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Influence of organic matter on the geotechnical properties and consolidation characteristics of northern Oregon continental slope sediments

Creator:: McDonald, William P.
Resource Type:: Masters Thesis
Full Text:: gratefully acknowledge the support of my major professor, Dr. George Keller, for his patience and help over

The physical properties, consolidation behavior, and stability of the sediments of the Peru-Chile continental margin

Creator:: Busch, William H.
Resource Type:: Dissertation
Full Text:: : / George H. Keller Coastal upwelling markedly influences sediment physical properties along the Peru

Geochemistry of quaternary, rift-related volcanism in the Bransfield Strait, Antarctica

Creator:: Keller, Randall Arthur
Abstract:: The Bransfield Strait is the narrow, late Tertiary to Quaternary marginal basin separating the South Shetland Islands from the northern end of the Antarctic Peninsula magmatic arc. Quaternary volcanism in the strait is tholeiitic to mildly alkaline, and contrasts chemically with the pre-Quaternary calc-alkaline arc volcanism. Geochemical evidence presented here...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Randall A. Keller for the degree

Pivoting angles of gravel with applications in sediment threshold studies

Creator:: Li, Zhenlin
Resource Type:: Masters Thesis
Full Text:: Applications In Sediment Threshold Studies Ab s t r a c t App r o v e d: Paul D. Komar Previous studies

Sedimentary organic matter : distribution and alteration processes in the coastal upwelling region off Peru

Creator:: Reimers, Clare E.
Abstract:: Recent organic-rich deposits on the Peru continental margin occur along the upper slope (100-450 m) between about ll°S and 16°S and along the lower continental slope (>2000 m). The upper slope deposits reflect high biological production in response to coastal upwelling, but preservation of organic matter is enhanced by the...
Resource Type:: Dissertation
Full Text:: major organic fraction (>60%) of the Peru sediments. Proto-kerogen 0/C and H/C ratios were found to be

Determination of unsaturation-, growth phase-, and growth rate-dependent hydrogen isotopic fractionation in C₃₇ alkenones produced by Emiliania huxleyi

Creator:: Wolhowe, Matthew D.
Abstract:: Recent works have investigated use of the hydrogen isotopic composition of C₃₇ alkenones (δD[subscript K37s]), lipid biomarkers of certain haptophyte microalgae, as an independent paleosalinity proxy. I discuss herein the factors impeding such an application and identify the potential alternative use of δD[subscript K37s] measurements as a proxy for non-thermal,...
Resource Type:: Masters Thesis
Full Text:: Alan C. Mix Recent works have investigated use of the hydrogen isotopic composition of C37

The electrical conductivity of Atlantic type pyromagmas from Mount Etna, Sicily

Creator:: Mathews, Frank Samuel
Abstract:: The electrical conductivity of the pyromagmas from the Northeast Crater of Mount Etna, Sicily was measured over the temperature range 1032°C to 1071°C and over the frequency range 1 kHz to 400 kHz. Measurements were made using a four-terminal Wenner array in conjunction with a Wavetek Model 110B portable signal...
Resource Type:: Dissertation
Full Text:: temperature range 1032°C to 1071°C and over the frequency range 1 kHz to 400 kHz. Measurements were made

Primary production dynamics in the North Pacific subtropical gyre

Creator:: Corno, Guido
Abstract:: The North Pacific subtropical gyre (NPSG), once considered to be a biological desert due to low primary production (PP) and its associated variability, has been found more productive and variable than previously thought. The environmental conditions controlling this relatively high PP variability are yet to be elucidated, despite important implications...
Resource Type:: Dissertation
Full Text:: regarding the role of this large oceanic region in the global C- cycle and marine trophic dynamics. In

Hydrothermal activity along the northern Mid-Atlantic Ridge and in the Bransfield Strait backarc basin, Antarctica

Creator:: Chin, Carol Sue
Resource Type:: Dissertation
Full Text:: thank my family, Randy Keller, who proved to me that Corvallis isn't such a bad place after all, and

The Responses of Slope-spawning Flatfish to Environmental Variability in the Eastern Bering Sea

Creator:: Vestfals, Cathleen D.
Abstract:: When adult spawning and juvenile settling locations of marine fishes are geographically separated, their early life history stages must rely on transport and their own behavior to move them toward suitable habitats for successful recruitment to the juvenile phase. Variations in climate may reduce the availability of spawning and juvenile...
Resource Type:: Dissertation
Full Text:: approximately 1°C. The effect of temperature was not as prominent along the slope, suggesting that slope

ScholarsArchive@OSU

Influence of organic matter on the geotechnical properties and consolidation characteristics of northern Oregon continental slope sediments

The physical properties, consolidation behavior, and stability of the sediments of the Peru-Chile continental margin

Geochemistry of quaternary, rift-related volcanism in the Bransfield Strait, Antarctica

Pivoting angles of gravel with applications in sediment threshold studies

Sedimentary organic matter : distribution and alteration processes in the coastal upwelling region off Peru

Determination of unsaturation-, growth phase-, and growth rate-dependent hydrogen isotopic fractionation in C₃₇ alkenones produced by Emiliania huxleyi

The electrical conductivity of Atlantic type pyromagmas from Mount Etna, Sicily

Primary production dynamics in the North Pacific subtropical gyre

Hydrothermal activity along the northern Mid-Atlantic Ridge and in the Bransfield Strait backarc basin, Antarctica

The Responses of Slope-spawning Flatfish to Environmental Variability in the Eastern Bering Sea

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