Index Catalog // ScholarsArchive@OSU

Impacts of Prior Risk Experience and Personal Values on Support for Climate Change Policies

Creator:: Dwyer, Kiera M.
Abstract:: In 2020, Oregon suffered one of the worst wildfire seasons on record, with a higher percent of forest area burn, the destruction of residential areas, and the risk to human health. The level of intensity of these wildfires were due to the effects of climate change and Oregon wildfire seasons...
Resource Type:: Honors College Thesis
Full Text:: Impacts of Prior Risk Experience and Personal

Independent Association of Vitamin D with Prevalent and Incident Outcomes of Heart Attack and Stroke in Elderly Men: A Prospective Cohort Study

Creator:: Messenger, Wyatt
Abstract:: BACKGROUND: The association of vitamin D with heart attack and stroke remains unclear. METHOD: Using data from the Osteoporotic Fractures in Men Study (MrOS), we collected dietary vitamin D data from 5,995 participants and serum (25)OH vitamin D from 1,606 participants. The association of vitamin D with prevalent heart attack...
Resource Type:: Honors College Thesis
Full Text:: Health Management and Policy presented on May 1, 2009. Title: Independent Association of Vitamin D with

The influences of remote learning on assessments and student engagement

Creator:: Preusser, Deja
Abstract:: As a result of the COVID-19 pandemic, most colleges and universities around the world were forced to switch to remote learning. Many instructors were provided little guidance regarding how to restructure their courses for the remote classroom. The purpose of this study was to understand how the shift from in-person...
Resource Type:: Honors College Thesis
Full Text:: . Abstract approved:_____________________________________________________ Milo D. Koretsky As a

Effects of Contemporary Forest Practices on Stream Nutrients, Temperature, and Periphyton in Small Headwater Streams

Creator:: Pimont, Cedric
Abstract:: Forest harvest practices can impact nutrient concentrations and stream temperatures, altering aquatic ecosystems. To better inform future sustainable forest resource management practices, quantifying the impact of current practices on water quality, particularly in headwater streams is important. In this study, I quantified monthly nitrate-nitrite (N) and orthophosphate (P) concentrations, 7-day...
Resource Type:: Honors College Thesis
Full Text:: temperatures (7DMMT), and chlorophyll-a prior to harvest (2020) and post-harvest (2021) in 10 non- fish

Un Paseo encantado

Creator:: Joyner, Taylor B.
Abstract:: Un Paseo Encantado, an enchanted walk, is a collection of my observations and experiences in a study abroad program in Oviedo, Spain. My commentary on Spanish culture is based on reading I did prior my departure, in combination with my observations while in Spain. In six chapters, I explore the...
Resource Type:: Honors College Thesis
Full Text:: is based on reading I did prior my departure, in combination with my observations while in Spain

A Comparative Analysis of Automated and Time-Integrated Sediment Samplers

Creator:: Babb, Arden I.
Abstract:: This study was conducted to determine if a time-integrated Phillips sampler was able to estimate sediment yield when compared to a reference produced by an automated sampler. Time-integrated samplers are easier to use, more cost effective, and can withstand storm events better than automated samplers, but are not designed to...
Resource Type:: Honors College Thesis
Full Text:: , currently transports approximately 100,000 tons of sediment to the ocean each year. Prior to dam

Nutrient limitation of dune grasses in a U.S. Pacific Northwest coastal dune system

Creator:: Barker, McKenzie J.
Abstract:: Coastal dunes provide many functions and services including coastal protection, recreation, and habitat. Vegetation contributes to dune growth and stability, thereby increasing the coastal protection value of dunes. On the U.S. Pacific Northwest coast, the dominant dune grasses are the introduced non-native American beachgrass (Ammophila breviligulata) and the native American...
Resource Type:: Honors College Thesis
Full Text:: dune system. Abstract approved:_____________________________________________________ Sally D

Biomechanical limb asymmetries exist during a 45° sidestep cut among male and female recreational athletes post anterior cruciate ligament construction.

Creator:: Kaiyala, Montana E.
Abstract:: Background: 250,000+ individuals injure an anterior cruciate ligament (ACL) in the United States annually. Individuals post-ACL surgical reconstruction (ACLR) are at elevated risk for ACL re-injury, potentially from kinematic and kinetic asymmetries. While studies have examined asymmetries at the hip and knee post-ACLR during landing, less is known about asymmetries...
Resource Type:: Honors College Thesis
Full Text:: undergone a unilateral ACLR at least twelve months prior to participation in this study and who had been

Domestic Well Aquifer Storage Using Seasonal Springs

Creator:: Robinson, Julianne E.
Abstract:: In the face of increasing demand for and reduced supplies of water, methods to augment water supply and storage capacity are becoming increasingly important. In some areas, this has taken the form of aquifer storage and recovery (ASR), which involves injecting water into a well during a time of water...
Resource Type:: Honors College Thesis
Date Created:
Full Text:: Drift Creek basin Hale (2011) list similar results (see Appendix D). 5 Figure 1. Study site

Plasma enhanced growth of carbon nanotubes

Creator:: Ford, Neil I.
Abstract:: Carbon nanotubes (CNTs) are grown using plasma enhanced chemical vapor deposition (PECVD). A modified radio frequency (RF) parallel-plate plasma etching system serves as the growth reactor. The effects of process parameters, including temperature, pressure, and C2H2:NH3 ratio, are studied. CNTs are grown on glass substrates with Al underlayers and Ni...
Resource Type:: Honors College Thesis
Full Text:: : Milo D. Koretsky Carbon nanotubes (CNTs) are grown using plasma enhanced chemical vapor

Studying the ancient parasitic cnidarian, Sphaerospora elegans, leads to better understanding of oligochaete diversity and myxozoan discovery

Creator:: Lehrburger, David J.
Abstract:: Myxozoans are microscopic parasites, related to corals and jellyfish. Most Myxozoa probably have two-host lifecycles that require a vertebrate (typically fish) and invertebrate (annelid or bryozoan). However no life cycle is known from the Sphaerospora lineage. I hypothesized that the life cycle of Sphaerospora elegans, a myxozoan parasite of three-spined...
Resource Type:: Honors College Thesis
Full Text:: stickleback prior to necropsy to examine via microscopy for Sphaerospora and other myxozoan infections within

The Effects of Wildfire on Soil Hydraulic Properties in an Appalachian Hardwood Forest

Creator:: Ruud, Danica R.
Abstract:: Wildfires can affect soil physical properties, resulting in changes in infiltration, hillslope runoff, groundwater recharge, and sediment and dissolved nutrients to streams. In November 2016, the Chimney Tops 2 Fire burned 4,617 ha of Appalachian hardwood forest in eastern Tennessee. A portion of the fire burned through a National Ecological...
Resource Type:: Honors College Thesis
Full Text:: : ______________________________________________________ Kevin D. Bladon Wildfires can affect soil physical properties, resulting in changes in

Designing for the Future : A Generalized Software Architecture for Virtual Labs

Creator:: Thompson, Kyle B.
Abstract:: In recent years, simulated laboratory experiences have become more prevalent in educational curricula. These simulations, called virtual labs, can enable learning in ways that are not limited by physical constraints. The development of virtual labs is often ad hoc, resulting in unnecessary, repetitive work. The purpose of this thesis is...
Resource Type:: Honors College Thesis
Full Text:: ........................................................................................................................ 50 Appendix D – Matlab Server Interface

How Can We Help Individuals Experiencing Homelessness? Assessing Resource Strengths and Needs from First-Hand Accounts

Creator:: Pivec, Mikayla
Abstract:: The goal of my thesis is to (a) help reveal to the Corvallis community who comprises this local population and (b) to share with local resource agencies what potential gaps are present from the perspectives of the homeless individuals who call Corvallis home. We interviewed eight (8) individuals who have...
Resource Type:: Honors College Thesis
Full Text:: : _____________________________________________________ Kelly D. Chandler The goal of my thesis is to (a) help reveal to the Corvallis

Environmental DNA reveals cryptic parasite species and gives insight into their fish hosts

Creator:: Phillips, Kyle
Abstract:: Ceratonova shasta is a myxozoan fish parasite that impacts hatchery and wild populations of salmon and trout in the Pacific Northwest. Levels of the parasite in river water can be effectively monitored through direct filtration of parasite spores from water, extraction of total "environmental DNA" (eDNA), then quantitative polymerase chain...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Stephen D. Atkinson Ceratonova shasta is a myxozoan fish parasite that impacts

A preliminary assessment of post-fire dissolved organic carbon concentrations in the McKenzie River basin, Oregon

Creator:: Hyatt, Charles
Abstract:: In recent decades, the occurrence of large, high severity wildfires has increased substantially in many parts of the world, including the western United States. These fires have the potential to impact water quality, aquatic ecosystems, and downstream communities for many decades. As such, it is increasingly important to understand the...
Resource Type:: Honors College Thesis
Full Text:: : _________________________________________________________ Kevin D. Bladon In recent decades, the occurrence of large, high severity wildfires has

Performance of Brettanomyces Yeast Strains in Primary and Secondary Beer Fermentations

Creator:: Humbert, Riley
Abstract:: Recently, there has been an expansion of large-scale studies looking at strain variation of Brettanomyces. These studies have found variation between strains in terms of utilization of maltose and production of volatile phenols. While there is research going into this subject, there is a gap in knowledge regarding the differences...
Resource Type:: Honors College Thesis
Full Text:: extract, 20 g/L peptone, 20 g/L D-glucose, 15 g/L agar) supplemented with 10 mg/L cycloheximide. Species

Effects of wildfire on soil hydraulic properties on hillslopes in southwestern Oregon

Creator:: Cole, Ryan
Abstract:: The purpose of this study was to investigate the effects of wildfire on soil hydraulic properties of forested hillslopes. The study site was located within the Stouts Creek wildfire, which burned approximately 10,705 ha of forest in southwestern Oregon in summer 2015. Three soil hydraulic properties (soil moisture, unsaturated hydraulic...
Resource Type:: Honors College Thesis
Full Text:: : ______________________________________________________ Kevin D. Bladon The purpose of this study was to investigate the effects of wildfire on

An Analysis of Post-Medieval Ceramics from the Pendle Hill Witches Archaeological Excavation

Creator:: Connolly, Madeleine E.
Abstract:: This analysis seeks to (1) establish a typology of the post-medieval ceramics from the Malkin Tower site, (2) determine vessel forms and extrapolate site function, and (3) establish a tentative chronology for the site. Over four hundred post-medieval ceramic artifacts from the Malkin Tower site were analysed via descriptive and...
Resource Type:: Honors College Thesis
Full Text:: 2007, 138). While witches were feared and sometimes tried and executed prior to the Lancashire trials

Toward Professional Practice: Student Learning through Participation in Engineering Clubs

Creator:: Hinkle, Christopher M.
Abstract:: This study investigated learning in three engineering student clubs at a large public university. This included a small-sized chemical reaction car competition, a large-sized formula racing team, and an international humanitarian engineering club. Research methods included observations of work sessions (N=27) and semi-structured interviews (N=19). Using Cultural Historical Activity Theory...
Resource Type:: Honors College Thesis
Full Text:: program an electronic micro-controller despite lacking prior experience. Becoming comfortable with trying

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