ETDs: Virginia Tech Electronic Theses and Dissertations: Recent submissions
Now showing items 1-20 of 34355
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Meteorological Impacts on Streamflow: Analyzing Anthropogenic Climate Change's Effect on Runoff and Streamflow Magnitudes in Virginia's Chesapeake Bay Watershed
(Virginia Tech, 2020-08-05)Anthropogenic climate change will impact Virginia's hydrologic processes in unforeseen ways in the coming decades. This research describes variability in meteorology (temperature and precipitation) and associated hydrologic ... -
Optimization Methods for Distribution Systems: Market Design and Resiliency Enhancement
(Virginia Tech, 2020-08-05)The increasing penetration of proactive agents in distribution systems (DS) has opened new possibilities to make the grid more resilient and to increase participation of responsive loads (RL) and non-conventional generation ... -
Assessing Structure–Property Relationships of Crystal Materials using Deep Learning
(Virginia Tech, 2020-08-05)In recent years, deep learning technologies have received huge attention and interest in the field of high-performance material design. This is primarily because deep learning algorithms in nature have huge advantages over ... -
Hybrid Modeling and Simulation of Stochastic Effects on Biochemical Regulatory Networks
(Virginia Tech, 2020-08-04)A complex network of genes and proteins governs the robust progression through cell cycles in the presence of inevitable noise. Stochastic modeling is viewed as a key paradigm to study the effects of intrinsic and extrinsic ... -
Buying to Thrive: Exploring the Potential for Market-Based Approaches to Contribute to Increases in Diet Diversity in Mozambique
(Virginia Tech, 2020-08-04)Globally, more than two billion people suffer from deficiencies in micronutrients that are essential for human health. Low-income populations in low- and middle-income countries are especially vulnerable to these deficiencies. ... -
DNA Sequence and Haplotype Variation Analysis of Inflammatory Response Genes NLRX1, IL6, and IL8 in the Turkey (Meleagris gallopavo)
(Virginia Tech, 2019-02-08)Genotype-phenotype analyses continue to be the primary goal for genome analyses in livestock and poultry breeding. Essential to accomplish this goal is the need to identify variation at the genomic level. To test the ... -
The Grieving Process of Opioid Overdose Bereaved Parents in Maryland
(Virginia Tech, 2020-07-31)In recent years, the opioid epidemic in the United States has garnered attention on a federal and local level due to the increasing number of fatal overdoses. This study aimed to explore the experiences of parents who have ... -
Distributed Machine Learning for Autonomous and Secure Cyber-physical Systems
(Virginia Tech, 2020-07-31)Autonomous cyber-physical systems (CPSs) such as autonomous connected vehicles (ACVs), unmanned aerial vehicles (UAVs), critical infrastructure (CI), and the Internet of Things (IoT) will be essential to the functioning ... -
Three Essays on the Evolution of the Determinants of Educational Attainment and its Consequences
(Virginia Tech, 2019-02-07)The dissertation focuses on the different determinants of education, their effects on the educational outcome, and the overall effect of education on the lifetime consequences. The first chapter focuses on the inequality ... -
A Study on Use of Wide-Area Persistent Video Data for Modeling Traffic Characteristics
(Virginia Tech, 2019-02-07)This study explores the potential of vehicle trajectory data obtained from Wide Area Motion Imagery for modeling and analyzing traffic characteristics. The data in question is collected by PV Labs and also known as persistent ... -
Chemical and Physical Modifications of Semicrystalline Gels to Achieve Controlled Heterogeneity
(Virginia Tech, 2019-02-07)Sulfonated polyaromatic hydrocarbon membranes have emerged as desirable candidates for proton exchange membranes (PEMs) due to their excellent mechanical properties, high thermal and chemical stability, and low cost. ... -
Syrian Refugee Fathers Perceptions of Identity and Family Dynamics in the U.S. after Displacement
(Virginia Tech, 2019-02-07)At the end of 2016, approximately 65.6 million individuals were displaced forcibly around the world because of generalized violence, persecution, violation of human rights, or conflict such as civil war (UNHCR, 2016). The ... -
Investigating Awareness-Supporting Techniques in Co-located Sensemaking
(Virginia Tech, 2019-08-07)Co-located sensemaking has benefitted from multi-user multi-touch devices such as tabletops and wall-mounted displays. Sensemakers use these displays to establish personal workspaces in which to perform individual sensemaking ... -
Improving the Perception of Depth of Image-Based Objects in a Virtual Environment
(Virginia Tech, 2020-07-29)In appreciation of High-Performance Computing, modern scientific simulations are scaling into millions and even billions of grid points. As we enter the exa-scale, new strategies are required for visualization and analysis. ... -
Kenyan Vegetable Farmers' IPM adoption: barriers and impacts
(Virginia Tech, 2020-07-29)This thesis analyzes factors affecting adoption of integrated pest management (IPM) techniques by Kenyan vegetable farmers, including the role of their risk preferences. It also analyzes factors affecting their pesticide ... -
The Greenway Trail in Community Development: An examination of value, representation, and distribution of benefits among stakeholders
(Virginia Tech, 2020-07-28)Greenway trails, or linear community parks, are growing in popularity around the world and are increasingly prevalent in cities of all sizes in the United States. At their best, greenways can provide affordable transportation, ... -
Glucose Metabolism in Low Birth Weight Neonatal Pigs
(Virginia Tech, 2019-02-04)The neonatal period in mammals is characterized by high growth rates and is dominated by skeletal muscle hypertrophy. Low birth weight (LBWT) neonates experience restricted growth and development of skeletal muscle, leading ... -
Understanding the Influence of Banded Mongoose (Mungos mungo) Social Structuring on Disease Transmission Using Molecular Tools
(Virginia Tech, 2019-02-04)Understanding the disease transmission dynamics in wildlife species can be difficult and can prove more complicated if the population structure of a socially living species is shaped by territoriality. Understanding the ... -
Attention Modification to Attenuate Facial Emotion Recognition Deficits in Children with ASD
(Virginia Tech, 2019-02-04)Prior studies have identified diminished attending to faces, and in particular the eye region, in individuals with Autism Spectrum Disorder (ASD), which may contribute to the impairments they experience with emotion ... -
Use of Photogrammetry Aided Damage Detection for Residual Strength Estimation of Corrosion Damaged Prestressed Concrete Bridge Girders
(Virginia Tech, 2020-07-27)Corrosion damage reduces the load-carrying capacity of bridges which poses a threat to passenger safety. The objective of this research was to reduce the resources involved in conventional bridge inspections which are an ...
