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Characterizing Lava Flow Morphology And Lava Flow Dynamics: A High-Resolution Lidar And Structure From Motion Study Of The Hell’S Half Acre Lava Flow, Idaho, Rachel T. Bakowski

USF Tampa Graduate Theses and Dissertations

Basaltic lava flow eruptions can impact vast areas, profoundly altering the landscape. Although many past eruptions have gone unobserved by scientists, they often leave behind substantial deposits that preserve key elements of the eruption’s history. By studying lava textures and the overall structure of lava flows, we can reconstruct the specific conditions that occurred during the eruption and contributed to the final morphology of the lava flows. Hell’s Half Acre is a large, well-preserved basaltic lava flow in the Eastern Snake River Plain, containing a variety of significant geological features resulting from its distinctive eruption history. This thesis examines a …

Llms In Network Intrusion Detection – A Comprehensive Analysis, Sudharshan Balaji

USF Tampa Graduate Theses and Dissertations

Network Intrusion Detection Systems (NIDS) play a critical role in identifying and mitigating malicious activities within computer networks. With the rapid evolution of natural language processing (NLP), Large Language Models (LLMs) have emerged as transformative tools across various domains. LLMs, such as OpenAI’s GPT series and Meta’s LLaMA models,have demonstrated remarkable performance in tasks like language generation, reasoning, and classification. Their ability to understand and process vast amounts of data has enabled groundbreaking advancements in areas like healthcare, finance, and cybersecurity. Recent trends highlight their potential to handle unstructured data, perform complex reasoning, and adapt to a wide range of …

The Knowledge, Ability And Willingness Of Instructors To Accommodate Students With Disabilities In Higher Education, Hawa Allarakhia

USF Tampa Graduate Theses and Dissertations

This dissertation presents the findings of a study investigating the knowledge, ability, and willingness of faculty at a large university to accommodate students with disabilities (SWD). It reveals that while many instructors demonstrate a solid understanding of disability legislation, variations in knowledge and confidence exist based on demographic factors, particularly years of experience. Accommodations like extended time and distraction-free testing environments are more likely to be received positively by instructors and granted easily, while there needs to be more inclination to offer resource-intensive options like note-takers. The study also recommends future research and practical strategies for higher education institutions to …

Beyond Climate In Placencia, Belize: Navigating Environmental Change In The Anthropocene, Rory E. Mckenna

USF Tampa Graduate Theses and Dissertations

Examining opportunities for climate resilience requires an evaluation of lived experiences of environmental change which benefits from transdisciplinary perspectives. This research examines those experiences through the lens of anthropogenic change which allows for a critical focus on local conditions of environmental change specific to Placencia Village, Belize, over time. An anthropology of the anthropocene framing shifts the focus from the results of the global phenomenon responsible for climate change to the implications of local human-caused environmental change on natural systems, human-environment relationships and dynamics, and the future trajectories of these relationships. Through the use of interviews, go-alongs, participatory mapping, transdisciplinary …

A Python Pipeline For Rapid Inversion Of Gravity Data Aimed At Early Career Researchers: Application To The Lost River Fault, Idaho, Bradford C. Mack

USF Tampa Graduate Theses and Dissertations

Gravity data and modeling can be used to create a 3D view of basin and fault geometries, a valuable tool for seismic hazard assessment. Additionally, access to a high-speed, easy-to-use modeling workflow will enable more researchers to supplement their work with a new method and allow students to be exposed to modeling earlier in their academic careers. The primary goals of this work are to create a widely usable 3D gravity and basin model, to create an introduction to modeling teaching module for undergraduate geology students, and to apply the model to the northernmost two segments of the Lost River …

3d Reconstruction And Comparative Anatomical And Kinematic Analyses Of The Foot Of Archaeopteryx, Alexander M. Kirk

USF Tampa Graduate Theses and Dissertations

Research on the evolution of dinosaur flight has long been dominated by the wing, often overlooking the foot. The foot of Archaeopteryx, the “icon of evolution”, thus offers a unique opportunity to investigate this critical evolutionary stage. Chapter I of this dissertation integrates advanced 3D reconstruction techniques, combining photogrammetry with X-ray data, to create a high-resolution model of the foot of the Thermopolis specimen of Archaeopteryx for visualization and analysis. Driven by 3D coordinate axes derived from joint surface topology, the analyses in Chapter II reveal terrestrial adaptations -- such as a medially oriented hallux (81°), serially shorter phalanges on …

Statistical Analysis And Modeling Of Colon Cancer, Nessrin Bukhshim

USF Tampa Graduate Theses and Dissertations

Cancer is considered a health issue in the world. Many cancer research studies focus on improving the survival time of patients diagnosed with cancer, and they make an effort to find the methods that help them detect cancer and find effective treatments to increase the patient's survival time. In this study, we aim to understand the behavior of malignant tumor size in four stages. Our investigation seeks to uncover whether any statistically significant difference exists between the malignant tumor sizes of male and female patients at different cancer stages. We also investigate whether any parametric probability distribution function best fits …

Acoustic Energy For Use In Mass Spectrometry, Ashton N. Taylor

USF Tampa Graduate Theses and Dissertations

Analyzing lipid assemblies, including synthetically produced liposomes and naturally produced extracellular vesicles (EVs), is challenging due to their size, diverse composition, and tendency to aggregate. EVs contain a complex variety of lipids, proteins, and other metabolites. EVs composition can provide us insight into what is happening inside the body and a subcellular level and have potential for noninvasive biomarkers. Liposomes are vesicles that form with a simple phospholipid bilayer membrane and play important roles in drug delivery systems. The use of mass spectrometry (MS) allows for broad analysis of lipids from different classes but their release from the higher order …

Characterizing West Florida Shelf Reef Fish Communities Using A Scientific Echosounder, Edmund A. Hughes

USF Tampa Graduate Theses and Dissertations

The advancement and application of non-invasive fisheries survey technologies, such as the scientific echosounder, have significantly enhanced our understanding of fish populations and their habitats, more recently in regions where traditional sampling methods are limited, such as complex reef habitats. This research, conducted as part of the Continental Shelf Characterization, Assessment, and Mapping Project (C-SCAMP) on the West Florida Shelf, leverages acoustic and visual technologies to investigate the distribution of fish densities, fish target strength and length relationships, and the relationship between seafloor topography and fish biomass distribution.

The first study compared reef fish densities estimated from near-concurrent acoustic (Simrad …

Relationship-Influenced Cyber Hygiene (Rich) In Community Banks, Monte L. Ward

USF Tampa Graduate Theses and Dissertations

This dissertation is a research study that introduces the theoretical model of Relationship-Influenced Cyber Hygiene (RICH) through its investigation of the phenomenon the researcher experienced: how the interpersonal relationship between top management and cybersecurity personnel within smaller community banks influences the cyber hygiene of top management. Due to the value proposition of community banks to their clients and the limited budget of smaller institutions for investment in cybersecurity controls and initiates, community banks need additional strategies to achieve stronger cyber hygiene, especially as it relates the greatest weakness in most cybersecurity infrastructures—the human element. This study identifies and addresses a …

Evaluating How Malaria Transmission Season, Residency, And Travel History Modify The Association Between Vector Control Method Use And P. Falciparum Infection In Accra, Ghana., Anna Beltrame

USF Tampa Graduate Theses and Dissertations

Background. Urbanization and population movements increase urban malaria risk, necessitating adjustments to traditional control strategies. Data on vector control methods in urban African settings and their association with malaria risk remain limited.

Objectives. To evaluate the association between vector control methods and Plasmodium falciparum infection in Accra, Ghana, and how this association varies by malaria transmission season, residency, and travel history.

Methods. This observation study utilized data from two cross-sectional household surveys conducted in March-April and June-July 2024 as part of the MUSE study. Participants were household members over six months old who gave consent, randomly selected from 13 health …

Compositional Characteristics And Relationships Between Oceanic Basement, Sediment, And Volcanic Arc Rocks: Geochemical Evolution Of The South China Sea And Luzon-Taiwan Arc, Antonio J. Luna

USF Tampa Graduate Theses and Dissertations

In this dissertation, I have characterized the geochemical signatures of the South China Sea (SCS) igneous basement and marine sediments with the intent to examine the results in the context of the understanding the origin and evolution of the SCS oceanic mafic crust, the type of sediments found in the SCS, and finally their impact on the composition of the island arc lavas within the northern Luzon Arc. This dissertation research has three main objectives:

1. Examining the origin, composition, and evolution of the SCS mid-ocean ridge basalt (MORB), as well as the preexisting crustal rocks recovered near the continent-ocean transition …

Artificial Reefs As Management Tools, Tiff Raetzel

USF Tampa Graduate Theses and Dissertations

Artificial reefs are attractive tools for fisheries management and reef conservation, as they can host large fish biomasses, including fisheries-important species, and they may supplement natural recruitment. Prior studies have established that artificial and natural reefs differ in habitat complexity and host both taxonomically and functionally distinct assemblages. These differences may impact how the reef types respond to environmental disturbance because ecosystem stability is dependent upon habitat structure, species composition, and trophic interactions. A question of management importance is whether artificial reefs host a less- or more-sensitive suite of species than natural reefs, and whether the assemblage is conducive to …

Hurricane Evacuation: Navigating Uncertainty During Covid 19 And With Existing Communication Scales, And Considering Public And Expert Perception Of Alternative Scales, Leilani D. Paxton

USF Tampa Graduate Theses and Dissertations

This dissertation investigates the effectiveness of current hurricane warning products and communication strategies, exploring factors influencing public perception of risk and decision-making during evacuations. The study employs a mixed-methods approach, combining survey data, focus group discussions, and interviews with meteorologists and emergency managers. The first paper examines the impact of the COVID-19 pandemic on hurricane risk perception and evacuation decisions. Findings indicate that while COVID-19 concerns played a role in some individuals' decisions, particularly those with pets or concerns about shelter conditions, the majority of participants evacuated for Hurricane Ian. The study highlights the importance of providing clear, consistent, and …

Preservice Elementary Teachers’ Perceptions Of The Incorporation Of An Ecojustice Framework In An Undergraduate Stem Integration Course, Rita G. Ortiz

USF Tampa Graduate Theses and Dissertations

Environmental education across the K-12 science curriculum lacks critical examination of human and ecological relationships, particularly in relation to science, technology, engineering, and mathematics (STEM) education. While the Next Generation Science Standards include environmental topics within their disciplinary core ideas and many schools offer environmental science courses, this gap can be addressed in teacher preparation programs, particularly for those teaching younger students. Ecojustice centers on socioecological topics by addressing cultural assumptions we, as humans, live by in relation to natural systems. Ecojustice education is a critical pedagogy that engages learners about social issues related to our current ecological crisis. This …

Flexible Docking Method Development For Computer-Aided Drug Design, Luke C. Warrensford

USF Tampa Graduate Theses and Dissertations

Modern drug discovery, the process of identifying or developing novel therapeutic compounds to treat a disease, increasingly relies on computational methods to make the process faster and more efficient. One of the most useful tools in the computer-aided drug design toolbox is molecular docking, the simulation of a protein-ligand complex to determine ligand binding affinity. The results from molecular docking help inform the overall drug discovery process on which compounds have more potential to be potent inhibitors, thus saving time and resources during the later and more expensive stages of drug discovery. Two important considerations of modern docking methods are …

The Ensemble Code As A Constructed Working Memory, Jacob Zepp

USF Tampa Graduate Theses and Dissertations

This dissertation formalizes and refines a new theory of ensemble coding: the Non-Selective Transfer Model. Within this theory, ensemble codes and subsequent summary judgments are the result of representations constructed over a subset of information that is encoded into working memory. The work begins with a brief review of current ideas present within the ensemble coding literature, followed by a set of formalized descriptions of ensemble coding theories that have been proposed. A discussion of relevant theories present in the working memory literature is also provided to motivate the structure of the subsequent model. The Non-Selective Transfer Model 2 is …

Foundations Of Music Education: Creativity, Curriculum, And Terminal Degrees, Charles Edwin Patterson Iii

USF Tampa Graduate Theses and Dissertations

This collection of articles includes three concepts centered on critical areas within music education: (1) creativity and the creative personality, (2) curriculum development with a focus on orchestral string teaching, and (3) the historical evolution and current status of doctoral programs in music education in the United States. These three articles are correlated through their shared focus on enhancing the field of music education by examining the essential elements that shape practices by students, teachers, mentors, etc. Together, they explore how creativity, curriculum approaches, and advanced training programs in music education contribute to a holistic and adaptive music education framework …

“Who Am I?”: Novice Teachers Making Meaning Of Their Intersectional Teacher Identity, Kerrijo E. Ellis

USF Tampa Graduate Theses and Dissertations

The purpose of this qualitative study was to explore how marginalized and/or minoritized novice teachers make meaning of their teacher identity. An integrated theoretical framework informed this study using Hong et al.’s (2024) conceptualization of teacher identity, Crenshaw’s (1989) intersectionality, and Collins & Bilge’s (2020) definition of intersectionality. Utilizing the photovoice methodology, four focus groups were conducted with a purposeful sample of five novice teachers who identified as marginalized (i.e., gender, disability, LGBTQIA+) and/or minoritized (i.e., ethnic and/or racial minority). Using reflexive thematic analysis (Braun & Clarke, 2023), I identified three themes: (1) Why I Became a Teacher, which included …

N-Type Cdte Thin Films For Photovoltaic Applications, Wei Wang

USF Tampa Graduate Theses and Dissertations

Cadmium Telluride is widely used as a thin-film solar cell material due to its nearly ideal optical bandgap (~ 1.5eV) and its high absorption coefficient (> 104 cm-1). In the past several decades, most of the research focused on p-type CdTe solar cells. In recent years, the research on CdTe devices is mainly based on CdSexTe1-x (CST) absorbers, leading to substantial advancements in conversion efficiency, comparable to that of silicon-based solar cells. Presently, p-type polycrystalline CST/CdTe thin-film solar cells exhibit a notable efficiency of 23.1%. The state-of-art CST/CdTe solar cell has attained an almost optimal short-circuit current density (JSC) of …

Preparing Children For Kindergarten Readiness: Early Childhood Teachers’ Goals And Practices, Julie Chappell

USF Tampa Graduate Theses and Dissertations

Literature in the field of early childhood education suggests that standardization and the accountability movement in the United States has changed the way that teachers approach kindergarten, resulting in less play and more teacher-directed activities. This pedagogical shift causes challenges for early childhood educators striving to promote developmentally appropriate, play-based and child-centered approaches to learning for young children while preparing children for the expectations of kindergarten. The purpose of this qualitative study was to gain an understanding of prekindergarten teachers’ views about their role in preparing children for kindergarten. The study was guided by two research questions: How do prekindergarten …

Six-Year College Graduation Status For High School Students Participating In An Upward Bound Program, Raymond Upward Cabrera

USF Tampa Graduate Theses and Dissertations

This study examines the impact of high school academic indicators and participation in the federally funded Upward Bound program on college graduation rates for first-generation, low-income students. Specifically the extent to which participation in the federally funded TRIO Upward Bound program and related factors—high school GPA, course rigor, program involvement, gender, race, and college type—predict 6-year college graduation rates for first-generation, low-income students. Using stepwise logistic regression analysis on data of 163 students in an Upward Bound program in the Southeast, the results show that students with higher GPAs, active engagement in the program, and females were significantly more likely …

Performance And Trihalomethane Formation Potential Of Alternative Electron Donors For Wastewater Denitrification, Bruno Fulco Mancini

USF Tampa Graduate Theses and Dissertations

Nitrogen removal from wastewater is critical to preserve ecosystems, as well as human health and welfare. Excess nutrients in receiving waters can cause many problems to the environment, such as algal blooms, drinking water contamination, and economic losses. Nitrogen removal in wastewater occurs mainly through the oxidation and reduction processes of nitrification and denitrification, which occur in engineered systems at wastewater treatment plants or water reclamation facilities.

The site for this research was the South Cross Bayou (SCB) Water Reclamation Facility, located in Pinellas County, FL, USA. At SCB, nitrogen is removed through a Modified Ludzak-Ettinger (MLE) process with the …

Seasonal And Interannual Abundance, Distribution, And Carbon Production Estimates In The Northeastern Gulf Of Mexico Using The Sipper Camera Imaging System, Carlyn Scott

USF Tampa Graduate Theses and Dissertations

Larvaceans are filter-feeding gelatinous zooplankton whose contributions to marine biogeochemical processes are poorly constrained. By frequently shedding their particle-rich houses and producing dense fecal pellets, larvaceans contribute large amounts of particulate organic matter to deeper waters and to the sea floor. Despite their importance, little is known about larvacean abundance, distribution, and carbon production in the highly productive northeastern Gulf of Mexico (NEGOM). To address this gap in knowledge, we collected images of larvaceans at discrete depths in the upper 300 m of the water column between August 2010 –2014 using the Shadowed Image Particle Profiling and Evaluation Recorder (SIPPER) …

A Contexted Learning Experience: Instructional Strategies For Effective Teaching For Primary And Intermediate Students From Diverse Ses Environments, R. Suzanne Legg

USF Tampa Graduate Theses and Dissertations

The aim of my three-article dissertation was to investigate the methods employed by effective teachers to promote academic progress among all students, regardless of their socioeconomic status. Each article addressed perspectives on effective teaching strategies aimed at closing the opportunity gap from three different contexts. These contexts were 1) a focus group consisting of primary teachers, 2) a focus group consisting of intermediate teachers, and 3) personal reflections from observations of both focus groups pertaining to COVID-19. Recent scores from the Programme for International Student Assessment (OECD, 2023) revealed a growing disparity in academic achievement between students from higher socioeconomic …

Stochastic Predictive Modeling Of Social Media Stocks And Reliability Of Hard Disk Drives, Sameer Anand

USF Tampa Graduate Theses and Dissertations

In recent years, social media has emerged as a highly appealing investment sector due to its substantial returns. Our research focuses on creating a predictive model for the financial performance of social media companies. We gathered data from five companies in the S&P 500: Meta, Etsy, Match, Pinterest, and Alphabet. We developed a non-linear, data-driven stochastic analytical model that employs real data, incorporating six financial indicators and four economic indicators, to forecast the weekly closing prices of these social media companies with an accuracy of 94.7%. Additionally, we ranked the statistically significant indicators and their interactions based on their percentage …

Improving College Students’ Attention Retention With A Brain-Controlled Drone Simulation, Ji Won Bae

USF Tampa Graduate Theses and Dissertations

In contemporary society, individuals are continuously exposed to a plethora of stimuli, which can precipitate distractions and impede cognitive performance in tasks such as professional work and academic studies. This investigation proposes an innovative approach aimed at enhancing attentional focus through the utilization of Brain-Computer Interfaces (BCI). BCIs represent advanced methodologies for deciphering neural activity patterns. Specifically,electroencephalography (EEG), a technique for monitoring the brain's electrical signals, serves as the foundation for BCI applications. EEG analyses reveal distinctive wave patterns indicative of states of concentration, vigilance, and cognitive engagement. Consequently, BCIs hold promise for the real-time assessment of users' attentional states. …

Robotic Multi-Object Grasping From A Pile: Techniques And Algorithms For Enhanced Dexterity, Tianze Chen

USF Tampa Graduate Theses and Dissertations

As robots become increasingly integrated into real-world applications such as warehousing, fulfillment centers, and manufacturing, the need for efficient and adaptable robotic systems grows. One of the key challenges is enabling robots to grasp multiple objects simultaneously, as this significantly boosts the efficiency of tasks like batch picking, sorting, and object transferring, reducing both time and energy consumption. This dissertation presents a comprehensive multi-object grasping (MOG) pipeline that includes pre-grasp selection, end-pose selection, grasping synergy calculation, and a data-driven model for estimating the number of objects being grasped. Central to this work is the development of the Experience Forest structure, …

Performance Optimization And Application Of P-Type Transparent Semiconductors In The Cdte Solar Cells, Md Zahangir Alom

USF Tampa Graduate Theses and Dissertations

CdTe thin-film solar cells are one of the major interests in the solar industry for their favorable properties. For example, CdTe has a near-ideal bandgap (1.45 eV) for absorption of the solar spectrum, and a high absorption coefficient ( ̴ 105 cm-1) and can capture 99% of light with only 2 µm of film thickness. Moreover, CdTe can be doped both n and p-type. Additionally, low production costs contribute to more affordable panel prices (0.40 $/W) [1]. The highest efficiency achieved to-date for this material is 23.1% demonstrated by First Solar, which is still lower than the theoretical limit [2]. …

Developing Robotic Task Planning Methods For Diverse Real-World Challenges, Md Sadman Sakib

USF Tampa Graduate Theses and Dissertations

The deployment of robotic systems across various domains has expanded significantly, with applications ranging from domestic tasks, such as cleaning and cooking, to industrial operations requiring precision and automation. These advancements highlight the critical importance of effective task planning in ensuring that robots can perform tasks safely, efficiently, and autonomously. However, task planning in robotics faces challenges related to generalization, executability, flexibility, and limitations in existing knowledge bases.

This dissertation addresses these challenges through innovative strategies aimed at enhancing robotic task planning and execution. We first focus on adapting to unknown scenarios by utilizing the Functional Object-Oriented Network (FOON) to …