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An implementation of the Local Ensemble Kalman Filter in a quasi geostrophic model and comparison with 3D-Var
Local Ensemble Kalman Filter quasi geostrophic model 3D-Var
2009/11/2
We perform data assimilation experiments with a widely used quasi-geostrophic channel model and compare the Local Ensemble Kalman Filter (LEKF) with a 3D-Var developed for this model. The LEKF shows a...
A Stability Investigation of a Three Level Quasi-Geostrophic Model
Stability Investigation Level Quasi-Geostrophic Model
2009/6/15
A Stability Investigation of a Three Level Quasi-Geostrophic Model.
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...
QUAGMIRE v1.3:a quasi-geostrophic model for investigating rotating fluids experiments
QUAGMIRE v1.3 quasi-geostrophic model rotating fluids experiments
2010/2/5
QUAGMIRE is a quasi-geostrophic numerical model for performing fast, high-resolution simulations of multi-layer rotating annulus laboratory experiments on a desktop personal computer. The model uses a...
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...
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...
Measurements of a Barotropic Planetary Vorticity Mode in an Eddy-Resolving Quasi-geostrophic Model Using Acoustic Tomography
Barotropic Planetary Vorticity Mode Eddy-Resolving Quasi-geostrophic Model Acoustic Tomography
2009/1/4
An acoustic source and receiver are placed at 800 m depth and are separated by 4000 km in a two-layer, steady-wind driven, flat bottom eddy-resolving quasi-geostrophic circulation model. Time series o...
Wind-Driven Flow over Topography in a Zonal β-Plane Channel：A Quasi-geostrophic Model of the Antarctic Circumpolar Current
Circumpolar Current Wind-Driven Flow Zonal β-Plane Channel Antarctic Circumpolar Current
2008/12/23
The paper gives a detailed account of the dynamical balance of a wind-driven zonally unbounded flow over topography. The problem is investigated with a quasi-geostrophic β-plane channel with two layer...