Index Catalog // ScholarsArchive@OSU

Modeling the Environmental Protection Agency's level IV ecoregions within the Klamath Mountains of southern Oregon and northern California

Creator:: Zanger, Christopher
Abstract:: Ecoregions are regions of relative homogeneity with respect to specific ecosystem variables (Bailey 1976; Omernik 1995). There has been an increasing awareness that effective management of environmental resources must be undertaken with an ecosystem perspective (Omernik, 1995). Ecoregions serve as a spatial framework for assessing, managing, and monitoring ecosystems that...
Resource Type:: Capstone Project
Full Text:: Information Systems Approach Christopher Zanger A RESEARCH PAPER Submitted to THE DEPARTMENT OF

Modeling the Environmental Protection Agency's level IV ecoregions within the Klamath Mountains of Southern Oregon and Northern California : a Geographic Information System approach

Creator:: Zanger, Christopher
Abstract:: Ecoregions are regions of relative homogeneity with respect to specific ecosystem variables (Bailey 1976; Omernik 1995). There has been an increasing awareness that effective management of environmental resources must be undertaken with an ecosystem perspective (Omernik, 1995). Ecoregions serve as a spatial framework for assessing, managing, and monitoring ecosystems that...
Resource Type:: Capstone Project
Full Text:: Information Systems Approach By Christopher Zanger A RESEARCH PAPER Submitted to THE DEPARTMENT OF

A recurrent neural network implementation using the graphics processing unit

Creator:: Moore, Christopher
Abstract:: We took the back-propagation algorithms of Werbos for recurrent and feed-forward neural networks and implemented them on machines with graphics processing units (GPU). The parallelism of these units gave our implementations a 10 to 100 fold increase in speed. For nets with less than 20 neurons the machine performed faster...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Christopher Moore for the

A novel landscape ecology approach for determining microhabitat correlations and faunal patchiness in extreme environments:pilot study for the Southern East Pacific Rise at 17-18° S

Creator:: Wargo Rub, Michelle
Abstract:: Since their discovery in 1977, hydrothermal vent communities have offered scientists a unique glimpse into a world that is supported primarily by chemically derived energy rather than direct energy from the sun. Furthermore, studies of hydrothermal vent ecosystems have introduced scientists to amazing animals that have successfully adapted to living...
Resource Type:: Capstone Project
Full Text:: . Hobson, P. Sharfstein, S. White, B. Bezy, E. Birk, F. Terra, D. Scheirer, D.J. Wright, L. Magde, C. Van

Detection of actinides via nuclear isomer de-excitation

Creator:: Francy, Christopher J.
Abstract:: The detection of illicit weapons-grade nuclear material is a significant technical challenge receiving a great deal of attention in the nuclear community. A proposed solution is to actively bombard the material under investigation with neutrons, populating nuclear isomers in any potential fissile material. These isomers decay quickly, releasing gamma rays...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Christopher J. Francy for

The implementation of two distributed databases of water-related information

Creator:: Ward, Brian S.
Abstract:: One of the most pressing concerns in the Geographic Information Science community is the distribution of spatial datasets over the Internet. Two projects of the Department of Geosciences at Oregon State University are in the process of distributing data. The Oregon Coast Geospatial Clearinghouse was implemented with the goal of...
Resource Type:: Capstone Project
Full Text:: Journal of Water Resources Development, 15 (4): 387-427. Wright, D., G. McMurray, S. Breslow, J. Guyton

Risk Assessment of Salmonella in Raw Hazelnuts and use of Propylene Oxide as a Potential Mitigation Strategy

Creator:: Wright, Daniel G.
Abstract:: Multiple outbreaks of foodborne illness (Salmonella and E. coli O157:H7) have been associated with tree nuts and tree nut products since the early 2000s. In response to these outbreaks and many others in fresh produce and peanut butter, Congress created and passed the Food Safety Modernization Act (FSMA) to require...
Resource Type:: Masters Thesis
Full Text:: i AN ABSTRACT OF THE THESIS OF Daniel G. Wright

The effects of kernel feeding by brown marmorated stink bug (Halyomorpha halys: Hemiptera: Pentatomidae) on commercial hazelnuts (Corylus avellana L.)

Creator:: Hedstrom, Christopher S.
Abstract:: Halyomorpha halys (brown marmorated stink bug, Hemiptera: Pentatomidae), an invasive insect pest, has established populations in the Willamette Valley of Oregon. Halyomorpha halys is a potential pest of many specialty crops in the Willamette Valley, including hazelnuts (Corylus avellana L.). The objectives of this study were to 1) characterize the...
Resource Type:: Masters Thesis
Full Text:: Bug (Halyomorpha halys: AN ABSTRACT OF THE THESIS OF Christopher S. Hedstrom for the degree of

Development of High-Throughput Screening Methods to Determine Efficacy of “Clean-Label” Antifungals for Application on Cheese

Creator:: Jensen, Kristen
Abstract:: Cheese has been produced since ancient times and continues to be an important nutrient-dense staple in many diets around the world. Cheese quality is of high importance to consumers, and it is important for cheese producers to establish process controls to prevent and control cheese spoilage. Fungal spoilage is of...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Christopher Curtin Cheese has been produced since ancient times and continues to be an

Influence of Alarm Design on Response Time and Accuracy

Creator:: Read, Tyler M.
Abstract:: Increased automation and computerization have led to new demands and people are quickly transitioning to monitoring automated process and autonomous machines. Human oversight of automated process is important and desired, but people often require aid to navigate information from autonomous sources. An effective way to manage this information is with...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Christopher Sanchez Increased automation and computerization have led to new demands

ScholarsArchive@OSU

Modeling the Environmental Protection Agency's level IV ecoregions within the Klamath Mountains of southern Oregon and northern California

Modeling the Environmental Protection Agency's level IV ecoregions within the Klamath Mountains of Southern Oregon and Northern California : a Geographic Information System approach

A recurrent neural network implementation using the graphics processing unit

A novel landscape ecology approach for determining microhabitat correlations and faunal patchiness in extreme environments:pilot study for the Southern East Pacific Rise at 17-18° S

Detection of actinides via nuclear isomer de-excitation

The implementation of two distributed databases of water-related information

Risk Assessment of Salmonella in Raw Hazelnuts and use of Propylene Oxide as a Potential Mitigation Strategy

The effects of kernel feeding by brown marmorated stink bug (Halyomorpha halys: Hemiptera: Pentatomidae) on commercial hazelnuts (Corylus avellana L.)

Development of High-Throughput Screening Methods to Determine Efficacy of “Clean-Label” Antifungals for Application on Cheese

Influence of Alarm Design on Response Time and Accuracy

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