Digital Commons Network^™

The Impact Of Climate Change On Selected Pnw Watersheds Through The Lens Of Western Red Cedar Habitat, Jordan T. Hamann

Dissertations and Theses

Climate change is a real phenomenon that is exacerbating existing natural processes and developing into a new normal for the planet. This change may be devastating for Pacific Northwest populations of Western Red Cedar (WRC) west of the Cascade Mountain range in the states of Oregon and Washington. WRC is a valuable tree species for reasons both economic and cultural. Dieback among WRC is following an accelerating trend. Since dieback is usually followed by tree mortality, understanding its causes and distribution is beneficial to the overall success of the species going into the future.

Through the use of ESRI's ArcGIS …

Communion Anthropoid, Joshua Stanek

Dissertations and Theses

In National Lampoon's Vegas Vacation, a man of good will offers all he has to a dear brother-in-law--recognizing the snakes he keeps as toys, the camper, the stones, dirt, and arid shrubbery are likewise dear to him. They go out to the desert at night and dig shallow holes, seemingly at random. Their imprecision is surprisingly fruitful. Imagine the constellation they made for the stars. In Communion Anthropoid, I am digging shallow holes in the dark with a mind to unearth what I believe I have lost. The dearness, I suppose. These poems vary in form from eight …

Confronting Web3 Technology: Opportunities, Challenges And Community Formation, Christopher-John Rogers

Dissertations and Theses

The emergence of blockchain technology created an entire industry of innovative new digital assets--or tokens--and diverse new fields of expertise founded on ideological aspirations of a new World Wide Web that reimagines digital value transfer through decentralization and disintermediation. Experimentation in the so-called "Web3" industry produces rich new fields of ethnographic study revealing the experiences of diverse individuals navigating novel technological capabilities which give way to new avenues of identity formation, community building, and ecosystem creation. These exciting new endeavors come with difficult challenges threatening the realization of ambitious visions for digital futures. Ethnographic research conducted through discourse analysis, participant …

Collaborative Action In Informal Social Networks Of Wildfire Managers In Northwestern Wyoming, Hannah Lynn Spencer

Dissertations and Theses

Wildfire is a cross-boundary, collective action issue. Previous research has demonstrated the importance of collaborative relationships in wildfire for purposes such as increasing capacity, trading information, and facilitating landscape-scale mitigation projects. However, a stakeholder's location in social networks, as well as personal factors, may impact their collaboration. Furthermore, stakeholders must prioritize their own organizational goals and responsibilities, which may differ from those of their collaborators. I used interview and survey methods to investigate these questions in the context of wildfire management professionals in northwestern Wyoming. For the interviews, I selected 12 individuals with high betweenness centrality who were involved in …

Developing Public Service Leadership: Understanding The Field Immersion/Comparative Cases Model For Mid-Career Professional Education In Environment And Natural Resources Leadership, Erin M. Steinkruger

Dissertations and Theses

Public administrators in the United States face increasingly complex challenges and are called to leadership by position and in practice. In a hyper-pluralistic society, individuals must lead from where they sit, arbitrating value differences in day-to-day functions and taking on adversity and uncertainty in pursuit of the public good. These individuals are served by a variety of leadership training programs both internal and external to their organizations. This study characterizes the field immersion/comparative cases (FICC) model for public service leadership development and uses a grounded theory approach to build understanding about how individuals learn about leadership; what learning outcomes emerge …

Radical Urban Natures: Mitigating Urban Heat With Nature-Based Techniques In Portland, Oregon, Heather Day-Melgar

Dissertations and Theses

Anthropogenic rising heat associated with climatic changes in the built environment has become a serious global issue. The built environment is often comprised of impermeable, paved surfaces, lack of vegetation to make way for development, tree removal, and loss or alteration of urban waterways, which leads to a degraded ecosystem for humans and non-human life, and less of an ability for carbon capture, all of which contribute to higher urban temperatures. This alteration of the existing natural environment leads to populations often unable to conceptualize that a built environment is still an ecosystem, and restoration is possible and necessary for …

A Student Bill Of Rights, Balkhiis Noor, Olivia Monestime, Julia Hines, David Peterson Del Mar

Amplify: A Journal of Writing-as-Activism

This Student Bill of Rights was created by two sections of Immigration, Migration, and Belonging, a year-long Freshman Inquiry class largely composed of students from under-represented backgrounds.

"Where Is Your Accent From?": The Voice Of My Identity, Robert Northman

Amplify: A Journal of Writing-as-Activism

This essay probes the role of language in how it contributes to the construct of one's identity. The author discusses lived experiences centered on the the perceptions of accented English that is actually African American Vernacular English. The essay explores how these experiences were formed and how they developed over the course of the author's lifetime. The author also discusses ways in which language has caused both comfort and conflict, and provides a glimpse into a unique perspective that can contribute to a greater understanding of the power and importance of language.

People And Power: Person-First Language Usage And The Criminal Justice System, Casey E. Orr

Amplify: A Journal of Writing-as-Activism

Language is power. Word choice and terminology, especially those referring to people, are expressions of societal norms and institutional power. Dehumanizing crime-first terms and labels are abundant and common in criminal justice contexts despite being protested by system-involved individuals and activists. Instead, many advocate for person-first terms wherein identifying language emphasizes an individual’s humanity. With a peace-focused anthropological framework, this paper presents the case for person-first language in criminal justice contexts. It is evident that adopting first-person language usage regarding the criminal justice system is necessary after analyzing and considering the multiple sources, such as the voices of those who …

A Message From The Editors, Rhiannon M. Cates, Vicki L. Reitenauer

Amplify: A Journal of Writing-as-Activism

An introduction from the founding co-editors to the second issue of Amplify: A Journal of Writing-as-Activism: Volume 2, Issue 1: So to Speak.

Participatory Mapping Of Tree Equity, Preferences, And Environmental Justice In Portland, Or, Katharine Vezin Gregory

Dissertations and Theses

Studies have shown that marginalized communities do not have the same access as more privileged groups to urban tree canopy cover due to historic and current processes of discrimination and disinvestment. This study explores the lived experiences, narratives, and values related to trees and greenspaces for residents of Portland, OR, through participatory mapping focus groups. It uses an environmental justice and urban political ecology framework to examine how values, lived experiences, and narratives compare for Portland residents across neighborhoods, socio-economic status, and racial or ethnic identity and how the changes that matter to residents can inform more just urban greening …

Systematic Characterization Of Power Side Channel Attacks For Residual And Added Vulnerabilities, Aurelien Tchoupou Mozipo

Dissertations and Theses

Power Side Channel Attacks have continued to be a major threat to cryptographic devices. Hence, it will be useful for designers of cryptographic systems to systematically identify which type of power Side Channel Attacks their designs remain vulnerable to after implementation. It’s also useful to determine which additional vulnerabilities they have exposed their devices to, after the implementation of a countermeasure or a feature. The goal of this research is to develop a characterization of power side channel attacks on different encryption algorithms' implementations to create metrics and methods to evaluate their residual vulnerabilities and added vulnerabilities. This research studies …

In Their Words: Prospective Teachers' Experiences As A Context For Investigating Their Views Of Authority In A Mathematics Classroom, Brenda Lynn Rosencrans

Dissertations and Theses

Mathematics teacher educators enact inquiry-based preparatory courses with the underlying expectation that their students (prospective teachers) will take ownership (authority) of their mathematical learning through sharing their ideas and collaboratively discussing the reasonableness of their shared ideas. Yet, prospective teachers' expectations are often not yet in alignment with those of mathematics teacher educators, instead they enter these courses expecting their instructors to provide clear examples and directions for how to solve mathematics problems. This project investigates this dynamic through an authority lens, seeking to understand and characterize different views of authority prospective teachers hold and the impact these views have …

Load Effects Of Truck Platooning On Existing Bridges In Oregon, Patricia Oleson

Civil and Environmental Engineering Master's Project Reports

Truck Platooning (TP) involves managing multiple trucks closely together to reduce aerodynamic drag. While TP offers benefits such as fuel savings, emission reductions, and enhanced safety, it raises concerns for existing infrastructure. This study reviews literature on TP and conducts bridge analyses comparing representative truck platoon configurations allowed under Oregon law with current truck loadings. It also explores the effects of truck head spacing and bridge span lengths, utilizing the research results to calculate rating factors using real-world case studies. The objective is to identify truck platoon configurations that may exceed acceptable load levels for Oregon bridges. The findings will …

At The Heart Of Our Communities: Parent/Caregiver & Youth Leadership, Deschutes County System Of Care, Callie H. Lambarth

Center for Improvement of Child and Family Services Publications

In lieu of an abstract, here are the vision and goals of the Deschutes County System of Care:

Vision
The vision of System of Care is to create an array of services and supports for children, youth and young adults in Deschutes County that are youth- and family-driven, community-based, and culturally and linguistically responsive.

Goals

1. Collaboration between services, families, and youth to improve the system of supports that serve children, youth and young adults with complex and significant mental health needs.
2. Leadership that includes youth and parents/caregivers impacted by the System of Care to advise on service processes, identify system …

What Explains Spatial Cariations Of Covid-19 Vaccine Hesitancy?: A Social-Ecological-Technological Systems Approach, Arun Pallathadka, Heejun Chang, Daikwon Han

Geography Faculty Publications and Presentations

While COVID-19 vaccines have been available since December 2020 and efforts have been made to vaccinate the maximum population, a large number of people are continuing to be hesitant, prolonging the pandemic in the US. While most previous studies investigated social, economic, and demographic variables that are associated with COVID-19 vaccine hesitancy, we added ecological and technological variables to better understand the spatial variations of vaccine rates in the contiguous United States using spatial regression and geographically weighted regression (GWR) models. We aim to identify spatially varying social, ecological, and technological factors that are associated with COVID-19 vaccination rates, which …

Psu Student Housing Insecurity Interim Report, Jacen Greene, Homelessness Research & Action Collaborative, Portland State University

Homelessness Research & Action Collaborative Publications and Presentations

EXECUTIVE SUMMARY

Project Background

This study on student housing insecurity and homelessness was funded as part of a HUD FY2023 Community Project Funding Opportunity awarded to Portland State University. Phase 1 of the study, which led to this report by PSU’s Homelessness Research & Action Collaborative (HRAC), includes a literature review; a summary of PSU student survey results; a description of PSU programs based on interviews with staff and administrators; an analysis of programs at other institutions; and a set of recommendations for better addressing student housing needs. Phase 2 of the study will include the results of a comprehensive …

Book Review Of, K-Pop Dance: Fandoming Yourself On Social Media, Jungmin Kwon

School of Film Faculty Publications and Presentations

Book Review:

Chuyun Oh, K-pop Dance: Fandoming Yourself on Social Media, New York, NY: Routledge, 2022, 194 pp., $52.95 (paperback).

Assessing Visitor Preferences And Willingness To Pay For Marine National Park Hikkaduwa: Application Of Choice Experiment Method, Chamathi Jayaratne, U.A. D.P. Gunawardena, J. C. Edirisinghe, Sahan Dissanayake, D. Rajapaksa

Economics Faculty Publications and Presentations

Eco-tourism all over the world is threatened by the fact that the coral reefs and associated ecosystems are in a process of disappearing at an accelerated rate due to several natural and anthropogenic causes. In this context, the Marine National Park Hikkaduwa (MNPH), one of the four marine national parks in Sri Lanka, that features a fringing coral reef with a high degree of biodiversity, reports a decreasing trend in visitation mainly due to a condition of coral bleaching caused by an El Nino effect. Unfortunately, the regeneration of the corals is found to be slowed by continuous anthropogenic activities. …

Conducting Oral History: Background And Methods, Katrine Barber

History Faculty Publications and Presentations

This chapter-length essay describes the practice of oral history through real world examples: the steps to conducting oral history interviews, things to consider when developing a project or an interview plan, and ethical considerations. How oral history has enlarged the historical record and changed scholarly interpretation of the past are highlighted.

Distributed Deep Learning Optimization Of Heat Equation Inverse Problem Solvers, Zhuowei Wang, Le Yang, Haoran Lin, Genping Zhao, Zixuan Liu, Xiaoyu Song

Electrical and Computer Engineering Faculty Publications and Presentations

The inversion problem of partial differential equation plays a crucial role in cyber-physical systems applications. This paper presents a novel deep learning optimization approach to constructing a solver of heat equation inversion. To improve the computational efficiency in large-scale industrial applications, data and model parallelisms are incorporated on a platform of multiple GPUs. The advanced Ring-AllReduce architecture is harnessed to achieve an acceleration ratio of 3.46. Then a new multi-GPUs distributed optimization method GradReduce is proposed based on Ring-AllReduce architecture. This method optimizes the original data communication mechanism based on mechanical time and frequency by introducing the gradient transmission scheme …

Effects Of Heterozygous Deletion Of Autism-Related Gene Cullin-3 In Mice, Qiang-Qiang Xia, Angela K. Walker, Chenghu Song, Jing Wang, James A. Mobley, Jeffrey Singer, Anju Singh, Craig M. Powell

Biology Faculty Publications and Presentations

Autism Spectrum Disorder (ASD) is a developmental disorder in which children display repetitive behavior, restricted range of interests, and atypical social interaction and communication. CUL3, coding for a Cullin family scaffold protein mediating assembly of ubiquitin ligase complexes through BTB domain substrate-recruiting adaptors, has been identified as a high-risk gene for autism. Although complete knockout of Cul3 results in embryonic lethality, Cul3 heterozygous mice have reduced CUL3 protein, demonstrate comparable body weight, and display minimal behavioral differences including decreased spatial object recognition memory. In measures of reciprocal social interaction, Cul3 heterozygous mice behaved similarly to their wild-type littermates. In …

Modeling Cyanotoxin Production, Fate, And Transport In Surface Water Bodies Using Ce-Qual-W2, Bernadel Rose Hintz Garstecki, Scott A. Wells

Civil and Environmental Engineering Faculty Publications and Presentations

Cyanobacteria are frequently associated with forming toxic blooms. The toxins produced by cyanobacteria, cyanotoxins, are harmful to both humans and animals. Rising temperatures due to global climate change are expected to increase the occurrence of cyanobacteria, and it is vital that we protect our drinking water supplies and natural water resources. Modeling the production, fate, and transport of these toxins is an important step in limiting exposure to them and evaluating management strategies to mitigate their impact. The research provided here offers an overview of some of the main cyanotoxins of concern and presents preliminary models for the transport and …

Policy Implementation In Crisis: Lessons From The Philippines, Steven T. Zech, Joshua Eastin, Matteo Bonotti

Political Science Faculty Publications and Presentations

Like many countries, the Philippines faced severe economic, social, and political challenges during the COVID-19 pandemic. In March 2020 President Duterte issued an executive order announcing a national state of emergency that introduced a highly restrictive system for community quarantine and lockdown. While these measures led international observers to rank the Philippinesʼ pandemic response among the worldʼs most stringent, it is unclear whether subsequent health outcomes were sufficient to justify the severity. In this article, we evaluate discrepancies between COVID-19 policy goals and outcomes in the Philippines via a compelling but under-utilized method of democratic deliberation, the ‘mini-public’. The mini-public …

Re-Imagining Mandatory Reporting: Professionalization's Complicity, Sam Harrell, Stephanie Wahab

School of Social Work Faculty Publications and Presentations

Mandatory reporting of child abuse is a part of the civil legal system that can activate a policy cascade disproportionately criminalizing racialized and marginalized communities. While social work scholarship has explored ways to increase provider compliance with mandatory reporting laws, there is a dearth of research focused on how social work education guides future providers towards the praxis of mandatory reporting discourses. This article presents findings from a content analysis of social work textbook excerpts focused on mandatory reporting of child abuse in the U.S. We found that textbooks affirm social work’s loyalty to the State by approaching mandatory reporting …

Migration Integration Policies As Social Determinants Of Health For Highly Educated Immigrants In The United States, Mitra Naseh, Yingying Zeng, Ian Sutherland, Abha Rai, Hyunwoo Yoon

School of Social Work Faculty Publications and Presentations

Highly educated immigrants are part of the growing population of immigrants who are impacted by the increasingly hostile migration policies in the U.S. This qualitative study used a phenomenological approach and inductive reasoning to explore the possible impacts of migration integration policies as social determinants of health among this group. Data was collected through 31 semi-structured interviewees with highly educated immigrants who had an intention and interest to stay in the U.S. at the time of the interview. Data were analyzed using reflexive thematic analysis and four main themes emerged: (1) a life overshadowed by silent worries, (2) living through …

Current Vehicle Fleet Inventory And Future Implementation Of A Centralized Electric Fleet At Portland State University, Dane Kovaleski

Environmental Science and Management Professional Master's Project Reports

As the effects of climate change continue to impact the world, many institutions have developed climate action goals to reduce their effects on the environment. Portland State University (PSU) has committed to an 80% reduction of greenhouse gas emissions by 2030 and carbon neutrality by 2040. A part of this commitment must include looking at the contributions of transportation on campus to reduce carbon emissions. According to a greenhouse gas emissions report done by the Campus Planning and Sustainability Office in 2016, transportation contributed to 12% of total greenhouse gas emissions on campus.

This project aims to evaluate the management …

An Industry-Standard Profit And Loss Statement For Book Publishing Professionals In The United States, Jackie Krantz

Book Publishing Final Research Papers

Title profit and loss statements (P&Ls) in book publishing are valuable predictive tools for newly acquired titles. They inform the press on how money will be moving through the press in relation to the book’s production, revealing the book’s estimated value and level of profit. However, there is no industry-standard template. This lack of a template makes it difficult for new industry professionals to learn about P&Ls; prevents knowledge of one press’s P&L from being transferrable throughout the industry; and causes smaller presses to potentially neglect this useful tool due to the steep learning curve. The solution is to create …

“For The Right To Live”: Radical Activity In Portland’S Parks During The Great Depression, Eliana Bane

Anthós

During the Great Depression, Portland's working class joined in the national surge of radicalism to fight for economic relief and social justice. One of organized labor’s most effective strategies was to stage mass demonstrations in highly visible public spaces, such as Plaza Park adjacent City Hall in downtown. Rallying in city parks represented workers’ determination to exercise their free speech in spite of Red Scare suppression of leftist radicals. This essay explores the role of public parks in the history of the labor movement in Portland during the Depression, primarily focusing on Plaza Park since it was a hub for …

Transforming The Culture Of Biology Teaching With Erin Shortlidge, Erin E. Shortlidge

PDXPLORES Podcast

In this episode of PDXPLORES, Associate Professor of Biology and Biology Education, Erin Shortlidge, discusses her NSF-funded research project, Evolving the Culture of Biology-Promoting Graduate Teaching Assistant Professional Development to Foster Inclusion, Efficacy, and Evidence-based Practices. Shortlidge and her team seek to transform the culture of biology education through a series of workshops for administrators, faculty, and staff who develop training programs for graduate teaching assistants. The ultimate aim is to improve the undergraduate STEM experience through intentional training of future STEM faculty.

Click on the "Download" button to access the audio transcript.