Barrett, The Honors College at Arizona State University proudly showcases the work of undergraduate honors students by sharing this collection exclusively with the ASU community.

Barrett accepts high performing, academically engaged undergraduate students and works with them in collaboration with all of the other academic units at Arizona State University. All Barrett students complete a thesis or creative project which is an opportunity to explore an intellectual interest and produce an original piece of scholarly research. The thesis or creative project is supervised and defended in front of a faculty committee. Students are able to engage with professors who are nationally recognized in their fields and committed to working with honors students. Completing a Barrett thesis or creative project is an opportunity for undergraduate honors students to contribute to the ASU academic community in a meaningful way.

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Description
The El Niño Southern Oscillation (ENSO) consists of a linkage between changes in sea-surface temperatures and atmospheric pressure across the Tropical Pacific. ENSO encompasses three phases: neutral events, warm/El Niño events in which sea-surface temperatures are warmer-than-normal and the pressure gradient decreases across the Equatorial Pacific, and cold/La Niña events

The El Niño Southern Oscillation (ENSO) consists of a linkage between changes in sea-surface temperatures and atmospheric pressure across the Tropical Pacific. ENSO encompasses three phases: neutral events, warm/El Niño events in which sea-surface temperatures are warmer-than-normal and the pressure gradient decreases across the Equatorial Pacific, and cold/La Niña events in which Tropical Pacific sea-surface temperatures are cooler-than-normal and the pressure gradient increases. Previous studies have determined a connection between variations in ENSO phase and weather patterns across the globe, focusing particularly on surface temperature and precipitation patterns in the United States. However, little research exists that attempts to link changes in ENSO phase with severe weather in Arizona. Therefore, in this study, I analyzed how variations in ENSO phase affect the frequency, intensity, and spatial distribution of four types of severe weather from 1959 to 2016 in Arizona, including a) tornado events, b) severe thunderstorm wind events, c) hail events, and d) heavy rain and flash flood events. I collected data on the Oceanic Niño Index (ONI), a measure of ENSO, as well as storm reports for each severe weather phenomenon dating back to 1959. Then, I analyzed the frequency of each Arizona severe weather event type within each of the twelve annual months and over the entire study period. I also analyzed mean intensity values (Fujita/Enhanced Fujita Scale rating, path width, and path length for tornadoes; hail diameter in millimeters for hail; and wind gust speed for severe thunderstorm wind events) for each severe weather phenomenon, excluding the heavy rain and flash flood events. Finally, I used the Mean Center and Directional Distribution tools in ArcGIS to determine variations in the spatial distribution and mean centers between each ENSO phase for each severe weather event type. I found that ENSO phase, particularly La Niña, does impact the frequency and intensity of tornadoes, hail, thunderstorm wind, and heavy rain/flash flood events in Arizona. However, it appears that ENSO does not affect the spatial distribution of these Arizona severe weather phenomena. These findings attempt to fill in the gap in the literature and could help meteorologists better forecast changes in Arizona severe weather, in turn allowing Arizonans to better prepare for and mitigate the effects of severe weather across the state.
ContributorsGreenwood, Trey Austin (Author) / Cerveny, Randall (Thesis director) / Balling, Robert (Committee member) / School of Geographical Sciences and Urban Planning (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
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Description
Since its discovery in 1524, many people have characterized the vermiform appendix. Charles Darwin considered the human appendix to be a vestige and a useless structure. Others at the time opposed this hypothesis. However, Darwin's hypothesis became prevalent one until recently when there became a renewed interest in the appendix

Since its discovery in 1524, many people have characterized the vermiform appendix. Charles Darwin considered the human appendix to be a vestige and a useless structure. Others at the time opposed this hypothesis. However, Darwin's hypothesis became prevalent one until recently when there became a renewed interest in the appendix because of advancements in microscopes, knowledge of the immune system, and phylogenetics. In this review, I will argue that the vermiform appendix, although still not completely understood, has important functions. First, I will give the anatomy of the appendix. I will discuss the comparative anatomy between different animals and also primates. I will address the effects of appendicitis and appendectomy. I will give background on vestigial structures and will discuss if the appendix is a vestige. Following, I will review the evolution of the appendix. Finally, I will argue that the function of the appendix is as an immune organ, including discussion of gut-associated lymphoid tissue (GALT), development of lymphoid follicles in GALT and their comparison within different organs, Immunoglobulin A (IgA) function in the gut, biofilms as evidence that the appendix is a safe-house for beneficial bacteria, re-inoculation of the bowel, and protection against recurring infection. I will conclude with future studies that should be conducted to further our understanding of the vermiform appendix.
ContributorsPrestwich, Shelby Elizabeth (Author) / Cartwright, Reed (Thesis director) / Lynch, John (Committee member) / Furstenau, Tara (Committee member) / School of Geographical Sciences and Urban Planning (Contributor) / School of Life Sciences (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
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Description
Abstract Older adults and people with disabilities are two unique populations, though they intersect in their need for mobility options that are often not met by traditional transportation services. There is consensus that the government should provide assistance for older adults and people with disabilities to achieve and maintain independence.

Abstract Older adults and people with disabilities are two unique populations, though they intersect in their need for mobility options that are often not met by traditional transportation services. There is consensus that the government should provide assistance for older adults and people with disabilities to achieve and maintain independence. However, the challenge lies in addressing the many forms of mobility inequity. Population projections for the twenty-first century have sparked interest in the rights of these two populations. As the population of the United States of America ages, supporting the mobility of seniors and individuals with disabilities will become imperative to maintaining their quality of life. One existing federal grant, Section 5310: Enhanced Mobility for Seniors and Individuals with Disabilities (49 U.S.C. 5310) provides formula funding for services that provide transportation options to older adults and people with disabilities. While the 5310 program provides crucial funding to non-profits and government agencies to support mobility options for older adults and people with disabilities, it does not address the full scope of mobility issues faced by these two communities. This thesis project provides a thorough analysis of this grant from the federal legislation it is founded on, to the local administration of this grant as applied by the Maricopa Association of Governments (MAG). Finally, this thesis looks at emerging technology with the potential to revolutionize mobility, along with sobering historical context of the barriers faced older adults and people with disabilities.
ContributorsValencia, Martin J. (Author) / Kelley, Jason (Thesis director) / Voorhees, Matthew (Committee member) / School of Sustainability (Contributor) / School of Geographical Sciences and Urban Planning (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
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Description
The goal of this thesis was to implement a GIS tool to help identify potential locations for hydroelectric power projects in Patagonia, Chile that are in accordance with environmental and social impact assessments. I first identified river basins with high hydropower potential and then assigned weighted values to those basins,

The goal of this thesis was to implement a GIS tool to help identify potential locations for hydroelectric power projects in Patagonia, Chile that are in accordance with environmental and social impact assessments. I first identified river basins with high hydropower potential and then assigned weighted values to those basins, in order to minimize the displacement of indigenous populations, damage to archaeological and historical sites, and identify regions with the lowest threat to biodiversity. I used the weighted overlay tool as a decision support system to balance the competing environmental and social interests in relation to hydroelectric development in Patagonia. The results identified 5 sites that are the highest scores among all factors. This work indicates that GIS data and decision support systems can help provide useful information for the decision makers.
ContributorsKerwin, Ruby Marie (Author) / Frazier, Ryan (Thesis director) / Klassen, Sarah (Committee member) / School of Geographical Sciences and Urban Planning (Contributor) / School of Human Evolution and Social Change (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
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Description
The world of role playing games, or RPGs, is a complex, ever changing balance of egos, luck, skill, and fun. It is "always on the verge of destruction… a movement between order and chaos” (Sicart 2014, 3). This paper looks at the creation and implementation of one basic Generic Universal

The world of role playing games, or RPGs, is a complex, ever changing balance of egos, luck, skill, and fun. It is "always on the verge of destruction… a movement between order and chaos” (Sicart 2014, 3). This paper looks at the creation and implementation of one basic Generic Universal Role Playing System (GURPS) story skeleton, and how five groups of five to seven players created five extremely diverse, rich stories. A jointly told story is the sum of the experiences and interactions of the storytellers. The Game Master creates an ever-evolving story based on their own ideas and characters, and influenced by the choices of the Player Characters. Likewise, the Player Characters react and adapt to scenarios given to them by the Game Master, steering the story in subtler, but no less influential ways. Both the Game Master and the Player Characters are influenced in their decisions by out of game rivalries and the interplay of the different roles each player takes on. My research sought to explore how and why a jointly told narrative changes from the original source material. What change agents are due to the power of the Game Master? How do PCs most effectively change their story? To what extent does the story depend on the out-of-game interactions that are shaped by the real world? In this paper I will argue that agônistic play or the lack thereof is the driving force behind joint storytelling due to both the conflict within one player between player and character, and the conflict inherent in bringing multiple overlapping but incongruous social realities together to create a separate shared social reality.
ContributorsAbraham, Rebecca (Author) / Loebenberg, Abby (Thesis director) / Ingram-Waters, Mary (Committee member) / Barrett, The Honors College (Contributor)
Created2018-05
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Description
In this project I analyze Paolo Soleri's concept of arcology \u2014 the combination of architecture and ecology \u2014 from a theoretical, symbolic, and physical perspective. I utilize these three viewpoints to determine what aspects of his theories are most effective for urban design. While his ideas are based on building

In this project I analyze Paolo Soleri's concept of arcology \u2014 the combination of architecture and ecology \u2014 from a theoretical, symbolic, and physical perspective. I utilize these three viewpoints to determine what aspects of his theories are most effective for urban design. While his ideas are based on building "arcologies" from the ground up, I will be using the Phoenix Metropolitan area to determine how we could apply his ideas to existing cities without having to rebuild entirely. This past summer I participated in the 5-week construction workshop the Cosanti Foundation offers at the physical prototypical city of Arcosanti in Mayer, Arizona during which time I studied Soleri's work and participated in the construction of the city while also participating in the community dynamic there. I have found that while not all components of Soleri's theories translated well into Arcosanti, there are certainly some ideas that could be applied help to improve the City of Phoenix. I propose improvements to the pedestrian realm and an increase public space with an emphasis on utilizing the infrastructure and land that is already present for future development.
Created2018-05
Description
A bicycle tour is an unusual thing, one that often defies the expectations of the first-time touring cyclist. In this report, the experience of touring cycling is examined in two parts: a narrative documenting the author's tour down the Pacific Coast, and a reflective work that examines the journey and

A bicycle tour is an unusual thing, one that often defies the expectations of the first-time touring cyclist. In this report, the experience of touring cycling is examined in two parts: a narrative documenting the author's tour down the Pacific Coast, and a reflective work that examines the journey and the major themes which persist throughout. In examining the trip, two major dichotomies arose as themes. The first major dichotomy is found in the expectation of a solitary experience for one who is touring solo. In reality, tours are often built on the goodwill of others in the cycling community. On this particular tour, a website called Warmshowers was central to this point. By offering lodging to tired touring cyclists who would otherwise camp alone, this website serves to bring the cycling community together, and allows for connections that would otherwise never exist to be formed. However, it is true that much of a solo tour is, in fact, spent in solitude. This allows a cyclist long periods for self-reflection and meditation, an opportunity to strengthen one's connection with oneself and the natural world around them. The second is a contrast between the planning that goes into embarking on a long trip and the entropy and randomness that inevitably causes the experience to wildly differ from said plan. When the unexpected occurs, there are two options: to reject the unknown and cling to the framework one sets out for themselves, or to embrace the unexpected and see where it takes you. Often, diverting from the plan can allow for new and exciting experiences. However, there is also value to the framework and stability afforded by adhering to a plan. Through these experiences and more, a bicycle tour changes the way one looks at the world.
ContributorsReid, Evan Calderwood (Author) / Fette, Donald (Thesis director) / Loebenberg, Abby (Committee member) / Electrical Engineering Program (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
Description

Many people use public transportation in their daily lives, which is often praised at as a healthy and sustainable choice to make. However, in extreme temperatures this also puts people at a greater risk for negative consequences resulting from such exposure to heat. In Phoenix, public transportation riders are faced

Many people use public transportation in their daily lives, which is often praised at as a healthy and sustainable choice to make. However, in extreme temperatures this also puts people at a greater risk for negative consequences resulting from such exposure to heat. In Phoenix, public transportation riders are faced with extreme heat in the summer along with the increased internal heat production caused by the physical activity required to use public transportation. In this study, I estimated total exposure and average exposure per rider for six stops in Phoenix. To do this I used City of Phoenix ridership data, weather data, and survey responses from an ASU City of Phoenix Bus Stop Survey conducted in summer 2016. These data sets were combined by multiplying different metrics to produce various exposure values. During analysis two sets of calculations were made. One keeping weather constant and another keeping ridership constant. I found that there was a large range of exposure between the selected stops and that the thermal environment influences the amount of exposure depending on the time of day the exposure is occurring. During the morning a greener location leads to less exposure, while in the afternoon an urban location leads to less exposure. Know detailed information about exposure at these stops I was also able to evaluate survey participants' thermal comfort at each stop and how it may relate to exposure. These findings are useful in making educated transportation planning decisions and improving the quality of life for people living in places with extreme summer temperatures.

ContributorsGerster, Katrina Ashley (Author) / Hondula, David M. (Thesis director) / Watkins, Lance (Committee member) / School of Geographical Sciences and Urban Planning (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
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Description
On the Arizona-Sonora border, more than 3,000 bodies have been recovered in the 21st century as a result of a fatal government policy that forced migrants into the desert rather than crossing in urban corridors. Humanitarian aid organizations are stretched across thousands of square miles with virtually no resources, particularly

On the Arizona-Sonora border, more than 3,000 bodies have been recovered in the 21st century as a result of a fatal government policy that forced migrants into the desert rather than crossing in urban corridors. Humanitarian aid organizations are stretched across thousands of square miles with virtually no resources, particularly in the Cabeza Prieta National Wildlife Refuge (Cabeza Prieta), a deadly wildlife refuge in Arizona's West Desert. A lot is unknown about the West Desert, particularly from a human rights perspective of trying to strategize the distribution of humanitarian aid. One question is of particular importance, where does water already exist in Cabeza Prieta, and what is the quality of that water? In this paper, I will discuss the process of surveying water sources in Cabeza Prieta, display photos and maps to convey what I've learned from my fieldwork, and finally, discuss my findings and delve into a geographical analysis, focusing on the relation between human remains recovery sites and water sources.
ContributorsLeon, Gabriel Carlos (Author) / Warren, Scott (Thesis director) / Larson, Kelli (Committee member) / School of Geographical Sciences and Urban Planning (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05
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Description
Abstract
Local organic gardening once experienced great popularity with Americans. At one time promoted and prominent, local gardens became obscure, old-fashioned, and outmoded. However, in the last few decades, for various reasons, local organic gardening has made some progress. This study seeks to assist high-density, low-income, inner-city Americans, who often do

Abstract
Local organic gardening once experienced great popularity with Americans. At one time promoted and prominent, local gardens became obscure, old-fashioned, and outmoded. However, in the last few decades, for various reasons, local organic gardening has made some progress. This study seeks to assist high-density, low-income, inner-city Americans, who often do not have have easy or affordable access to fresh whole food by creating sustainable, resilient, local, urban gardens. However, this effort does not attempt to address the needs of entire populations of census tracts, rather one suburban home, one small apartment complex, or one small community garden. O​ ne solution to the problems associated with food insecurity is to put the creativity and responsibility into the hands of those who need the food, allow them to work within a self-sustaining garden, and decide what to do with any excess food. W​ ith the help of Greg Peterson, Phoenix’s own urban farmer, this project set out to create a system using Phoenix’s limited amount of rainfall to create a aquaponic gardening system which will be used in micro-communities such as multi-family complexes, middle schools, or high schools, in order to help grow food for these communities and alleviate some of the difficulties of finding fresh food in the desert.
ContributorsField, John William (Author) / Hagen, Bjoern (Thesis director) / Kelley, Jason (Committee member) / School of Public Affairs (Contributor) / School of Geographical Sciences and Urban Planning (Contributor) / School of Sustainability (Contributor) / Barrett, The Honors College (Contributor)
Created2018-05