Digital Commons Network^™

Three-Dimensional Structural Analysis Of Temple 16 And Rosalila At Copan Ruinas, Luis Tuarez

Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research

Temple 16 is an ancient Maya structure located at the heart of the Copán Ruinas Acropolis in Western Honduras. Temple 16 contains several earlier structures within it that were built on top of each other throughout Copán’s history. One of these earlier structures, Rosalila, is one of the most culturally significant structures within the Acropolis due to its preservation. An intricate series of archeological tunnels have been excavated throughout Temple 16 to allow for its study. However, significant cracking has been observed within Rosalila and several tunnels have experienced partial collapse. This not only poses a life safety issue for …

"Don't Put Restrictions On Us": The Dangers Of Conservative And Populist Appeals For Abortion Access In Post-Roe America, Kayla Schmitz

Department of Communication Studies: Dissertations, Theses, and Student Research

This thesis critically analyzes Kansans for Constitutional Freedom’s campaign ads for their campaign against the Value Them Both Amendment in Kansas in 2022. Value Them Both would have stripped the Kansas constitution of its protection of personal autonomy and therefore abortion rights. Kansans for Constitutional Freedom used populist and otherwise conservative appeals in their ads to reach audiences across the political “spectrum” to gain their votes against Value Them Both. While the campaign was widely successful, there are many things it did not do for the broader concern of reproductive healthcare access in the United States, particularly for those living …

From Space Race To Disgrace: A Summary Of The Russian Federation’S National Space Legislation And Its Recent Decline In The Global Space Sector (White Paper), John Lukowski

Nebraska Law Bulletin (Selected Issues)

This paper seeks to summarize the national legislation governing the Russian Federation’s activities in space while providing additional insight into how this body of law has affected the Russian Federation and its space endeavors throughout its complicated history. The first section provides a history lesson of space endeavors under the former Soviet Union and how its collapse helped shape the space sector in today’s Russian Federation. The second section summarizes the Russian Federation’s main body of legislation governing space activity enacted in 1993. The third section provides updates regarding additional legislation passed since 1993 as space activities have advanced over …

Designing The American Dreamscape: Suburbs Of Worship And The American Dream, Rebecca Virgl

Masters in Architecture Program: Theses

This thesis explores suburbia as the physical manifestation of the American Dream as a pseudo-religious system. This religious system and contemporary suburban ideology are explained and disseminated through a historical review and analysis of suburban media. Pop culture serves as a signpost that directs public opinion and cultural value; much of media today wrestles with the ideas of the American Dream, fore fronting these cultural values in our collective identity. Once the baseline of socio-economic religious ideology has been established in the American Dream, the extremes of these beliefs were explored in three suburban environments: home, labor, and retail. Each …

Feasibility Study: Application Of Steel Sheet-Piles For The Abutment Of Water-Crossing Bridges In Nebraska, Seunghee Kim, Jongwan Eun, Chung R. Song, Chungwook Sim, Hung Phi Van, Basil Abualshar, Ramin Ziaei Tabari

Nebraska Department of Transportation: Research Reports

The overall goal of this study is to investigate the anticipated performance of steel sheet-pile bridge abutments to encourage its wider application to not only new construction but also repair and replacement of existing water-crossing bridges in Nebraska. For this purpose, this study first reviewed several bridge cases with axially loaded sheet pile abutments, as well as previous in-depth studies related to the bearing capacity of sheet piles. Then, this study conducted the large-scale direct shear tests to better understand the interaction between sheet pile and soil. As a result, about four-fifths of the internal friction angle of fill sand …

Nebraska’S Medico-Legal System: A Death Investigation Analysis, Ashley Novak

Honors Program: Senior Projects (Public)

A large part of the founding of the United States of America focused on the idea of state control over their internal affairs. For this reason, the United States is home to a largely decentralized medico-legal system. The State of Nebraska hosts a coroner-based death investigation system as is written into their legislation regarding the establishment of their medico-legal system. By studying legislation, federal and state reports, as well as publications by academics within the field, merits and weaknesses of the Nebraskan coroner system can be uncovered. Additional considerations and understandings that are needed to be understood include: understanding what …

Nebline, May 2023

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

The 4-H Thriving Model Provides a Guide for Helping Youth Grow to Their Full Potential by Tracy Anderson

Beef: A Healthy and Delicious Choice for Your Next Meal by Kayla Colgrove

Recipe of the Month: Skillet Lasagna by Kayla Colgrove

Managing Chlorosis in Trees by Sarah Browning

Garden Guide: Things to Do This Month

May is the Perfect Time to Learn More About Your Drinking Water! by Becky Schuerman

Cash Rent Survey

Challenging Behavior Corner: Providing Choices by Hayley Jackson

Pollinator Spotlight: The Yucca Moth by Kait Chapman

At Ag Literacy Festival, 4th Graders Learn How Agriculture Impacts Their Daily …

Magic Mirrors, Jamie Ho

School of Art, Art History, and Design: Theses and Student Creative Work

When a beam of bright light hits the convex and polished surface, an image is reflected back onto the wall. This is a description of a magic mirror, an object from the Han Dynasty (206 BC -24 AD), that embodies how Euro-America views China: both technically advanced and shrouded in mystery. The magic mirror also points to the history of photography, as this term was often used in the Victorian era to describe a camera. The image created by a camera is a mimic of reality, both all too familiar and unfamiliar.^[1] Like magic mirrors, the GIFs I create …

State Of Utah Et Al. V Walsh Et Al., Ethan Halman Gonzalez

Department of Environmental Studies: Undergraduate Student Theses

To expand upon that, the State of Utah et al. wants to show the Department of Labor’s “Prudence and Loyalty in Selecting Plan Investments and Exercising Shareholder Rights” Rule proposed in December 2022, is arbitrary and capricious under the Administrative Procedure Act (APA) and Employment Retirement Income Security Act of 1974 (ERISA). The suit argues that the Department of Labor (DOL) oversteps the APA—as under the APA, the Court “shall… hold unlawful and set aside agency action, findings, and conclusions” that are “in excess of statutory jurisdiction, authority, or limitations,” or “arbitrary capricious, an abuse of discretion, or otherwise not …

Sustainable Revitalization Of Asphalt Pavements: An In-Depth Analysis Of Enhancing The Performance Of Asphalt Binder Through The Application Of Rheological And Molecular Dynamics Simulation Techniques, Muhammad Ahmad

Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research

Vegetable-based oils such as corn and soybean oil have triglycerides and fatty acids that allow them to be considered sustainable and effective recycling agents (RAs) for aged asphalt binder. However, there are concerns about their effect on the recycled asphalt binder's long-term performance, moisture damage resistance, and self-healing characteristics restoration. In this study, crude corn oil (CO) and crude soybean oil (SO) were used as RAs to restore the performance of a reclaimed asphalt binder (RAB) extracted from reclaimed asphalt pavement. The binder extracted from RAB was modified with a neat binder PG64-28 and RAs to restore the high-end performance …

Gene Expression Changes Linked To Phenylpropanoid-Based Resistance To Fusarium Head Blight Of Wheat, Shiv Singla

Department of Plant Pathology: Dissertations, Theses, and Student Research

Fusarium graminearum is a devastating pathogen of wheat that causes Fusarium head blight (FHB) and contaminates the grain with the mycotoxin deoxynivalenol (DON). Resistance to FHB is quantitative and it is important to identify additional genes conferring resistance against it. The goal of this thesis was to examine if the constitutive expression of two sorghum phenylpropanoid pathway genes, SbCCoAOMT (encoding caffeoyl-CoA O-methyltransferase) and SbC3’H (encoding p-coumarate 3-hydroxylase), in the moderately-susceptible spring wheat CB037 can provide Type-I and Type-II resistance to F. graminearum and determine the underlying mechanisms of the enhanced resistance. The constitutive expression lines (CCoAOMT413, CCoAOMT421, C3H112, …

The Last Drought Frontier: Building A Drought Index For The State Of Alaska, Olivia Campbell

School of Natural Resources: Dissertations, Theses, and Student Research

Drought is characterized by periods of below average precipitation. There are five major types of drought recognized in the literature: meteorological, hydrological, agricultural, socioeconomic, and ecological. A relatively new concept in the drought literature is “snow drought.” A key part of the definition of drought is that it is not always accompanied by extreme heat. This means drought can occur even in cold climates, cold seasons, and higher latitudes and altitudes, like Alaska. Drought is a natural part of climate variability, but Alaska’s climate is changing faster than any other state in the United States. Alaska is no stranger to …

Importance Of Pelvic Floor Education And Rehabilitation Techniques For Adolescents And Young Adults: A Review, Katherine Laura Schmidt

Honors Program: Senior Projects (Public)

The pelvic floor is the collection of many muscles forming what is often called the pelvic girdle. Understanding the different muscles and their roles is an important part of pelvic floor education. Although both males and females have pelvic floors, there is a lack of knowledge of basic anatomy seen in adolescents and young adults. This review analyzes the importance of providing more education for students about the pelvic floor, gives examples of common pelvic disorders for young adults, and provides details on the physical therapy rehabilitation techniques offered today to treat these conditions.

Extranodal Tumors And Chromosomal Abnormalities Associated With Non-Hodgkin Lymphoma In T(14;18)-Positive Patients, Alexis Finch

Honors Program: Senior Projects (Public)

Nebraska is mostly an agricultural state with a non-Hodgkin lymphoma (NHL) incidence rate of 20.1 per 100,000 individuals, which is greater than the US incidence rate of 19 per 100,000 individuals. It is possible that the higher incidence rate in Nebraska is due to an increase in pesticide usage. Pesticide exposure is linked to t(14;18), a genetic translocation involving the BCL2 gene that regulates apoptosis. The dysregulation of apoptosis could contribute to the proliferation of NHL. This exploratory study utilized the Nebraska Lymphoma Study Group, which consists of patients with non-Hodgkin lymphoma, Hodgkin disease, or some other neoplastic hematologic disorder …

An Analysis Of The Impact Of Strict Photo Id Laws On Election Turnout: Do They Discriminate Against Minority Voters?, Josh Gromowsky

Honors Program: Senior Projects (Public)

Over the last 20 years, states across the nation have passed photo ID laws requiring potential voters to provide a form of identification before they can cast their ballots. These laws have generated great controversy, with opponents of the laws accusing them of being racially discriminatory. Studies attempting to analyze their effects on turnout have resulted in differing results due to different methodologies, and no consensus has been reached in the academic literature regarding this topic. Recognizing that laws do not exist in isolation and that people can react to their implementation in different ways, this paper examines the effects …

Hubris And The Protection Of The Citizen Body, Lillyan Uhlmann

Honors Program: Senior Projects (Public)

The Classical Greek notion of hubris, which relates most closely to a modern form of disrespect, was an important form of protection for the citizen body. The law of hubris fell under the public sphere of graphai, which allowed for any individual in the community to bring up a charge. The law of hubris protected not only male citizens, but also women and slaves, which emphasizes the protection of the society as a whole. Hubris was a way to check those of power in society and charges of hubris, if proven, could result in the revoking of citizenship or political …

Irrigation-As-A-Service For Smallholder Farmers, Ishani Lal

Department of Agricultural Economics: Dissertations, Theses, and Student Research

Irrigation is a crucial management practice that can help increase food security among smallholders globally while mitigating climate change impacts. High-efficiency irrigation technologies such as drip kits and sprinkler systems are relatively expensive and smallholder farmers cannot afford them to buffer crop yields against low precipitation. In many developing countries, farmers participate in robust informal markets for renting and sharing of irrigation equipment. Such services may be operated by farmers or via a third party such as irrigation start-ups, water user associations, non-governmental organizations, or even government agencies. These services are referred to collectively as Irrigation-as-a-Service (IaaS).

The objective of …

Summer Bridge Programs In National And Local Context, Osvaldo Palma Vargas

Honors Program: Senior Projects (Public)

Research suggests that summer bridge programs (SBPs) meet their intended goal, which is to improve first-generation students’ academic outcomes as defined by first-year retention and GPA. However, we know little about whether, and if so, how SBPs optimize the implementation of known best practices and how they are perceived by participating students. This thesis compares evidence regarding key practices of SBPs at a selection of Land Grant institutions, to identify commonalities and differences. In addition, this thesis compares the key practices of these peer institutions with a local SBP in place at the University of Nebraska-Lincoln, known as the Nebraska …

Creative Play Pedagogy, Leah M. Hedrick

Department of English: Dissertations, Theses, and Student Research

This thesis serves as a primer text for creative play pedagogy, a new approach to teaching arts subjects. In accordance with the author’s teaching experience, this text is primarily concerned with the application of new pedagogical shifts to center creative play in the community college creative writing classroom.

Part One lays out a definition and rationale for creative play as a concept for teachers. The research outlined in this section illustrates how engagement with the arts benefits students’ mental-emotional and social well-being. Following this research, the author investigates barriers to creative play that exist in traditional pedadogies as well as …

Point Heat Source Correlation To Microstructural Evolution In Advanced Manufacturing, Mark Anderson

Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research

Although there are different ways that advanced manufacturing can be performed, the use of single-point heat sources has become the standard to control a final product’s properties. It is imperative to understand how the heat source used in the different advanced manufacturing processes affect the microstructure of interest. The intimate relationship between the heat source and microstructure allows for controlling and tailoring a part’s properties. Utilizing different microstructural analysis, the cross-correlation of various point heat sources to developed microstructure was conducted in this dissertation.

Laser powder bed fusion allows for unique print-to-part protocols, but the dynamics of the process makes …

Listening For Common Ground In High School And Early Collegiate Mathematics, Gail Burrill, Henry Cohn, Yvonne Lai, Dev P. Sinha, Ji Y. Son, Katherine F. Stevenson

Department of Mathematics: Faculty Publications

Solutions to pressing and complex social challenges require that we reach for common ground. Only through cooperation among people with a broad range of backgrounds and expertise can progress be made on issues as challenging as improving student success in mathematics. In this spirit, the AMS Committee on Education held a forum in May 2022 entitled The Evolving Curriculum in High School and Early Undergraduate Mathematical Sciences Education.¹ This article is a report on that forum by the authors listed above, who were among the organizers and presenters.

Assessment Of Bridge Pier Response To Fire, Vehicle Impact, And Air Blast, Chen Fang, Qusai Alomari, Daniel G. Linzell

Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research

Highway bridges exposed to intentional or unintentional fire followed by combined vehicle impact and air blast are at risk of significant damage and, possibly, collapse. Limited studies examining the complex effects of these extreme demands on bridge support elements and parametrizing their response and damage are found in the open literature. Research that is presented is part of an ongoing numerical investigation examining round, multi-column, reinforced concrete (RC), bridge pier behavior subject to multi-hazard scenarios involving fire, vehicle impact, and air blast. Detailed nonlinear finite element analysis models of single columns and multi-column piers supported by a pile foundation system …

United States National Aeronautics And Space Agency Response To The Office Of Science And Technology Policy Memo, 2022: Public Access (May 2023)

Copyright, Fair Use, Scholarly Communication, etc.

NASA response to OSTP memo, 2022: Public Access (May 2023)

The Woodcliff Experiment: Zooarchaeological Applications Using A Legacy And Cultural Resource Management (Crm) Faunal Collection, Matthew Zmijewski

Department of Anthropology: Theses and Student Research

Legacy archaeological collections are often underutilized despite their valuable research utility. Archeologists might pass over these collections for research due to the age of recovery, along with the manner in which they were sampled and excavated. This thesis argues that significant archaeological research questions can be answered using these collections. To demonstrate their research potential, the author analyzes past subsistence behaviors and seasonality of occupations using the faunal remains from the Woodcliff site (25SD31). Woodcliff is a A.D. 1650-1750 Protohistoric Pawnee village located in eastern Nebraska. The faunal collection derived from excavations at the site constitute both a legacy and …

The Impacts Of Site Formation Processes On Excavation Methodology: The Study Of A World War Ii B-24 Crash Site In Munster, Germany, Alicia J. Lawson

Department of Anthropology: Theses and Student Research

Academic partnerships between universities and the Defense POW/MIA Accounting Agency (DPAA) are a recent development to provide top research universities resources to assist in recovering and identifying MIA service members since World War II. A University of Nebraska–Lincoln (UNL)/DPAA Partner excavation revisited a WWII B-24H crash site in Münster, Germany in the summer of 2022. B-24H [redacted] crashed into three agricultural fields on 23 March 1945. Utilizing quantitative and qualitative data collected on the incident-related and archaeological osseous remains and artifacts recovered from the fields and the fields’ land use history, this thesis focuses on analyzing the site formation processes …

Riodinid Butterfly Fauna (Lepidoptera) Of The Cosñipata Region, Peru: Annotated Checklist, Community Structure, And Contrast With Lycaenidae, Gerardo Lamas, Jon D. Turner, Michael L. Mcinnis, Robert K. Robbins

Insecta Mundi

A team of experienced lepidopterists sampled the butterfly fauna of Peru’s Cosñipata Region from 400 to 4,000 m elevation for more than a decade (7,440 field person-hours) and supplemented this sam­ple with data from museum specimens and the scientific literature. An annotated checklist of Cosñipata Riodinidae (Lepidoptera: Papilionoidea) documents 398 species, which represents 29% of the world Rio­dinidae fauna. For each, it lists sample abundance, adult behavior, elevation, and temporal distribution. In the fieldwork sample, 75 species (20.9%) were sampled once and 39 (9.8%) were not encountered (collected or imaged by others). A riodinid species of median abundance was sampled …

“The Queer, Lonely, Intense, Inner Lives Of Their Children”: Psychoanalysis, Mysticism, And Mabel Dodge Luhan’S Narrative Approach To The Story Of Her Childhood, Lauren M. Franken

Department of English: Dissertations, Theses, and Student Research

This thesis explores Mabel Dodge Luhan’s narrative approach to writing Background (1933), the first of her four published volumes of autobiography titled Intimate Memories. In the first section I lay the groundwork for this analysis with a brief examination of Background’s publication history. The succeeding two sections offer a historical framework for understanding late nineteenth and early twentieth-century American conceptualizations of childhood, Freudian psychoanalysis, and mysticism. Considering the various lenses through which Luhan analyzed her childhood memories provides a more complex awareness of her narrative approach. The fourth section engages in a close reading of the sections of …

You Never Really Leave, John Kuligowski

Department of English: Dissertations, Theses, and Student Research

YOU NEVER REALLY LEAVE is a thesis which consists in a critical introduction that broadly explores my experience of creating a short story collection, as well as the ensuing collection of five short stories. The critical introduction examines the form and content of the following stories, as well as the influences that have been instrumental to my writing. It furnishes details about themes and subject matter which have been consistent in my fiction thus far, and it depicts some of the motivations behind it. The stories themselves range from a realist mode to what has been labeled by other writers …

Entropy And Energy Profiles Of Chemical Reactions, Johannes C. B. Dietschreit, Dennis J. Diestler, Rafael Gómez-Bombarelli

Department of Agronomy and Horticulture: Faculty Publications

The description of chemical processes at the molecular level is often facilitated by use of reaction coordinates, or collective variables (CVs). The CV measures the progress of the reaction and allows the construction of profiles that track the evolution of a specific property as the reaction progresses. Whereas CVs are routinely used, especially alongside enhanced sampling techniques, links between profiles and thermodynamic state functions and reaction rate constants are not rigorously exploited. Here, we report a unified treatment of such reaction profiles. Tractable expressions are derived for the free-energy, internal-energy, and entropy profiles as functions of only the CV. We …

Divergent Metabolic Changes In Rhizomes Of Lowland And Upland Switchgrass (Panicum Virgatum) From Early Season Through Dormancy Onset, Nathan A. Palmer, Gautam Sarath, Michael J. Bowman, Aaron J. Saathoff, Serge J. Edmé, Robert B. Mitchell, Christian M. Tobias, Soundararajan Madhavan, Erin D. Scully, Scott E. Sattler

Department of Agronomy and Horticulture: Faculty Publications

High-biomass-yielding southerly adapted switchgrasses (Panicum virgatum L.) frequently suffer from unpredictable winter hardiness at more northerly sites arising from damage to rhizomes that prevent effective spring regrowth. Previously, changes occurring over the growing season in rhizomes sampled from a cold-adapted tetraploid upland cultivar, Summer, demonstrated a role for abscisic acid (ABA), starch accumulation, and transcriptional reprogramming as drivers of dormancy onset and potential keys to rhizome health during winter dormancy. Here, rhizome metabolism of a high-yielding southerly adapted tetraploid switchgrass cultivar, Kanlow—which is a significant source of genetics for yield improvement—was studied over a growing season at a northern …