specifically Ratlou, Ditsobotla, and Tswaing local municipalities (LM), for drinking, livestock, and irrigation purposes were assessed. The obtained water quality …
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Development of Source and Treated Water Quality Indicators for drinking water in Canada from conceptual design to methodological development
… Canada took on the development of a Source Water Quality Indicator for Canada. The main objective was to develop a methodology by which source water quality could be linked to public health, the environment, society, and economy; and measured, tracked, and reported in the form of an …
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The performance of SUDS ponds in Eastern Scotland
… enhanced method for analysing and reporting SUDS water quality performance. The research is based on information gained from intensive flows and water quality studies at two SUDS ponds, and additional water quality data obtained at a third pond, over a period of three years. The ponds are located …
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The effect of treated wastewater effluent on the water quality of the Natalspruit river
Lack of effective wastewater management strategies poses a serious threat to the environment and human health around the world. South Africa's freshwater resources are threatened by human influence and dwindling at an alarming rate. Global climate change is expected to exacerbate this stress unless …
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Semantics orientated spatial temporal data mining for water resource decision support
Water resource management is becoming more complex and relies heavily on computer software processing to help data queries for common and rare patterns for analyzing critical water events. For example, it is vital for decision makers to know if certain types of water quality problems are isolated …
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Classification of water quality using artificial neural network
Deterioration in water quality has triggered many countries to initiate serious mitigation efforts because it is essential to prevent and control water quality pollution and to implement regular monitoring programmes to preserve the environment. Hence, the water quality index (WQI) developed by …
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Phytoremediation of Sembrong River waters using neptunia oleracea and pistia stratiotes
Water quality of Sungai Sembrong is in poor condition but it is an important source of water for people in Parit Raja. Water has to be treated intensively resulting in high cost. This study aims to determine the water quality index (WQI) and the efficiency of phytoremediation as well as the effect …
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The effects of coal mining on sedimentation and fish assemblages in the Powell River, Virginia
… evaluate the effects of land uses on hydrology, water quality, sedimentation (particle size < 2 mm), and fish assemblages and to derive ecological indicators for monitoring. The hydrologic (disturbance) regime of the sixth order reach was Classified. Although surface coal mining appears to have …
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Hydrogeochemical evaluation and groundwater quality assessment for drinking and irrigation purposes in Bushbuckridge, South Africa.
… evaluating the hydrochemistry and assessing the quality of groundwater for drinking and irrigation purposes. Groundwater samples (n= 40) were collected from different boreholes in different locations around the study area. Groundwater hydrochemical parameters including pH, total dissolved solids …
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Assessment of health risk association with groundwater from Collins Chabane and Makhado Municipality of Vhembe District
Water is essential to life, but many people lack access to clean and safe drinking water, and many die of preventable waterborne diseases. The study conducted assessed groundwater vulnerability to Physico-chemical and microbial contamination across the Collins Chabane and Makhado Municipality. A …
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Estimating minimum thresholds of natural vegetation for the integrated management and protection of water quality in South African catchments
Despite multi-level commitments to Integrated Water Resources Management (IWRM), many of South Africa's water quality problems are attributable to the negative impacts of anthropogenic land use on water quality. Academics and policymakers have warned that unless action is taken to improve water …
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Characterisation of surface water quality in the Luapula river basin and developing a WQImin model for potential inter-basin water transfer to the Kafue river basin.
This study underscored the importance of water quality, providing insights for sustainable resource management in decision-making and development planning. The study focused on the Luapula River Basin (LRB) in Zambia, a potential donor for inter-basin water transfers to the Kafue River Basin (KRB). …
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Characterisation of surface water quality in the Luapula river basin and developing a WQImin model for potential inter-basin water transfer to the Kafue river basin.
This study underscored the importance of water quality, providing insights for sustainable resource management in decision-making and development planning. The study focused on the Luapula River Basin (LRB) in Zambia, a potential donor for inter-basin water transfers to the Kafue River Basin (KRB). …
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Assessment of coastal aquifer contamination using geochemical and health risk assessment in Maputaland formations, South Africa
… the popular tourist areas in South Africa. Groundwater is the foremostsource for drinking and irrigation abstracted from the unconsolidated aquifers where the infiltration rate is very high. This could possibly increase the risk of aquifer contamination.The main objectives of this study is to …
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IoT and machine learning approach for the determination of optimal freshwater exchange rate in aquaponics
… resource efficiency. Due to constraints in land, water, and energy availability, controlled environment production systems such as aquaponics are gaining attention as integrated approaches to producing fish and plants. While aquaponics is widely recognised for its efficient water reuse, recent …
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Evaluation of a diatom-based index for acid mine drainage impacted permanent pans in the Mpumalanga Highveld region
… wetlands such as grass pans, reed pans, open-water pans, and salt pans. The region also hosts the Highveld coal field, South Africa's second largest producing coal field. Increased mining and agriculture present the most serious threats to wetland ecosystems in the Mpumalanga Highveld. These …
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Modeling of Groundwater Heavy Metals and Methane Pollution for a Municipal Landfill Utilizing Data Driven and Numerical Modeling Techniques
… results to the advancement of modeling of groundwater heavy metal pollution and methane generation as the main two concerns in landfilling for a municipal landfill. To better understand the context of thesis, it has been divided into six major studies. The first part of the thesis is on …