Index Catalog // ScholarsArchive@OSU

Stephen Biko's Rhetorical Vision of Black Consciousness

Creator:: Fergusson, Julie K.
Abstract:: Stephen Biko was a black leader in South Africa who died in police custody on September 12, 1977. Biko's death echoed within the Republic of South Africa and around the world, showing that racial tensions in that country were severe. At his death he was a hero to the black...
Resource Type:: Masters Thesis
Full Text:: Stephen Biko's rhetorical vision of black consciousness AN

Temporal and spatial variability of groundwater nitrate in the southern Willamette Valley of Oregon

Creator:: Mutti, Jeffrey Glenn
Abstract:: Groundwater nitrate contamination is a well-documented issue in the Southern Willamette Valley (SWV) of Oregon, as a Groundwater Management Area (GWMA) has recently been declared. As a GWMA, groundwater nitrate monitoring must occur until regional concentrations are below 7 mg/L NO3-N. However, the presence of temporal variability can make it...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Jeffrey Glenn Mutti for

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:: : ______________________________________________________ Stephen A. Fitzgerald Bogdan M. Strimbu Forest species classifications are becoming

Transformation of Western Hemlock Tree Crowns by Dwarf Mistletoe

Creator:: Calkins, Stephen J.
Abstract:: Hemlock dwarf mistletoe (Arceuthobium tsugense subsp. tsugense) is an arboreal, hemiparasitic plant that principally parasitizes western hemlock (Tsuga heterophylla). Hemlock dwarf mistletoe exerts a profound influence on infected trees that can drastically change the structure of the tree crown due to reduced growth, top dieback, branch deformation and death, resulting...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Stephen John Calkins for the degree of Master of Science in Sustainable

Sensitivity and Partitioning in Remote Sensing Based Evapotranspiration Models

Creator:: Talsma, Carl J.
Abstract:: Satellite Based evapotranspiration (ET) models have become a dominant means to estimate large-scale surface fluxes of water. Global and regional ET estimates are important parameters in many climate forecasts and hydrologic models. However, large scale partitioning of ET into soil evaporation, transpiration, and canopy interceptions remains largely unknown and modeled...
Resource Type:: Masters Thesis
Full Text:: Stephen P. Good Satellite Based evapotranspiration (ET) models have become a dominant means

Assessing the sustainability of management practices for planted forests across an environmental gradient in New Zealand

Creator:: Kiyvyra, Alicia L.
Abstract:: Sustainable management of planted forests requires maintenance of soil function to promote 1) root growth; 2) storage and cycling of water and nutrients; 3) optimal gas exchange; and 4) biological activity. Soil quality measurements can be used to monitor short- and long-term changes in these soil functions, allowing managers to...
Resource Type:: Dissertation
Full Text:: :___________________________________________________ Stephen H. Schoenholtz Sustainable management of planted forests requires maintenance of

Environmental impacts on native bumble bee pollinators in an agricultural landscape of western Oregon

Creator:: Skyrm, Kimberly M.
Abstract:: Bumble bees provide vital pollination services in both native and agricultural landscapes. However, in recent years, bumble bee populations have experienced global population declines. The primary causes of these declines have been attributed to the environmental impacts of pathogens, pesticide use and habitat fragmentation. While research has examined the impacts...
Resource Type:: Dissertation
Full Text:: like to extend my sincere thanks to Bill Stephen who has offered his time, energy and encouragement to

Detecting medusahead (Taeniatherum caput-medusae (L.) Nevski) using high frequency, sequential, globally positioned digital images

Creator:: Ndzeidze, Stephen Koghan
Abstract:: Invasive plant species are expanding and transforming vegetative communities across Oregon and throughout the United States. Over the past three decades remote sensing, geographic information system (GIS), and Global Positioning System (GPS) technologies have been integrated to detect and map the distribution of noxious rangeland plants. This study developed low-cost...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Stephen Koghan

Pseudo-spectral approximations of Rossby and gravity waves in a two-Layer fluid

Creator:: Wolfkill, Karlan Stephen
Abstract:: The complexity of numerical ocean circulation models requires careful checking with a variety of test problems. The purpose of this paper is to develop a test problem involving Rossby and gravity waves in a two-layer fluid in a channel. The goal is to compute very accurate solutions to this test...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Karlan Stephen Wolfkill for

Range-use estimation and encounter probability for juvenile Steller sea lions (Eumetopias jubatus) in the Prince William Sound-Kenai Fjords region of Alaska

Creator:: Meck, Stephen R.
Abstract:: Range, areas of concentrated activity, and dispersal characteristics for juvenile Steller sea lions Eumetopias jubatus in the endangered western population (west of 144° W in the Gulf of Alaska) are poorly understood. This study quantified space use by analyzing post-release telemetric tracking data from satellite transmitters externally attached to n...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Stephen R. Meck for the degree of Master of Science in Wildlife

ScholarsArchive@OSU

Stephen Biko's Rhetorical Vision of Black Consciousness

Temporal and spatial variability of groundwater nitrate in the southern Willamette Valley of Oregon

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

Transformation of Western Hemlock Tree Crowns by Dwarf Mistletoe

Sensitivity and Partitioning in Remote Sensing Based Evapotranspiration Models

Assessing the sustainability of management practices for planted forests across an environmental gradient in New Zealand

Environmental impacts on native bumble bee pollinators in an agricultural landscape of western Oregon

Detecting medusahead (Taeniatherum caput-medusae (L.) Nevski) using high frequency, sequential, globally positioned digital images

Pseudo-spectral approximations of Rossby and gravity waves in a two-Layer fluid

Range-use estimation and encounter probability for juvenile Steller sea lions (Eumetopias jubatus) in the Prince William Sound-Kenai Fjords region of Alaska

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