In September 2016, the US Army Corps of Engineers, Bureau of Reclamation, and Bonneville Power Administration initiated an Environmental Impact Statement (EIS) to re-evaluate the long-term strategies for managing the Columbia River System Operations (CRSO). Most notably, these strategies included an option to remove four dams along the Lower Snake...
A product of global climate change, ocean acidification (OA) and other stressors increasingly put pressure on the economic, social, and cultural systems of Western U.S. coastal communities. In the face of increasing OA and local reports that OA is negatively impacting local communities’ socioeconomic structures, there is a clear need...
The State of California uses the Resource Family Approval Program (RFA) to approve resource family homes (foster and adoptive homes). This program is the responsibility of each county to implement and manage. The RFA program was created to be much more family-friendly and provide an approval process that puts the...
In 2005, Beijing acted to court the farmers of Taiwan through a series of unilateral
agricultural tariff reductions. This move was deliberately formulated to weaken the incumbent
Democratic Progressive Party (DPP) by targeting the party's strong rural base. This paper seeks
to investigate the effectiveness of China's use of interest...
Pets are reshaping human lifestyles in countries around the world. More people than ever include pets as part of their family. Organizations including the Society for Companion Animal Studies (SCAS) and the Human Animal Bond Research Institute (HABRI) have conducted and sponsored a wealth of research into human-companion animal interactions...
Few river systems in the world are under equal or more stress than Southeast(SE) Asia’s Mekong River. Several factors threaten the Mekong as the riparian states of China, Lao PDR, Myanmar, Thailand, Cambodia, and Vietnam jockey for position within its geopolitical sphere. Climate change, globalization,industrialization, urbanization, economic growth, and hydro-hegemony...
Reports, both anecdotal and empirical, indicate a rise in anti-Asian sentiments, including hate crimes, since the beginning of the COVID-19 pandemic. The increase of such discrimination and hate may be attributed to negative perceptions of the origins of the COVID-19 virus. During the pandemic, the use of stigmatizing language, such...
Abalone (Haliotis) are an iconic species all over the world. They play a vital role in maintaining a healthy coastal ecosystem and hold an important cultural value for coastal communities in California. Almost all wild abalone in California are threatened in some way. The black and white abalone are listed...
The management of the Northern Rocky Mountains (NRM) gray wolf population is a longstanding controversy that has fueled generations of political and cultural turmoil in the American West. At the end of the 19th century and beginning of the 20th century, wolves were eradicated from the West for the threat...
The use of FDA-approved medications for the treatment of opioid use disorder (OUD) is a critical tool in reducing the impacts of the opioid crisis. Despite the known benefits of these medications, access to these treatments is lacking more than two decades into the opioid crisis. While most policy changes...
This is a chapter regarding the use of project management for technical services work. The specific project is in regards to the movement of physical material due to the demolition of the OSU Libraries & Press off-site storage facility.
Considering the deadly impacts of commercial motor vehicle (CMV) crashes on road safety, many previous studies have put in efforts to find the determinants of CMV crash injury severities. However, studies examining the impact of the different number of lanes on CMV crash
injury severities are lacking. Besides, the importance...
The Oregon State University Extension Service engages the people of Oregon with research based knowledge and education that strengthen communities and economies, sustain natural resources, and promote healthy families and individuals. This document gives a 100-year history of OSU Extension.
The Common Core State Standards for Mathematical Practice (SMPs) describe ways of thinking and doing mathematics that parallels how mathematicians engage with mathematics (National Governors Association for Best Practices, 2010). These standards reflect a broader goal in K-12 mathematics education focused on moving beyond K-12 learners acquiring knowledge of mathematical...
Honeybees are essential for agriculture and to sustain an ecosystem. There are two main types of bacterial diseases that affect honeybee colonies and brood: American Foulbrood and European Foulbrood. Both bacterial diseases can be treated with antibiotics approved for use in honeybees, however American Foulbrood is spore forming and cannot...
Engineering education research has led to a greater understanding of the gap in preparedness of students for the engineering industry. Multiple studies comparing the workplace and academic contexts and the participants in those contexts (i.e., students, faculty, and engineering practitioners) have emphasized similarities and differences between the two contexts by...
In this dissertation I explore the Arms representation and activities for teaching quantum mechanics invented at Oregon State University. In the Arms representation students embody quantum states. The Arms activities are presented as an exemplar of the unique physics classroom culture of the upper-division Paradigms in Physics program. In the...
From 1914-1918 the world experienced humanity’s ultimate affirmation of malice on scales scant seen in the centuries before. The Great War wrought terror on an industrial scale, throwing men headlong unto landscapes rent low by fire and steel. Our collective unconscious image of the war does well to demonstrate this....
Hybrid programs can often be a desirable option for students entering a graduate program in counseling. However, the rigor of such programs, including academic challenges and maintaining personal wellness, could be a barrier to students from marginalized social locations. Additional support through a hybrid orientation might help these students address...
This ethnographic study addresses the concerns of Oregon based Community Health Workers during the COVID-19 pandemic. Through their shared perspectives on the importance of mental health and self-care, CHWs highlight the critical need to learn practical skills in their training in order to better support their communities. Recommendations made by...
Loss of a limb can severely impact everyday way of life. Prosthetics provide a way to return functionality to the user and improve quality of life. However, most prosthetic systems currently available in the market lack sensory feedback making them comparatively more difficult to use resulting in prosthetic abandonment. Therefore,...
Forest collaboration emerged in Oregon about 30 years ago as a way to address increasing conflict and distrust amongst stakeholder groups and public land managers. The concept has spread widely, and forest collaboratives are now commonplace on most National Forests in the Pacific Northwest. These groups include a wide range...
"What’s wrong with this AI?" Explainable AI (XAI) researchers are moving beyond explaining an AI’s actions, to helping users detect an AI’s failures. However this detection may not be enough—for actionability, we often need to pinpoint which part failed. We investigate how AAR/AI, a structured assessment process, supports users with...
Issues of injustice in society (e.g. racism, classism, sexism, ableism) are perpetuated in and through educational opportunities, including mathematics learning (Freire, 1970/2000). Those that are committed to disrupting the interlocking systems that create disparities and oppression in mathematics education are considered to be “pursuing justice.” Pursuit of justice can involve...
In coastal and ocean engineering, understanding the ocean environment and the forces from waves, tsunamis and waterborne debris on structures and floating bodies is an important aspect of designing safe and effective infrastructure. Understanding the impact of these forces on structures becomes an important question in the design process. Answering...
This dataset contains the data generated for a study to evaluate if institutional research data policies in the US support or encourage the FAIR principles (Wilkinson et al 2016). The data include a list of criteria developed for the analysis, and the reasoning behind the inclusion or exclusion of criteria...
This thesis presents novel feedback and feedforward control system design strategies for active to passive vibration mitigation of residual vibrations on high speed machine tools. Residual vibrations on high-speed machine tools are triggered when the machine axes (table) undergo large accelerations, which induce sudden inertial forces and excite the lightly...
Lean construction and construction industrialization have been the focus of the construction industry in recent decades. Lean construction has been shown to reduce waste and uncertainty, and construction industrialization has a positive effect on improving efficiency and safety. Research on lean construction shows that lean construction practices are recognized by...
Self-regulation is the ability to regulate cognitions, emotions and behaviors and is important for success in school and adaptation in children. The amount and quality of sleep a child receives can influence their development and self-regulation. This study examines the relationship between children’s self-regulation in the fall of their kindergarten...
The European green crab (Carcinus maenas) has persisted in Oregon and Washington coastal estuaries since the late 1990s. A strong year class arrived in the Davidson Current during the 1998 El Niño, but numbers decreased and remained below 1 per trap per day until the arrival of the 2015-2016 El...
Laser Powder Bed Fusion (LPBF) is a process commonly used to create additively manufactured metal parts. The flexibility and complexity allowed by the LPBF process provides opportunity for significant advancement in multiple industries as parts can be customized in shape and function for specific needs. These benefits can be compounded...
Luteinizing hormone (LH) stimulates the secretion of gonadal steroid hormones (testosterone in males and estrogen/progesterone in females) and is under negative feedback from gonadal hormones. In gonad-intact dogs, LH is secreted in low amplitude pulses of concentrations under 1 ng/mL; except for the day of the LH surge in females...
Osteochondrosis (OC) is a developmental orthopedic disease that results from a disruption to normal endochondral ossification in the articular-epiphyseal growth complex. In mammals, the hedgehog pathway and growth factor signaling are essential to this process. Previous studies in yearling horses with OC have shown upregulation of Indian hedgehog and insulin-like...
This paper is a literature review and analysis of the housing policy known as Housing First. Under said policy, homeless individuals are housed prior to requisite addiction and mental health services. The literature encompasses multiple randomized controlled trials, as well as broader observational studies on Permanent Supportive Housing. The studies...
There are many existing bridges around the world that were designed without consideration for seismic effects. Many of these bridges were designed before modern earthquake engineering design standards and practices existed and thus are expected to perform poorly during strong ground shaking. Common structural deficiencies are found in their reinforced...
This paper was written for GEOG 323 Climatology in the Spring of 2021, and was awarded the Writing in Culture Award within the College of Earth and Atmospheric Sciences.
This presentation focuses on an Oregon State University Libraries and Press (OSULP) project to propose subject headings for tribes with traditional territories in Oregon. Participants will learn strategies to approach cataloging Indigenous groups and the nuances in this work.
With continuing improvements in performance and capability, GPU processing has gained significant and growing interest across science and industry. With this interest, research has increasingly focused upon methods of processing algorithms with stochastic, non-uniform branching while maintaining low divergence. Central among these methods is thread-data remapping (TDR), whereby data is...
Homosexual men in Nazi Germany experienced legal and social oppression that was rooted in both the cultural homophobia of Twentieth Century Germany and the existential homophobia of high-ranking Nazi officials. However, the Nazi Regime’s enforcement of homonegative policy was not unilateral, often ignoring the actions of members of Nazi-affiliated groups....
American first ladies have long used the media to promote their image. Michelle Obama, the first lady of the @FLOTUS Twitter account, used this government controlled platform to communicate, campaign and bring attention to important White House events. Using Chang Wan Woo et al. rhetorical purpose(s), this study conducts a...
Reinforcement learning has emerged as a popular tool for solving control tasks, with multiple works focusing on the complex and dynamic task of locomotion. However, the naive application of reinforcement learning to this problem often produces maladaptive policies that exploit the model or reward function. This results in behavior that...
Fish sauce is a fermented condiment made primarily from anchovies and is popularly used in Asian countries as it provides unique salty and umami flavor. Its consumption is no longer limited to Southeast Asian countries, but extended to Europe, United States and Canada as a condiment in their food. Fish...
Papers proposing novel machine learning algorithms tend to present the algorithm or technique in question in the best possible light. The standard practice is generally for authors to emphasize their proposed algorithms' performance in the precise setting where it is maximally impressive, often by only fully evaluating their best known...
Within composition studies, rhetorical genre studies (RGS) and labor-based grading (LBG) are engaged in similar projects that consider students not only as individuals but also as always part of a community; as such, both have worked to understand how students learn, how students value themselves and their work, and how...
The virtual reality (VR) experience War Remains created by Dan Carlin claims that it is an immersive memory in attempt to give its audience the “tiniest taste of” what-it-was-like to experience a WWI battle (Carlin, 2020). This claim aligns with the growing belief that VR can be the ultimate empathy...
North American beavers (Castor canadensis) are ecological engineers that improve biodiversity and can improve the health of riparian ecosystems. Beavers are generalist herbivores with some evidence of species preference, utilizing woody material for both food source and dam construction. In the South Slough National Estuarine Research Reserve, Charleston, Oregon, a...
North American beavers (Castor canadensis) are ecological engineers that improve biodiversity and can improve the health of riparian ecosystems. Beavers are generalist herbivores with some evidence of species preference, utilizing woody material for both food source and dam construction. In the South Slough National Estuarine Research Reserve, Charleston, Oregon, a...
It is estimated that for every 1 kg of cheese produced, approximately 9 kg of whey is created. For smaller producers something needs to be done to keep it out of water ways and potentially to valorize it. However, access to efficient secondary whey processing to isolate protein and lactose...
Wildland fire refers to an unpredictable and uncontrollable fire that happens in wildland areas. Regardless of the beneficial impacts of wildland fires on ecosystems, the destructive impacts of wildfires on air quality, economy, public health, etc. are considerable. An essential goal in the fire community is that the wildland fires...
Senate Bill 762, Oregon’s 2021 omnibus wildfire bill, directed Oregon State University to conduct a wildfire risk assessment including mapping socially vulnerable communities to help inform decisions and allocate resources related to state wildfire prevention, response, and recovery. This dataset was curated to identify socially vulnerable communities and largely follows...
Object detection models are being widely used in many applications, such as autonomous driving, construction management, and cancer detection. Evaluating the performance of the object detection model is more complicated than other computer vision models such as image classification models. Most of the images have several objects to be detected,...
Freshwater flux from the Greenland Ice Sheet has the capacity to affect regional and
global circulation as well as contribute to sea level rise. Outlet glaciers are an important part of
this process. They provide pathways for inland glaciers and ice sheets to melt and drain into the
surrounding oceans....
Machine Translation, the task of automatically translating between human languages has been studied for decades. This task is used to be solved by count-based statistical models, e.g. Phrase-based Statistical Machine Translation (PBSMT), which solves the translation problem by separately training a statistical language model and a translation model. Recently, Neural...
After the commercial exploitation of humpback whales (Megaptera Novaeangliae) ceased, population trends in the North Pacific increased with the implementation of federal protective legislation. The recovery of the population prompted the National Oceanic and Atmospheric Administration to divide the population into 14 Distinct Population Segments (DPSs) based on discrete geographic...
Despite climate change requiring the cutback of fossil fuel consumption, the world continues to increase its energy demands each year. To meet the ambitious goals outlined during the Paris Agreement in 2015, which set a goal to limit global warming to 1.5°C [1], changes in energy production methods are necessary....
Understanding residents’ perceptions of and support for tourism is essential for sustainable tourism development and management. Research has shown that perceptions of tourism impacts are related to residents’ support for tourism. It is generally accepted that perceived tourism impacts predict support for tourism, as explained by social exchange theory. However,...
Bioturbation caused by ghost shrimp, Neotrypaea californiensis, burrowing activity can negatively affect Pacific oyster, Crassostrea gigas, aquaculture through their burial and subsequent suffocation. The shellfish aquaculture industry used chemicals to control burrowing shrimp populations in Washington State estuaries for decades, but, due to public and governmental scrutiny, that practice has...
The use of board games for teaching introductory computer science is a promising recent avenue of research. The goal is to introduce computing concepts through their use in the implementations of simple games, thereby keeping students engaged through their learning process. However, there is a gap between students' algorithmic descriptions...
Disproportionate exposure to exploitative working conditions, social marginalization, and a lack of equitable living conditions are among the many issues that migrant Latinx populations face daily in the United States. However, such issues cannot be addressed by relying solely on traditional academic research approaches without the participation and direction of...
Submerged aquatic vegetation (SAV) species, such as seagrasses, are highly valued in estuaries because of the many economic, ecological, and cultural services that they provide, including shelter for fisheries, minimizing water turbidity, and improving am-bient water quality. SAV can also alter its physical environment by attenuating wave and current velocities,...
The COVID-19 pandemic was thought to be especially difficult for older adults, with high risks for social isolation due to the lockdowns necessitated by the pandemic. This study sought to understand the extent to which these community-residing older adults were receiving and providing social support. Further, we sought to disentangle...
This thesis consists of three manuscripts related to the methodology of evaluating charring behavior in cross laminated lumber panel specimens subjected to fire performance tests on cross-laminated lumber panel specimens. The topic of the first manuscript is the measurement of char rates of unprotected CLT layups fabricated with ponderosa pine...
Third-party caregivers – that is, non-parent caregivers who care for children in some capacity – are very valuable in supporting the healthy development and wellbeing of children and families (Bronfenbrenner, 1990). Two populations of third-party caregivers – home-based childcare educators (HBCCs) and foster caregivers (FCs) – both currently face challenges...
The Cone Penetration Test (CPT) has been widely-adopted for rapid, cost-effective exploration of the subsurface and reduction in the effort associated with drilling, sampling, and laboratory testing of soil. The adoption of the CPT has stemmed in part to the correlation of measurements to preliminary soil classification, stress history, drained...
The severity of wildfires around the globe is increasing. At the same time, urban development is expanding outward into areas where severe fires occur. There is an increased risk of home loss to fires in areas where severe fires and urban expansion meet. Ignition of homes or nearby fuel is...
Back pain is the leading cause of disability worldwide, entailing a significant socioeconomic impact. A primary source of back pain can be attributed to intervertebral disc (IVD) degeneration allowing nerve ingrowth, facet joint arthritis, disc bulging, and osteophyte formations that press on nearby nerve roots or the spinal cord. While...
Climate change remains controversial and misunderstood, despite the consensus among climate scientists that recent climate change is anthropogenic. Many American adults do not agree with or do not understand this scientific consensus, suggesting a disconnect in science communication or a distrust in science. This disconnect may begin in formal education...
My dissertation title is, “Applied economic strategies to evaluate policies and environmental outcomes: case studies from immigration and ecosystem services.” The first two chapters of this dissertation concern the relationship between local immigration policies and societal welfare. The third chapter examines the impact of human activity on the environment and...
Includes Partial Least Squares Regression and Univariate Linear model RStudio code and results in PDF form for each of the three specimen populations scanned by two different light sources. Also included is a generalized PDF document and RMarkdown document for predicting percent wood failure.
The human intervertebral disc (IVD) provides support for the vertebral bodies, allowing for movement and load bearing. The IVD can degenerate with age or injury, impeding function and causing chronic pain. Despite disc degeneration affecting over 90% of adults over age 50, and back pain being the leading global cause...
Structural engineered wood manufacturers need a quantitative measurement technique to determine the ratio of wood to adhesive failure in their shear specimens. Visual estimation of percent wood failure has long stood as an extremely subjective quality control approach according to ASTM D5266 – Standard Practice for Estimating the Percentage of...
Coral reefs form vast ecosystems in tropical oceans that are hotspots for biodiversity and are economically valuable. The ecological success of coral reefs is made possible by the symbiotic relationship between corals and dinoflagellate algae from the family Symbiodiniaceae. In this symbiosis, the algae are found within host gastrodermal cells...
The global demand for food is expected to double by 2050, presenting a need that is complicated by the many interrelated of pressures on the world’s natural resources from climate change, growing urban populations, and increasing development. As one of the fastest growing food production sectors, aquaculture is poised to...
In the Pacific Northwest (PNW), the two most common root-knot nematodes are Meloidogyne hapla and Meloidogyne chitwoodi. These nematodes can infect a wide variety of crops and can cause significant losses. Currently, it is common for the field of nematology to use labor-intensive microscopy to identify plant-parasitic nematodes based on...
The surgical standard of care to partially restore grasping function after a traumatic spinal cord injury is a reconstructive tendon transfer-surgery that connects all four finger flexors to an expendable wrist extensor. While restorative, this surgery has a fundamental problem; the movement of all four fingers flexors is directly coupled,...
Metallic nuclear fuels have long been studied for use in advanced nuclear reactors, with efforts invested in improving the viability of metallic nuclear fuel elements and overall safety of advanced reactor design concepts. During reactor operations, fuel forms undergo restructuring due to a variety of physical phenomena. Expansion of the...
My work has focused on using density functional theory to elucidate mechanisms of organocatalytic and transition metal catalyzed reactions by considering competing mechanisms. In each of the three presented studies computational investigation complemented experimental work by predicting stereoselectivity or revealing origins of stereo, regio, or chemoselectivity.
A study on the...
These datasets were used in the prospective meta-analysis of northern spotted owl reproductive rates over 25 years across 11 study areas located throughout the range of the owl. A multi-state occupancy file was created by collapsing site-specific information on owl reproductive status into bimonthly (2 per month) survey occasions. These...
Throughout their lifetime individuals are exposed to complex mixtures of chemicals. The study of chemical mixtures is an internationally recognized research priority, but seemingly complex challenge. To reduce the intricacy of studying mixtures, researchers have identified different prioritization methods based on exposure or the toxicity of chemicals. However, understanding the...
1,4-Dioxane (dioxane) and cis-dichloroethylene (cDCE) are compounds commonly found in industrial cleaning and degreasing agents that are frequently present as groundwater contaminants. In an effort to develop a more effective treatment method for these compounds, hydrogel beads were fabricated with either gellan gum or a combination of polyvinyl alcohol (PVA)...
Urban stormwater runoff with a high impervious area can significantly impact pollution concentrations of receiving water bodies. The use of low impact development (LID), which mimics the hydrological properties of the site before development, has been studied in an increasing number of studies, and the available database has shown to...
A chair, once placed, will stay put until moved. Or will it? With the rise of technology being embeddable into everyday objects, what if that chair could move itself? Such robotic furniture has been featured in advertisements, art, and Human-Robot Interaction (HRI) research. Existing methods for operating robotic furniture have...
Riparian zone conservation is vital as species’ ability to adapt to a changing climate and pressure from land use is constantly tested. The unique microclimates of riparian zones offer cooler temperatures and resourceful habitats for aquatic and terrestrial organisms. This is essential during seasonal ceased flow regimes when water availability...
Forests are highly valuable resources providing both timber as well as many non-use values like habitat for various endangered and threatened species, carbon sequestration, and recreation, to name a few. Given that there are 765 million acres of forestland in the United States, almost 60% of which are privately owned,...
In this dissertation I will demonstrate a novel application of self-exciting point process models to mass shooting data. I will also introduce two adaptations to the traditional nonparametric Hawkes process modeling framework. One such modification allows for the estimation of the additional productivity introduced by an event that is not...
With the unique conceptual and mathematical backgrounds of every introductory physics student, there is no way to design a rigid curriculum that anticipates and meets every student’s needs. We can employ machine learning to explore the correlations that exist in the voluminous data from educational settings. That is, institutional, gradebook,...
The sustainable use of natural resources, including the goods and services provided by pasturelands and rangelands, is of growing importance due to climatic uncertainty and population growth. Maintaining high productivity in livestock operations is necessary as land availability diminishes and global populations rise. The potential negative impacts to the environment...
Due to increasing populations, food production must increase significantly to be sustainable. The Internet of Things has been shown to have potential in the field of agriculture to make farming practices more efficient. However, for IoT to be properly integrated into agriculture, sensors must be applied within the field and...
The ongoing “method war” in literary criticism that has manifested as the impasse between Critique and Postcritique, which are identified respectively with paranoid and reparative modes of reading, raises existential questions about criticism in the face of its declining social value under neoliberalism. This thesis enters that impasse to suggest...
High temperature gas reactors (HTGR’s) have been researched and operated commercially since the inception of the nuclear industry. Newer designs, such as the General Atomics (GA) Modular HTGR, aim to lower capital costs by shifting towards smaller, more modular designs, although further cost reductions with respect to operations and maintenance...
Tracr is a modern browser-based user interface, designed to be used with languages that can generate customized explanations from execution traces. While Tracr is primarily designed for use with the Xtra language, Tracr defines a generalized interface that would allow it to be used with other languages as well. Explanations...
A fully-saturated poroelastic medium is confined by the sides of a cylinder, and the regions below and above the medium are filled with fluid at respective constant pressures. The filtration flow of fluid through the poroelastic medium and the small deformations of the medium are described by a quasi-static Biot...
Recognized as a site of risk, innovation, and inspiration, failure is a growing area of multidisciplinary inquiry. My thesis draws attention specifically to the way composition studies approaches failure in order to ask: how can we implement failure pedagogies safely, and how do rhetorics of failure move toward social justice...
This arts-based autoethnography explores the experience of a graduate student of mathematics at a mid-sized research university through a collection of collage, songwriting, and personal essays. This research identifies issues in the mathematics academic pipeline associated with gender, burnout culture, perfectionism, mental health, qualifying exams, and isolation. The present research...
Fiber reinforced polymers have gained considerable attention due to their wide range of applications, leading to significative concerns for end-of-life recyclability and disposal. Natural fibers and recycled carbon fibers, coupled with thermoplastic matrices can provide a sustainable and environmentally friendly alternative to traditional materials.
This study focused on experimental materials...
This study compares three approaches in the design of an autonomous machine listening agent that predicts harbor porpoise ultrasonic echolocation clicks in diverse noise environments. Considering the temporal variations of noisy coastal ocean soundscapes which the harbor porpoises inhabit, we propose a leave-one-day-out (LODO) cross-validation strategy in the training of...
