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On the Mixed Stability Program for Quasi-Geostrophic Ocean Currents
Quasi-Geostrophic Ocean Currents baroclinic currents
2009/3/26
A simple, two-layer, quasi-geostrophic model is used to investigate the stability of baroclinic currents confined to a finite length scale L in a basin of considerably larger dimension (4L). The curre...
Transient Gulf Stream Meandering. Part II：Analysis via a Quasi-Geostrophic Time-Dependent Model
Transient Gulf Stream Meandering Quasi-Geostrophic Time-Dependent Model
2009/3/26
Simultaneous path and bottom velocity measurements made during the Transient Meander Experiment, reported in Part I, are analyzed in terms of a quasi-geostrophic thin jet model of the meandering Gulf ...
Intercomparison of Quasi-Geostrophic Simulations of the Western North Atlantic Circulation with Primitive Equation Results
Western North Atlantic Circulation Primitive Equation Results
2009/2/23
The purpose of this paper is to compare two numerical models of vastly different complexity and computational requirements, which have been used recently in a number of midlatitude ocean simulations. ...
The Role of Mesoscale Eddies in the General Circulation of the Ocean—Numerical Experiments Using a Wind-Driven Quasi-Geostrophic Model
Mesoscale Eddies Ocean—Numerical Experiments General Circulation
2009/2/23
Results from a two-layer, quasi-geostrophic, general circulation model of the ocean with fine horizontal resolution are presented. As in Holland and Lin (1975a.b), mesoscale eddies spontaneously arise...
Quasi-Geostrophic Response of an Infinite β-Plane Ocean to Stochastic Forcing by the Atmosphere
Quasi-Geostrophic Stochastic Forcing Infinite β-Plane Ocean
2009/2/11
The quasi-geostrophic response of the ocean to stochastic forcing by wind stress and atmospheric pressure is investigated using a linear, continuously stratified, β-plane oceanic model with a flat bot...
Mesoscale Eddies Detached from Spatially Growing Meanders in an Eastward-Flowing Oceanic jet Using a Two-Layer Quasi-Geostrophic Model
Mesoscale Eddies Eastward-Flowing Oceanic jet Two-Layer Quasi-Geostrophic Model
2009/2/10
The process of eddy detachment from a strong, eastward-flowing oceanic jet, which is modeled after the Gulf Stream, is studied using a two-layer quasi-geostrophic model. Numerical calculations are per...
Instability and Splitting of Mesoscale Rings using a Two-Layer Quasi-Geostrophic Model on an f-Plane
Mesoscale Rings f-Plane Two-Layer Quasi-Geostrophic Model
2009/2/10
Asymmetric instability of a circular Gaussian ring and evolution of a ring shape in a nonlinear case are studied using a two-layer quasi-geostrophic model on an f plane. Ring behavior is classified on...
Meanders and Detached Eddies of a Strong Eastward-Flowing Jet Using a Two-Layer Quasi-Geostrophic Model
Detached Eddies Two-Layer Quasi-Geostrophic Model Strong Eastward-Flowing Jet
2009/2/9
The process of meander growth on and eddy detachment from an eastward flowing oceanic jet, which is modeled after the Gulf Stream east of Cape Hatteras, is studied using numerical solutions of nonline...
Quasi-Geostrophic Waves in a Stratified Ocean with Bottom Topography
upper layer component lower layer component Quasi-Geostrophic Waves
2009/2/9
Quasi-geostrophic waves in a two-layer ocean with bottom topography on a β-plane are examined in detail. The bottom slopes in an arbitrary direction but gently and uniformly. A clear understanding of ...
The Relation of Near-Inertial Motions Observed in the Mixed layer During the JASIN (1978) Experiment to the Local Wind Stress and to the Quasi-Geostrophic Flow Field
Joint Air Sea INteraction Mixed layer Near-Inertial Motions
2009/2/8
Oscillations with near-inertial frequencies were an energetic component of the upper ocean velocity field observed at each of two moorings separated by 44 km during the Joint Air Sea INteraction (JASI...
Steady, Free Circulation in a Stratified Quasi-Geostrophic Ocean
Free Circulation Quasi-Geostrophic Ocean
2009/1/13
Steady solutions in which quasi-geostrophic potential vorticity is constant along a streamline of the flow are derived for a baroclinic ocean. Friction, transfer by geostrophic eddies, and wind forcin...
Assimilation of Altimeter Eddy Fields in a Limited-Area Quasi-Geostrophic Model
Altimeter Eddy Fields Limited-Area Quasi-Geostrophic Model
2009/1/9
Techniques for the synoptic analysis, vertical inference, dynamical adjustment, and forecast of altimetric and deeper in situ data are presented as a first step towards the design of continuous assimi...
Quasi-Geostrophic Topographically Generated Mean Flow over the Continental Margin
Quasi-Geostrophic Mean Flow Continental Margin
2009/1/9
Observations of oppositely directed, monthly mean alongshore currents and wind stress over the continental margin off the Pacific coast of North America motivate the theoretical examination of mean fl...
Oceanic Quasi-geostrophic Turbulence Forced by Stochastic Wind Fluctuations
quasi-geostrophic response Stochastic Wind Fluctuations
2009/1/7
The quasi-geostrophic response to stochastic wind fluctuations is calculated using a doubly periodic nonlinear model, with a vertical resolution of three modes in most cases. The influence of various ...
Quasi-Geostrophic Circulation Model of the Northeast Pacific. Part I：A Preliminary Numerical Experiment
Quasi-Geostrophic Circulation Northeast Pacific Preliminary Numerical Experiment
2009/1/6
A limited-area quasi-geostrophic numerical model with mesoscale resolution is developed to study the circulation in the northeast (NE) Pacific Ocean. The model domain extends from the British Columbia...