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Filtering by: Subject Ocean-atmosphere interaction -- Mathematical models Remove constraint Subject: Ocean-atmosphere interaction -- Mathematical models Academic Affiliation College of Oceanic and Atmospheric Sciences Remove constraint Academic Affiliation: College of Oceanic and Atmospheric Sciences

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Surface wind modification near mid-latitude ocean fronts : observational and dynamical analysis

Creator:

O'Neill, Larry W.

Abstract:

Interactions between surface winds and meanders in mid-latitude sea surface temperature (SST) fronts with horizontal length scales of 100-1000 km are investigated from satellite observations and numerical simulations. Observations from the Sea- Winds scatterometer on the QuikSCAT satellite show that the magnitude, direction, curl, and divergence of the surface wind...

Resource Type:

Dissertation

Full Text:

. . . . . . . . 74 3.6 Spatial and temporal variability of the ocean-atmosphere coupling . . 75 3.7 Spatial lags in
Numerical and assimilative studies of the equatorial Pacific cold tongue

Creator:

Perez, Renellys Christine

Abstract:

Numerical model and assimilation experiments were conducted in the tropical Pacific Ocean to obtain a better understanding of the processes that control the cold tongue surface mixed layer temperature balance during August 1999 to July 2004. The numerical model was first applied to test two hypotheses (asymmetric background currents and...

Resource Type:

Dissertation

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Numerical model and assimilation experiments were conducted in the tropical Pacific Ocean to obtain a
Long-term momentum and heat balances and turbulent mixing in the upper equatorial Pacific Ocean

Creator:

Luan, Shusheng

Resource Type:

Dissertation
An empirical statistical model relating winds and ocean surface currents : implications for short-term current forecasts

Creator:

Zelenke, Brian Christopher

Abstract:

An empirical statistical model is developed that relates the non-tidal motion of the ocean surface currents off the Oregon coast to forecasts of the coastal winds. The empirical statistical model is then used to produce predictions of the surface currents that are evaluated for their agreement with measured currents. Measurements...

Resource Type:

Masters Thesis

Full Text:

An Empirical Statistical Model Relating Winds and Ocean
Modeling studies of ocean circulation using inverse methods and bifurcation theory

Creator:

Vernieres, Guillaume

Abstract:

We present a study of the ocean circulation using state of the art numerical and data assimilation techniques. The second chapter of the thesis presents the development and application of generalized inversion to a simple dynamical model of Lake Kinneret. The intent was to develop the necessary tools to implement...

Resource Type:

Dissertation

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ranging from simple linear layer type of dynamics to the implementation of the Princeton Ocean Model
Field validation of a nearshore circulation model for alongshore-nonuniform flows

Creator:

Wilson, Gregory W.

Abstract:

We investigate, theoretically and experimentally, the problem of modeling depth-integrated (2DH) surf zone circulation on an alongshore-nonuniform natural beach, with waves approaching from an arbitrary angle. An approximate theoretical model is developed, which captures the important effect of advection in the alongshore dynamics, and shows that a nondimensional parameter Re[subscript]s...

Resource Type:

Masters Thesis

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Nearshore Circulation Model for Alongshore-Nonuniform Flows Abstract approved: H. Tuba Özkan-Haller
Unstable jet flow along zonal ridge topography

Creator:

Witter, Donna Lynn

Abstract:

Motivated by observations of locally enhanced sea level variability near steep topographic slopes in regions of strong time-mean flows, effects of zonal ridge topography on zonal oceanic jet flow are investigated. Unstable wave properties and the dynamics of eddy-mean flow interaction are evaluated as a function of topographic geometry using...

Resource Type:

Dissertation
Shear and convective turbulence in a model of thermohaline intrusions

Creator:

Mueller, Rachael

Abstract:

Thermohaline interleaving is an important mechanism for laterally fluxing salt, heat, and nutrients between oceanic water masses. Interleaving is driven by a release of potential energy resulting from the vastly differing diffusivities of heat and salt in seawater. The flows are composed of stacked intrusions that flux more buoyant and...

Resource Type:

Masters Thesis

Full Text:

Turbulence in a Model of Thermohaline Intrusions Abstract approved: William D. Smyth Thermohaline
The time-averaged circulation of the north Pacific Ocean : an analysis based on inverse methods

Creator:

Zaron, Edward D.

Abstract:

The time-averaged velocity field in the North Pacific was estimated in two sets of inverse calculations. The planetary geostrophic equations were the basis for dynamical models of the flow in each case. The inverse estimates of the circulation were obtained by minimizing a positive-definite cost function, which measured the inconsistency...

Resource Type:

Dissertation

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with "testing" an ocean model; in practice, this involves comparing the prediction from such a model
Dynamic instability of stratified shear flow in the upper equatorial Pacific

Creator:

Sun, Chaojiao

Resource Type:

Dissertation

Full Text:

to solve this problem are: 3 To model the ocean conditions using measurements to retain complex

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Academic Affiliation

College of Oceanic and Atmospheric Sciences[remove]13

Advisor

Miller, Robert N.2
Allen, John S.1
Bennett, Andrew F.1
Chelton, Dudley1
Chelton, Dudley B.1
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1994 to 2009

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Committee Member

Samelson, Roger2
Strub, P. Ted2
Adams, Richard M.1
Aitken, Sally1
Allen, John1
more Committee Members »

Creator

Cervantes, Brandy T.1
Luan, Shusheng1
Mesias, Jorge M.1
Mueller, Rachael1
O'neill, Larry W.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1993 to 2009

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Decade

2000-20099
1990-19994

Degree Field

Oceanography13

Degree Level

Doctoral10
Master's3

Degree Name

Doctor of Philosophy (Ph.D.)10
Master of Science (M.S.)3

File Format

application/pdf3

Language

English [eng]13

License

All rights reserved7

Non-Academic Affiliation

Oregon State University. Graduate School13

Peer Reviewed

No13

Resource Type

Dissertation10
Masters Thesis3

Rights Statement

In Copyright7
Copyright Not Evaluated6

Subject

Ocean circulation -- Mathematical models3
Ocean temperature -- Mathematical models2
Turbulence -- Mathematical models2
Atmospheric turbulence -- Pacific Ocean -- Mathematical models1
Eddies -- Mathematical models1
more Subjects »

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