Index Catalog // ScholarsArchive@OSU

Phytoplankton shading of marine benthic macrophytes: Implications for intertidal community structure

Creator:: Kavanaugh, Maria T.
Abstract:: Previous observations of light levels and phytoplankton abundances along the Oregon coast demonstrated that phytoplankton attenuated light sufficiently to potentially limit the growth of intertidal macrophytes and therefore structure local intertidal communities. Inspired by this observation, in spring 2004, I initiated a study to quantify the direct and indirect benthic...
Resource Type:: Masters Thesis
Full Text:: included Dr. Karina Nielsen, my minor professors- Dr. Ricardo Letelier (Oceanography) and Dr. Lisa Madsen

Characterizing the response of coralline algae to ocean acidification and nutrient changes in the California Current system

Creator:: Letzing, Sandy
Abstract:: Ocean acidification (OA) has emerged as an important focus of research and policy in this decade. Ocean acidification specifically refers to changes in the inorganic carbon system in the ocean resulting from its absorption of human-released CO₂ from the atmosphere. Anthropogenic atmospheric CO₂ levels are rapidly increasing; much of this...
Resource Type:: Masters Thesis
Full Text:: helping me, Karina Nielson, Rick Colwell and GCR Sally Hacker. Your time, input and guidance were

Partitioning of rare earth and high field strength elements between pargasitic amphibole and silicate melts

Creator:: Hilyard, Mark D.
Resource Type:: Masters Thesis
Full Text:: Strength Elements Between Pargasitic Amphibole and Silicate Melts. Abstract approved: Roger Nielsen

Effects of Instructional Design and Emotional State on Performance, Mediated by Interest and Attention

Creator:: Suarez, Karina
Abstract:: This study seeks to determine the effect of instructional design and emotional state on performance, considering interest and attention as mediators. To identify this effect, a Structural Equation Model (SEM) is applied to analyze individual performance based on five variables: information representation, emotional state, pupil size, alpha power, and task...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Karina Suarez for

Fisherman versus management : perceptions and conflicts in the salmon fishery

Creator:: Mrakovcich, Karina Lorenz
Abstract:: Fishermen's and managers' perceptions of fishery issues are an important factor to consider when studying conflicts between the two groups. According to theories of conflict management, differences in perceptions may cause situations to be characterized by misunderstanding and mistrust, and may add to the difficulties in managing the conflict. A...
Resource Type:: Masters Thesis
Full Text:: the salmon fishery AN ABSTRACT OF THE THESIS OF Karina Lorenz Mrakovcich for the degree of Master

Experimental determination of the temperature and compositional dependences of rare earth element, Y, and Sc partitioning between high-Ca clinopyroxene and natural mafic to intermediate silicate melts

Creator:: Gallahan, William E.
Resource Type:: Masters Thesis
Full Text:: L. Nielsen To understand the differentiation of magmatic systems it is necessary to know the

The provenance and trace element signatures of MORB anorthitic plagioclase

Creator:: Burleigh, Andrew W.
Abstract:: In an attempt to understand the phase equilibria and petrogenesis of MORB anorthitic plagioclase, Cr-spinel commonly hosted within anorthitic plagioclase has been investigated petrographically and compositionally. Based on spinel-anorthite relationships from three samples of plagioclase ultra-phyric basalt (PUB; Southeast Indian Ridge, Axial Seamount and West Valley Segment, Juan de Fuca...
Resource Type:: Masters Thesis
Full Text:: Plagioclase Abstract approved: Roger L. Nielsen Frank J. Tepley III In an attempt to understand the

Analysis of the processing and characterization of p-type CuScO₂ thin films

Creator:: Nielsen, Benjamin C.
Abstract:: Two different doping techniques, oxygen intercalation and Mg cation substitution, were investigated in thin film p-type CuScO₂, a wide band gap semiconductor with the delafossite structure. Films rf-sputtered onto amorphous SiO₂ substrates were polycrystalline after post-deposition annealing. X-ray diffraction was used to determine that the films are predominantly polycrystalline 3R...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Benjamin C. Nielsen for the degree

Americium and plutonium in water, biota, and sediment from the central Oregon coast

Creator:: Nielsen, Reinald Dreas
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF REINALD DREAS NIELSEN for the

An assessment of describing function methods applied to reactor fuel performance analysis

Creator:: Nielsen, Larry H.
Abstract:: Large digital computer reactor fuel performance codes perform repeated calculations of temperature profiles during transients. The thermal response is required to calculate the mechanical behavior. This mechanical response in turn feeds back to the thermal calculations through mechanisms such as fuel swelling or shrinking, causing changes in the fuel-clad gap...
Resource Type:: Masters Thesis
Full Text:: reactor fuel performance analysis AN ABSTRACT OF THE THESIS OF Larry H. Nielsen for the degree of

ScholarsArchive@OSU

Phytoplankton shading of marine benthic macrophytes: Implications for intertidal community structure

Characterizing the response of coralline algae to ocean acidification and nutrient changes in the California Current system

Partitioning of rare earth and high field strength elements between pargasitic amphibole and silicate melts

Effects of Instructional Design and Emotional State on Performance, Mediated by Interest and Attention

Fisherman versus management : perceptions and conflicts in the salmon fishery

Experimental determination of the temperature and compositional dependences of rare earth element, Y, and Sc partitioning between high-Ca clinopyroxene and natural mafic to intermediate silicate melts

The provenance and trace element signatures of MORB anorthitic plagioclase

Analysis of the processing and characterization of p-type CuScO₂ thin films

Americium and plutonium in water, biota, and sediment from the central Oregon coast

An assessment of describing function methods applied to reactor fuel performance analysis

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