Index Catalog // ScholarsArchive@OSU

Classification strategies for unbalanced binary maps : finding Ponderosa pine in the Willamette Valley

Creator:: Riddell, Audrey P.
Abstract:: Forest species classifications are becoming increasingly automated as advances are made in machine learning. The algorithms used to identify tree species range from simple decision trees to intricate neural networks, and often excel in accurately delineating tree species. However, complex algorithms can have high input costs, including the cost of...
Resource Type:: Masters Thesis
Full Text:: Audrey P. Riddell for the degree of Master of Science in Sustainable Forest Management presented on May

Relationship of Soil Type and Burn Severity to Post-Fire Vegetation Response

Creator:: Maclennan, Audrey
Abstract:: Public lands in the Pacific Northwest are managed for multiple uses including timber production, recreation and aesthetic value, maintaining wildlife habitat, conserving native species, and carbon storage. Wildfires impact large areas encompassing broad environmental conditions. Interactions among underlying environmental gradients and alteration of overstory competition by fire of varying severities...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Audrey Maclennan for the

The 2010 Deepwater Horizon Gulf Region Oil Spill: Educational Modules and Methods for Long-Term Remediation

Creator:: Oldenkamp, Audrey G.
Abstract:: On April 20th, 2010 the Deepwater Horizon drilling rig in the Gulf of Mexico malfunctioned leading to a 4.9 million barrel oil spill. The released oil affected marine life, coastal ecosystems, and the economic framework of the Gulf of Mexico. The Gulf spill spurred research on absorbent materials and engineering...
Resource Type:: Honors College Thesis
Full Text:: ii AN ABSTRACT OF THE THESIS Audrey G

Models and Modeling in Capstone Physical and Virtual Laboratory Projects

Creator:: Nefcy, Erick J.
Abstract:: The research presented in this dissertation focuses on the model generation and modeling processes of student teams that participate in capstone, undergraduate engineering physical and virtual laboratory projects. The Heat Exchange Laboratory Project, the Ion Exchange Laboratory Project, and the Virtual Chemical Vapor Deposition (CVD) Laboratory Project provide the context...
Resource Type:: Dissertation
Full Text:: counsel representative. I appreciate Dr. Audrey Champagne, who has supported much of this research with

Integrating Systemic and Applied Anthropology Approaches to Identify Barriers and Enablers to Accessing Healthcare in the Province of Buenos Aires, Argentina

Creator:: Copple, Ethan L.
Abstract:: Healthcare access exhibits differing levels of complexity, often requiring multi-disciplinary approaches to study its barriers and enablers. Though Argentina has achieved nominal universal healthcare coverage through its public healthcare system, full effective coverage has not been achieved. The public system also has a parallel private care system, adding further complexity...
Resource Type:: Masters Thesis
Full Text:: CaRSEM research group. It’s been wonderful to grow closer to Neal, Prathamesh, Hua-Ching, Audrey, and

Interface Analysis of Titanium Dioxide and Graphene

Creator:: Frazier, Devon Paige
Abstract:: Titanium dioxide, in the anatase form, is a photocatalyst and has applications in water pollution reduction. Efficiency can be improved with a graphene substrate, which delays electron-hole recombination and may reduce the band gap. In this work, we determine if graphene can also act as a morphactant, changing the shape...
Resource Type:: Honors College Thesis
Full Text:: : _____________________________________________________________ P. Alex Greaney Titanium dioxide, in the anatase form, is a photocatalyst and has applications

Biophysical analyses of peroxiredoxins and a partner reductase

Creator:: Hall, Andrea Renée
Abstract:: Peroxiredoxins (Prxs) are dominant peroxide-reducing enzymes with two important roles: they protect all organisms from oxidative damage induced by peroxides, and in eukaryotes, they participate in hydrogen peroxide signaling pathways. This dissertation presents studies aimed at the biophysical characterization of select Prxs and a Prx reductase to elucidate their structure-function...
Resource Type:: Dissertation
Full Text:: . Abstract approved: P. Andrew Karplus

Impact of Dansgaard-Oeschger and Heinrich Events on the Latitudinal Distribution of Methane Sources during Marine Isotope Stage 3

Creator:: Edwards, Jon S.
Abstract:: Understanding how the latitudinal distribution of methane sources changed between stadial and interstadial climate states during the last glacial period can provide important clues about how terrestrial hydroclimate and ecosystems evolved between these different states. The punctuation of the millennial-scale structure by Heinrich events is also of interest in this...
Resource Type:: Masters Thesis
Full Text:: intercept of (1) discrete_CH4 = 0.975xCFA_CH4 + 12.99 (r 2 = 0.9966,P < .05) and (2) discrete_CH4

Cannabidiol Effects on NMDA and AMPA Receptor Activity and Cognitive Function at a High Dose in 5xFAD Mice

Creator:: Sackinger, Emily P.
Abstract:: Alzheimer’s Disease (AD) is an abnormal part of aging that mainly affects those over the age of 65. The current therapies are only FDA approved for mild to moderate AD symptoms. Cannabidiol (CBD) is a non-intoxicating constituent of Cannabis sativa that has been shown to have beneficial effects on cancer,...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Emily P. Sackinger for the

Expanding the Use of 19F NMR Spectroscopy in Per- and Polyfluoroalkyl Substance Analysis: Determination of Total Fluorine and Isomeric Distribution in Aqueous Film-Forming Foams

Creator:: Schaum, Andre F.
Abstract:: Aqueous film-forming foams (AFFFs) are significant sources of per- and polyfluoroalkyl substances (PFAS) in the environment. Current analytical methods that provide quantitative measures of individual PFAS in AFFFs, such as liquid chromatography – tandem mass spectrometry (LC-MS/MS), are often complicated, time-consuming, and expensive. Methods for total fluorine analysis, though quantitative,...
Resource Type:: Masters Thesis
Full Text:: . C.; Choyke, S.; Oetjen, K.; McAlees, A.; Riddell, N.; McCrindle, R.; Ferguson, P. L

ScholarsArchive@OSU

Classification strategies for unbalanced binary maps : finding Ponderosa pine in the Willamette Valley

Relationship of Soil Type and Burn Severity to Post-Fire Vegetation Response

The 2010 Deepwater Horizon Gulf Region Oil Spill: Educational Modules and Methods for Long-Term Remediation

Models and Modeling in Capstone Physical and Virtual Laboratory Projects

Integrating Systemic and Applied Anthropology Approaches to Identify Barriers and Enablers to Accessing Healthcare in the Province of Buenos Aires, Argentina

Interface Analysis of Titanium Dioxide and Graphene

Biophysical analyses of peroxiredoxins and a partner reductase

Impact of Dansgaard-Oeschger and Heinrich Events on the Latitudinal Distribution of Methane Sources during Marine Isotope Stage 3

Cannabidiol Effects on NMDA and AMPA Receptor Activity and Cognitive Function at a High Dose in 5xFAD Mice

Expanding the Use of 19F NMR Spectroscopy in Per- and Polyfluoroalkyl Substance Analysis: Determination of Total Fluorine and Isomeric Distribution in Aqueous Film-Forming Foams

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