Index Catalog // ScholarsArchive@OSU

The story of Oregon and its people

Creator:: Chapman, Charles Hiram, 1859-
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: Bv CHARLES H. CHAPMAN, PH. D. CHICAGO o. P. BARNES, PUBLISHER r Copyright, 1909, BY 0. P

Forcing a three-dimensional, hydrostatic, primitive-equation model for application in the surf zone : 2. application to DUCK94

Creator:: Newberger, P. A. and Allen, John S.
Abstract:: A three‐dimensional primitive‐equation model for application to the nearshore surf zone has been developed. This model, an extension of the Princeton Ocean Model (POM), predicts the wave‐averaged circulation forced by breaking waves. All of the features of the original POM are retained in the extended model so that applications can...
Resource Type:: Article
Full Text:: instability. Citation: Newberger, P. A., and J. S. Allen (2007), Forcing a three-dimensional, hydrostatic

On Symmetric Instabilities in Oceanic Bottom Boundary Layers

Creator:: Allen, J. S. and Newberger, P. A.
Abstract:: Model studies of two-dimensional, time-dependent, wind-forced, stratified downwelling circulation on the continental shelf have shown that the near-bottom offshore flow can develop time- and space-dependent fluctuations involving spatially periodic separation and reattachment of the bottom boundary layer and accompanying recirculation cells. Based primarily on the observation that the potential vorticity...
Resource Type:: Article
Full Text:: AND P. A. NEWBERGER College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis

Downwelling Circulation on the Oregon Continental Shelf. Part I: Response to Idealized Forcing

Creator:: Allen, J. S. and Newberger, P. A.
Abstract:: Time-dependent downwelling on the Oregon continental shelf is studied with a two-dimensional approximation, that is, spatial variations across shelf and with depth, using the Blumberg-Mellor, finite-difference, stratified, hydrostatic, primitive equation model. The time-dependent response of a coastal ocean at rest to constant, downwelling-favorable wind stress is examined. Topography and stratification...
Resource Type:: Article

On Intermediate Models for Stratified Flow

Creator:: Allen, J. S. and Newberger, P. A.
Abstract:: Intermediate models contain physics between that in the primitive equations and that in the quasigeostrophic equations. The specific objective here is to investigate the absolute and relative accuracy of several intermediate models for stratified flow by a comparison of numerical finite-difference solutions with those of the primitive equations (PE) and...
Resource Type:: Article

On Intermediate Models for Barotropic Continental Shelf and Slope Flow Fields. Part II: Comparison of Numerical Model Solutions in Doubly Periodic Domains

Creator:: Barth, J. A., Allen, J. S., and Newberger, P. A.
Abstract:: As part of a program to improve understanding of the dynamics of the complicated, vigorous eddy and jet flow fields recently observed over the continental shelf and slope, we investigate the potential of intermediate models for use in both process and data assimilation studies of these flows. Intermediate models incorporate...
Resource Type:: Article

On Intermediate Models for Barotropic Continental Shelf and Slope Flow Fields. Part III: Comparison of Numerical Model Solutions in Periodic Channels

Creator:: Allen, J. S., Barth, J. A., and Newberger, P. A.
Abstract:: The study of intermediate models for barotropic continental shelf and slope flow fields initiated in Parts I and II is continued. The objective is to investigate the possible use of intermediate models for process and data assimilation studies of nonlinear mesoscale eddy and jet current fields over the continental shelf...
Resource Type:: Article

On Intermediate Models for Barotropic Continental Shelf and Slope Flow Fields. Part I: Formulation and Comparison of Exact Solutions

Creator:: Allen, J. S., Barth, J. A., and Newberger, P. A.
Abstract:: Motivated by the general objective of pursuing oceanographic process and data assimilation studies of the complex, nonlinear eddy and jet current fields observed over the continental shelf and slope off the west coast of the United States, we investigate the use of intermediate models for that purpose. Intermediate models contain...
Resource Type:: Article

Upwelling Circulation on the Oregon Continental Shelf. Part I: Response to Idealized Forcing

Creator:: Allen, J. S., Newberger, P. A., and Federiuk, J.
Abstract:: Time-dependent upwelling on the Oregon continental shelf is studied with a two-dimensional approximation, that is, spatial variations across-shelf and with depth, using the Blumberg–Mellor, finite-difference, stratified, primitive equation model. The time-dependent response of a coastal ocean at rest to constant, upwelling favorable, wind stress is examined. Topography and stratification representative...
Resource Type:: Article

Analysis and comparison of three ecosystem models

Creator:: Newberger, Priscilla A., Allen, John S., and Spitz, Yvette
Abstract:: Three-component (NPZ), four-component (NPZD), and five-component (NNPZD) nitrogen-based ecosystem models are compared. The fixed points of the zerodimensional systems, with no spatial variation except light attenuation by water, are determined. A linear-stability analysis shows that unstable steady solutions exist for all three models. Time-periodic solutions are found in these regions....
Resource Type:: Article
Full Text:: P. A. Newberger, J. S. Allen, and Y. H. Spitz College of Oceanic and Atmospheric Sciences, Oregon

ScholarsArchive@OSU

The story of Oregon and its people

Forcing a three-dimensional, hydrostatic, primitive-equation model for application in the surf zone : 2. application to DUCK94

On Symmetric Instabilities in Oceanic Bottom Boundary Layers

Downwelling Circulation on the Oregon Continental Shelf. Part I: Response to Idealized Forcing

On Intermediate Models for Stratified Flow

On Intermediate Models for Barotropic Continental Shelf and Slope Flow Fields. Part II: Comparison of Numerical Model Solutions in Doubly Periodic Domains

On Intermediate Models for Barotropic Continental Shelf and Slope Flow Fields. Part III: Comparison of Numerical Model Solutions in Periodic Channels

On Intermediate Models for Barotropic Continental Shelf and Slope Flow Fields. Part I: Formulation and Comparison of Exact Solutions

Upwelling Circulation on the Oregon Continental Shelf. Part I: Response to Idealized Forcing

Analysis and comparison of three ecosystem models

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