Index Catalog // ScholarsArchive@OSU

A paleogeochemical investigation of ferromanganese oxyhydroxides from the Mendocino Ridge using laser ablation inductively-coupled plasma mass spectrometry (LA ICP-MS)

Creator:: Hubbard, Dale A.
Abstract:: Solid phases that form under the influence of changing environmental conditions often record such changes in their chemical composition. Quantification of these compositional variations is invaluable in reconstructing paleoenvironmental changes. Laser ablation, employed as a solid sample introduction system, offers fine spatial resolution (50 - 250 [mu]m) for spectroscopic analysis...
Resource Type:: Masters Thesis

The M₂ Internal Tide off Oregon: Inferences from Data Assimilation

Creator:: Kurapov, Alexander L., Egbert, Gary D., Allen, J. S., Miller, Robert N., Erofeeva, Svetlana Y., and Kosro, P. M.
Abstract:: A linearized baroclinic, spectral-in-time tidal inverse model has been developed for assimilation of surface currents from coast-based high-frequency (HF) radars. Representer functions obtained as a part of the generalized inverse solution show that for superinertial flows information from the surface velocity measurements propagates to depth along wave characteristics, allowing internal...
Resource Type:: Article
Full Text:: . M. KOSRO College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, Oregon

The role of dissolved organic matter release in the productivity of the oligotrophic North Pacific Ocean

Creator:: Karl, David M., Hebel, Dale V., Björkman, K., and Letelier, Ricardo M.
Abstract:: Based on a long-term set of observations and measurements at a station in the subtropical North Pacific Ocean, it now appears that contemporaneous rates of primary production in low-nutrient open ocean regions and perhaps in the ocean as a whole may be greater than had been considered in field studies...
Resource Type:: Article
Full Text:: KARL, DAVID M., DALE V. HEBEL, K. BJÖRKMAN, AND R. M. LETELIER

The Hydraulics of an Evolving Upwelling Jet Flowing around a Cape

Creator:: Dale, Andrew C. and Barth, John A.
Abstract:: Upwelling jets flow alongshore in approximate geostrophic balance with the onshore pressure gradient induced by coastal upwelling. Observations of such jets have shown that they often move offshore downstream of capes, leaving a pool of upwelled water inshore. Comparisons are made between this behavior and the hydraulic transition of a...
Resource Type:: Article
Full Text:: Upwelling Jet Flowing around a Cape ANDREW C. DALE AND JOHN A. BARTH College of Oceanic and Atmospheric

The front on the Northern Flank of Georges Bank in spring : 2. Cross-frontal fluxes and mixing

Creator:: Ullman, David S., Dale, Andrew C., Hebert, Dave, and Barth, John A.
Abstract:: Hydrographic observations made with an undulating vehicle carrying a CTD and concurrent shipboard ADCP velocity observations over a 12‐day period are combined to investigate vertical mixing and cross‐frontal fluxes on the Northern Flank of Georges Bank. The CTD density time series is analyzed to detect the presence of vertical overturns,...
Resource Type:: Article
Full Text:: spring: 2. Cross-frontal fluxes and mixing David S. Ullman,1 Andrew C. Dale,2 Dave Hebert,1 and John A

Current meter data from the Samoan Passage experiment : world ocean circulation experiment current meter array PCM-11 : September 1992-February 1994

Creator:: Pillsbury, R. Dale, Rudnick, Daniel L., Bottero, J. M., Pittock, G., Root, D. C., Simpkins, J., III., and Still, R. E.
Abstract:: The Samoan Passage experiment was designed to determine the northward transport of abyssal water through the Samoan Passage (l0°S, 170°W). This topographic constriction forms the major connection for deep (>4000 m) interbasin flow between hemispheres in the Pacific (Figure 1). This report presents current meter data from the six subsurface...
Resource Type:: Technical Report
Full Text:: 10°S 15°S 15°S 20°S 20°S 175°E 180°E 175°W 170°W 165°W 160°W 155°W 150°W 145°W by R. Dale

Benguela Source and Transport Project (BEST) : current measurements off the coast of South Africa : WOCE ACM-4, June 1992-October 1993

Creator:: Pillsbury, R. Dale, Bottero, J. M., Pittock, Glenna, Root, D. C., Simpkins, J., III, and Still, Robert E.
Abstract:: The BEST (Benguela Source and Transport) project was designed to investigate the form of the Benguela Current and ratio of the Aguhlhas Current and South Atlantic Current source waters masses. The transport of the Benguela Current and its variability was measured by a moored array of instruments, inverted echo sounders...
Resource Type:: Technical Report
Full Text:: off the Coast of South Africa. WOCE ACM-4. 0 June 1992 - October 1993 1 1 t I by R. Dale

The cross-equatorial structure of tropical instability waves in sea surface height

Creator:: Lyman, John M.
Abstract:: A linearized model with two vertical modes has been developed to understand observed characteristics of monthly variability in the Equatorial Pacific from TOPEX/POSEIDON measurements of Sea Surface Height (SSH). The 2-mode model is obtained from an equatorial beta plane model that has been linearized about a geostrophically balanced mean flow...
Resource Type:: Dissertation
Full Text:: Instability Waves in Sea Surface Height by John M. Lyman A DISSERTATION submitted to Oregon State

Deep western boundary currents in the southwestern Pacific Ocean : WOCE PCM-9 : February 1991-December 1992

Creator:: Pillsbury, R. Dale, Barstow, D., Bottero, J. M., Pittock, G., Root, D. C., Simpkins, J., III, Still, R. E., and Whitworth, T., III
Abstract:: This report describes current meter measurements from an experiment to measure the deep western boundary current that carries dense water from the Antarctic to the Pacific Ocean. The field measurements were conducted as part of a joint two year experiment by Oregon State University, Texas A&M University, Woods Hole Oceanographic...
Resource Type:: Technical Report
Full Text:: Pacific Ocean WOCE PCM-9 February 1991 - December 1992 by R. Dale Pillsbury, D. Barstow, J. M. Bottero

High-frequency measurements of total CO₂ : Method development and first oceanographic observations

Creator:: Bandstra, Leah M.
Abstract:: As concern grows about the long-term effects of increasing atmospheric CO₂ concentrations, it becomes increasingly important to understand the cycling of carbon on Earth, particularly in the dynamic marine reservoir. Gas exchange and relatively rapid ocean mixing times mean that the oceans play a significant role in determining the atmospheric...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Leah M. Bandstra for the degree of

ScholarsArchive@OSU

A paleogeochemical investigation of ferromanganese oxyhydroxides from the Mendocino Ridge using laser ablation inductively-coupled plasma mass spectrometry (LA ICP-MS)

The M₂ Internal Tide off Oregon: Inferences from Data Assimilation

The role of dissolved organic matter release in the productivity of the oligotrophic North Pacific Ocean

The Hydraulics of an Evolving Upwelling Jet Flowing around a Cape

The front on the Northern Flank of Georges Bank in spring : 2. Cross-frontal fluxes and mixing

Current meter data from the Samoan Passage experiment : world ocean circulation experiment current meter array PCM-11 : September 1992-February 1994

Benguela Source and Transport Project (BEST) : current measurements off the coast of South Africa : WOCE ACM-4, June 1992-October 1993

The cross-equatorial structure of tropical instability waves in sea surface height

Deep western boundary currents in the southwestern Pacific Ocean : WOCE PCM-9 : February 1991-December 1992

High-frequency measurements of total CO₂ : Method development and first oceanographic observations

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