Index Catalog // ScholarsArchive@OSU

Model development via delay extraction for the time-domain simulation of lossy transmission lines.

Creator:: Blevins, Chris
Abstract:: This thesis presents two new approaches for the broadband, time-domain modeling of lossy transmission lines. Each approach is based on an alternative derivation of delay extraction in order to separate the line's linear phase from its attenuation and dispersion. Augmentation networks represent the derived attenuation networks as rational function approximations....
Resource Type:: Masters Thesis
Full Text:: Chris Blevins for the degree of Master of Science in Electrical and Computer Engineering presented on

Integration of conservation tilage and cover crops in broccoli production systems of the Pacific Northwest

Creator:: O'Brien, Timothy John
Abstract:: Field and greenhouse experiments were conducted in 1996 and 1997 to evaluate the effects of integrating conservation tillage and cover cropping on broccoli production as well as agroecological parameters. A field experiment was conducted during 1996-97 at the Oregon State University Horticulture Research farm near Corvallis, OR. The specific objectives...
Resource Type:: Masters Thesis
Full Text:: and Chris O'Brien for sacrificing all that they have so that I may have the chance to pursue my

Soil quality dynamics in an integrated reduced-tillage and cover-cropped vegetable agroecosystem

Creator:: Banners, Candace R.
Abstract:: Soil response and function were investigated following the adoption of an integrated reduced-tillage and cover-cropped vegetable system in the Willamette Valley of Western Oregon. The experiment was conducted over three cropping seasons (2002-2004) at the Oregon State University Vegetable Research Farm (Corvallis, OR). The design was a randomized complete-block with...
Resource Type:: Masters Thesis
Full Text:: Washburn, Sire Diedhiou, Ekwe Dossa, Leigh Winowiecki, Wes Bascom, Dirk Richcreek, and Chris Russo

Use of Landscape Characteristics to Quantify Hybridization Risk Between Native and Introduced Salmonids

Creator:: Manning, Michael A.
Abstract:: The introduction of non-native species can negatively impact native species through reduced genetic fitness resulting from hybridization. The lack of spatiotemporal data of hybrids occurrences makes assessing hybridization risk difficult. Here, I developed a spatially-explicit GIS Hybridization Risk Model (HRM) between native ESA-listed Bull Trout and introduced Brook Trout by...
Resource Type:: Masters Thesis

Deposition and characterization of transition metal oxides from aqueous solution

Creator:: Betterton, Sharon A.
Abstract:: The aqueous chemistries of two transition metal cations, Zr⁴⁺ and Nb⁵⁺, are examined and then used to develop inorganic precursor solutions. The oxides of these cations (ZrO₂ and Nb₂O₅) are deposited and characterized, and their morphological and optical properties discussed. Due to the obstacles created by niobium's aqueous chemistry, an...
Resource Type:: Masters Thesis
Full Text:: . My current colleagues also deserve more than paltry appreciation: Chris Knutson, for putting up

Nitrogen dynamics across silvicultural canopy gaps in young forests of western Oregon

Creator:: Thiel, Aaron L.
Abstract:: Silvicultural canopy gaps are emerging as an alternative management tool to accelerate development of complex forest structure in young, even-aged forests of the Pacific Northwest. I investigated patterns of nitrogen (N) availability along transects through 0.1 and 0.4 ha silvicultural gaps in three 50-70 year old Douglas-fir forests of western...
Resource Type:: Masters Thesis
Full Text:: group, particularly lab-manager-extraordinaire, Chris Catricala. I owe a lot of blood and tears to

Decomposition and nitrogen dynamics of red alder and Douglas-fir leaf litter in Oregon Coast Range riparian forests

Creator:: Matkins, Joselin
Abstract:: I examined factors regulating decomposition rates of red alder (Alnus rubra)) and Douglas-fir (Pseudotsuga menziesii) leaf litter in Coast Range riparian areas in western Oregon. Overall, this study was designed to examine the influence that leaf litter quality characteristics and decomposition site treatment have on decomposition rates, to provide a...
Resource Type:: Masters Thesis
Full Text:: for their important contributions to this work. From the Perakis Lab, I want to thank Chris

Role of IL-8 and TIMP-2 on term canine trophoblast migration, invasion, and proliferation

Creator:: Gullaba, Justine Marie
Abstract:: Placental pathologies are not uncommon in dogs. For example, in primiparous bitches, the reported incidence of subinvolution of placental sites is 21% - 100%. Despite years of research in multiple species, the mechanisms regulating late gestation trophoblast behavior in the dog remain unexamined. Therefore, the objective of this study was...
Resource Type:: Masters Thesis
Full Text:: Scully, and Chris Holenstein for providing placental tissue, David Mandrell for time-lapse photography

An Assessment of the Policy Narrative Strategies of the Pro- and Anti-dam Removal Groups, in the Klamath River Basin, over the 2001-2020 Time Frame

Creator:: Yigit, Abdullah
Abstract:: The Klamath River Basin (KRB) is one of the most contested basins of the Western U.S. with respect to water. Multiple stakeholders, including Tribes, farmers, state and federal agencies, and environmental advocates, are in frequent conflict over water rights and water use. Removal of the four hydroelectric dams is one...
Resource Type:: Masters Thesis
Full Text:: Oregon, expresses his opposition to dam removal in his letter to Chris Stein, Hydroelectric Specialist

ScholarsArchive@OSU

Model development via delay extraction for the time-domain simulation of lossy transmission lines.

Integration of conservation tilage and cover crops in broccoli production systems of the Pacific Northwest

Soil quality dynamics in an integrated reduced-tillage and cover-cropped vegetable agroecosystem

Use of Landscape Characteristics to Quantify Hybridization Risk Between Native and Introduced Salmonids

Deposition and characterization of transition metal oxides from aqueous solution

Nitrogen dynamics across silvicultural canopy gaps in young forests of western Oregon

Decomposition and nitrogen dynamics of red alder and Douglas-fir leaf litter in Oregon Coast Range riparian forests

Role of IL-8 and TIMP-2 on term canine trophoblast migration, invasion, and proliferation

An Assessment of the Policy Narrative Strategies of the Pro- and Anti-dam Removal Groups, in the Klamath River Basin, over the 2001-2020 Time Frame

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