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Temperatures and compositions of magmas ascending beneath actively spreading mid-ocean ridges

Creator:: Scheidegger, Kenneth Fred
Resource Type:: Dissertation
Full Text:: - ed from the same areas. The presence of urthydrated glass shards in samples as old as 3.8 m. y. is

Spatial structure of the physical and biological distributions across the Antarctic Polar Front in austral spring and summer

Creator:: Howard, Cidney
Abstract:: Mesoscale surveys to examine the relationship between the physical processes and biological response along the Antarctic Polar Front (PF) were conducted as part of the US JGOFS Southern Ocean Program during austral spring and summer 1997/98. Multiple crossings of the PF near 170° W, using a towed undulating instrument, provided...
Resource Type:: Masters Thesis
Full Text:: privacy increased to 90 km in the cyclonic portion. Mixed layer depths were deep and averaged 200 m

Annual cycles of organic matter and phytoplankton attributes in the Columbia and Willamette Rivers, with reference to the Columbia River Estuary

Creator:: Sullivan, Barbara Elaine
Resource Type:: Masters Thesis
Full Text:: this thesis possible. I would like to extend my deepest gratitude to my co-advisors Fred Prahi and

Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters

Creator:: McCann-Grosvenor, Kristina
Abstract:: Rates of benthic O₂ exchange are important measurements for determining organic matter remineralization, and can shed light on factors driving biogeochemical processes in coastal environments. Measurement of in situ O₂ consumption and production within permeable sediments, such as those found over ~43% of the Oregon-Washington shelf, has traditionally been done...
Resource Type:: Masters Thesis
Full Text:: measurements were made at discrete times over a 7-month period at a 30 m site off Yaquina Head, Newport, OR

Submarine plateau volcanism and Cretaceous Ocean Anoxic Event 1a : geochemical evidence from Aptian sedimentary sections

Creator:: Walczak, Paul S.
Abstract:: Marine sediments exceptionally rich in organic carbon, known as black shales, occur globally but intermittently in well correlated Cretaceous successions. The presence of black shales indicates that sporadic, ocean-wide interruption of normal respiration of marine organic matter during oxygen-deficient conditions has occurred. Submarine volcanism on a massive scale, related to...
Resource Type:: Masters Thesis
Full Text:: had. Thanks also to Gary Klinkhammer and Fred Prahl for serving on my committee, providing great

Production and partitioning of organic matter during simulated phytoplankton blooms

Creator:: Wetz, Michael S.
Abstract:: Few studies have examined the partitioning of organic matter in upwelling systems, despite the fact that these systems play a key role in carbon and nitrogen budgets in the ocean. We examined the production and partitioning of phytoplankton-derived organic matter in deck incubations off Oregon during the upwelling season. During...
Resource Type:: Masters Thesis
Full Text:: also thank my committee members, Ricardo Letelier, Evelyn Sherr, and Fred Prahl, for their willingness

Blue whale (Balaenoptera musculus) vocalizations recorded in the North Pacific Ocean : geographic, seasonal and diel variation

Creator:: Stafford, Kathleen Mary
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Kathleen M. Stafford for the

The distribution and partitioning of dissolved organic matter off the Oregon Coast : a first look

Creator:: Hill, Jon K.
Abstract:: The purpose of this thesis is to provide a first look at the spatial and temporal distributions of dissolved organic material (DOM) off the Oregon coast of North America. While this paper is not a comprehensive examination of these distributions, several patterns are identified as promising candidates for continued research....
Resource Type:: Masters Thesis
Full Text:: other members of my thesis committee, Fred Prahl. Dawn Wright. and Phillip Brownell: for their time

Life history and ecology of Calanus marshallae Frost in the Oregon upwelling zone

Creator:: Peterson, William T.
Resource Type:: Dissertation
Full Text:: above 20 m and onshore below 20 m over most of the continental shelf. Off- shore flow from the

Phosphorus physiology and environmental forcing of oceanic cyanobacteria, primarily Trichodesmium spp.

Creator:: White, Angelicque E.
Abstract:: The biological transformation of dinitrogen gas (N2) into combined forms(termed N2 fixation) by certain genera of oceanic cyanobacteria represents the largest incoming flux of nitrogen to the global ocean. As such, biological nitrogen fixation plays a significant role in the regulation of oceanic productivity and the export of carbon and...
Resource Type:: Dissertation
Full Text:: Chapters 2-4. Ricardo M. Letelier also contributed to the design of Chapter 5. Fred Prahl and Brian Popp

ScholarsArchive@OSU

Temperatures and compositions of magmas ascending beneath actively spreading mid-ocean ridges

Spatial structure of the physical and biological distributions across the Antarctic Polar Front in austral spring and summer

Annual cycles of organic matter and phytoplankton attributes in the Columbia and Willamette Rivers, with reference to the Columbia River Estuary

Eddy correlation benthic O₂ exchange rates and characterizations of sediment properties from the central Oregon shelf at 30 meters

Submarine plateau volcanism and Cretaceous Ocean Anoxic Event 1a : geochemical evidence from Aptian sedimentary sections

Production and partitioning of organic matter during simulated phytoplankton blooms

Blue whale (Balaenoptera musculus) vocalizations recorded in the North Pacific Ocean : geographic, seasonal and diel variation

The distribution and partitioning of dissolved organic matter off the Oregon Coast : a first look

Life history and ecology of Calanus marshallae Frost in the Oregon upwelling zone

Phosphorus physiology and environmental forcing of oceanic cyanobacteria, primarily Trichodesmium spp.

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