Faculty of Science & Technology (FST): Recent submissions
Now showing items 81-100 of 4213
-
Assessing How to Enhance Uptake of Index-based Insurance Among Smallholder Farmers in Embu County
(University of Nairobi, 2024)Kenyan agriculture is susceptible to climatic shocks, posing challenges for smallholder farmers in predicting the productivity and profitability of rain-fed farming systems. Despite the implementation of various adaptation ... -
Influence of Weather Parameters on Vehicular Air Pollutants at a Select Road in Nairobi, Kenya
(University of Nairobi, 2024)Atmospheric pollution is an existential threat to people particularly those residing in urban areas. It affects lives in different ways including health, water and food resources. The abundance of air pollutants in urban ... -
Agricultural Waste to Clean Green Transport Fuel: Catalytic Hydrothermal Reforming of Pyrolysis Oil From Bagasse
(University of Nairobi, 2024)Throughout the current century, the global community has encountered significant challenges in curbing the increase in global temperatures to below 2 °C above pre-industrial levels. Additionally, efforts have been made ... -
Impacts of Climate Change and Human Activities on Fire Hazards in Kakamega Forest, Kenya
(University of Nairobi, 2024)Kakamega tropical forest is found in western Kenya. It lies about 20km on the East of Kakamega town and about 50km from the Lake Victoria. It borders the Nandi Escarpment to the East. Kakamega forest serve as habitat for ... -
Assessment of Effects of Climate Variability and Change on Water Availability Over Turkwel River Basin
(University of Nairobi, 2024)Climate has a major impact on the availability of water in arid and semi-arid regions. Rainfall is the primary source of water; yet, because of climate variability and change, it can be uncertain. This study evaluated how ... -
Assessment of the Potential for Managed Groundwater Recharge as a Mitigation to Saline Water Intrusion - Case Study of Coastal Aquifers, Kwale County, Kenya
(University of Nairobi, 2024)Aquifers on the south coast of Kenya have been identified as a potential seawater intrusion risk due to the growing water demand. The research aims to investigate the extent of seawater intrusion (SWI) in the coastal ... -
Application of Surface-enhanced Raman Spectroscopy and Chemometrics in Total Aflatoxin Detection and Quantification in an Alcoholic Beverage
(University of Nairobi, 2024)Aflatoxins (AFs) are produced by certain fungi found on agricultural crops like maize, peanuts, cottonseed, and tree nuts. The main aflatoxin producers are Aspergillus parasiticus and A. flavus. The most widely known are ... -
Genetic Characterisation of Kenyan Pigeon Pea (Cajanus Cajan) Landraces for Drought Tolerance Using Start Codon Targeted (SCoT) Markers
(University of Nairobi, 2024)1.1 Background information to the study Pigeon pea (Cajanus cajan L.), a member of the leguminous Fabaceae family, is a perennial legume that is widely cultivated in both tropical and semitropical regions globally. South ... -
Integration of Traditional and Conventional Knowledge in Food Production to Enhance Adaptive Capacity in Mwala Sub-county, Machakos County, Kenya
(University of Nairobi, 2024)Given the dependence on rain-fed agriculture and limited adaptation capacity, Mwala Sub-County, Machakos, Kenya, remains vulnerable to the impacts of climate variability and change. This research investigated the role ... -
Assessment of Artisanal and Small-scale Gold Mining Practices on the Environmental and Socio-economic Systems in Narok County, Kenya
(University of Nairobi, 2024)This study assessed the environmental and socioeconomic ramification of Artisanal and Small- Scale Gold Mining (ASGM) in Narok County, Kenya. The study employed a combination of research design techniques which included ... -
Assessing the Vulnerability of Maasai Community and Their Adaptation Strategies to Climate Change and Variability: a Case Study of Kajiado County, Kenya
(University of Nairobi, 2024)This research provides an in-depth examination of the impacts of climate change on Maasai pastoralist communities in Kenya’s Kajiado County, making important contributions to understanding localized climate vulnerabilities ... -
Techno-economic Analysis of Grid-connected Photovoltaic Systems Under Sahelian Climate: the Case of Burkina Faso
(University of Nairobi, 2024)Solar energy has emerged as a promising alternative for global socio-economic development, especially in the abundant sunshine of the Sahelian climate zone. Solar photovoltaic (PV) systems have become more popular for ... -
Climate Variability and Change on Household Food Security and Adaptation Measures Amongst Smallholder Farmers in South Sudan
(University of Nairobi, 2024)Climate change has typically been a contentious topic in South Sudan with regard to whether it is the sole cause of food unavailability to many people or whether food insecurity is due to the Country’s internal communal ... -
Assessment of Vegetation Cover Dynamics and Nature-based Conservation Strategies in Response to Climate Variability and Change in Old Oyo National Park, Nigeria
(University of Nairobi, 2024)Human-induced climate change has led to significant impacts on ecosystems globally, particularly in African savannas, where the frequency and intensity of extreme events have increased. Escalating ecological threats in ... -
The Characteristics of Mb 4.9 Turkana Rift Mainshock-aftershocks Sequence in East Africa
(University of Nairobi, 2023)The volcanically and seismically active Main Ethiopian and East African (Kenya) rifts are linked in a complex zone within the Turkana Depression bounded by the Ethiopian plateau to the north and East African plateau to the ... -
Application of Surface-enhanced Raman Spectroscopic Method Assisted by Chemometrics in Rapid Assaying of Growth and Testosterone Hormones in Blood
(University of Nairobi, 2024)This thesis describes work that was done involving the use of surface-enhanced Raman spectroscopy (SERS) with artificial neural network (ANN) in detection and quantification of growth hormone (GH) and testosterone (TE) ... -
Analysis of Present and Future Changes in Extreme Rainfall Events Linked to Food Security in the Igad Region of Eastern Africa
(University of Nairobi, 2024)The observed and projected changes in extremes of daily rainfall have an impact on rain-fed agriculture, crop productivity, food security and other socioeconomic sectors in the IGAD region. Understanding the patterns of ... -
Mathematical Modeling of the Interruption of the Transmission of Soil Transmitted Helminths Infections in Kenya
(University of Nairobi, 2024)Kenya, just like other countries with endemic soil-transmitted helminths (STH) infections, has conducted regular mass drug administration (MDA) program for the last five years among schoolaged children as a way of reducing ... -
Modeling Re-identification Probability in Differentially Private Data Release for Data Analytics: a Case of Kenya
(University of Nairobi, 2024)With the proliferation of smart devices and the Internet of Things, large volumes of data are being generated quickly and in various formats every day, leading to what is commonly referred to as a data deluge. This phenomenon ... -
Participatory Approaches to Assessing the Impacts of Changes in Land Use and Climate on Ecosystem Services in Yala Wetland, Kenya
(University of Nairobi, 2024)Wetlands such as Yala Swamp in western Kenya, offer a broad range of ecosystem services (ES) that support the communities living around them. However, they face threats from drivers such as land use change, water abstraction, ...
