搜索结果: 1-15 共查到“海洋科学 quasigeostrophic”相关记录22条 . 查询时间(0.04 秒)
The Application of Linear Quasigeostrophic Dynamics to Gulf Stream Rings
Linear Quasigeostrophic Dynamics Gulf Stream Rings
2009/3/7
We have used linear quasigeostrophic dynamics to calculate the motion, decay and dispersion rates of radially symmetric initial disturbances with scales appropriate to Gulf Stream Rings. Baroclinic ri...
Boundary Current Separation in a Quasigeostrophic, Eddy-resolving Ocean Circulation Model
Boundary Current Quasigeostrophic Eddy-resolving Ocean Circulation Model
2008/12/22
The response of a rectangular, flat-bottom, eddy-resolving, quasigeostrophic ocean to a steady, double-gyre wind stress is studied to assess the sensitivity of the solutions to a partial-slip lateral ...
The Generalized Inverse of a Nonlinear Quasigeostrophic Ocean Circulation Model
Nonlinear Quasigeostrophic Ocean Circulation Model Generalized Inverse
2008/12/22
The generalized inverse is constructed for a nonlinear, single-layer quasigeostrophic model, together with initial conditions and a finite number of interior data. With the exception of doubly Periodi...
Two-Layer Quasigeostrophic Flow over Finite Isolated Topography
Two-Layer Quasigeostrophic finite topography model small topography model
2008/12/18
A quasigeostrophic two-layer model of flow over finite topography is developed. The topography is a right circular cylinder that extends through the lower layer and an order Rossby number amount into ...
Multiple Zonal Jets in a Quasigeostrophic Model of the Antarctic Circumpolar Current
Antarctic Circumpolar Current Quasigeostrophic Model Multiple Zonal Jets
2008/12/17
The presence of multiple zonal fronts in the Antarctic Circumpolar Current (ACC), a phenomenon described as zonation, has been confirmed by many observations suggesting that the fronts are circumpolar...
Quasigeostrophic Forecasting and Physical Processes of Iceland-Faroe Frontal Variability
Iceland-Faroe Front Iceland-Faroe Frontal Variability Quasigeostrophic Forecasting
2008/12/12
Using a hydrocast survey of the Iceland-Faroe Front (IFF) from October 1992, quasigeostrophic forecasts are studied to validate their efficacy and to diagnose the physical processes involved in the ra...
Symmetry-Breaking Multiple Equilibria in Quasigeostrophic, Wind-Driven Flows
Symmetry-Breaking Multiple Equilibria Quasigeostrophic barotropic flow
2008/12/12
The classical Munk problem of barotropic flow driven by an antisymmetric wind stress exhibits multiple steady solutions in the range of moderate to high forcing and moderate to low dissipation. Everyw...
Assimilation of Altimeter Data into a Quasigeostrophic Model of the Gulf Stream System Part II：Assimilation Results
quasigeostrophic Gulf Stream System Assimilation Results
2008/12/12
The improvement in the climatological behavior of a numerical model as a consequence of the assimilation of surface data is investigated. The model used for this study is a quasigeostrophic (QG) model...
Assimilation of Altimeter Data into a Quasigeostrophic Model of the Gulf Stream System Part I：Dynamical Considerations
Altimeter Data Quasigeostrophic Model Gulf Stream System Dynamical Considerations
2008/12/12
The dynamical consequences of constraining a numerical model with sea surface height data have been investigated. The model used for this study is a quasigeostrophic model of the Gulf Stream region. T...
The Statistics and Sensitivity of a Double-Gyre Model：The Reduced-Gravity, Quasigeostrophic Case
double-gyre model Quasigeostrophic Case Reduced-Gravity
2008/12/11
The sensitivity of the time-averaged circulation of an oceanic double-gyre model to variations in the model's parameters and forcing is studied. Unresolved low-frequency variability in the solution le...
Phenomenology of the Low-Frequency Variability in a Reduced-Gravity, Quasigeostrophic Double-Gyre Model
low-frequency variability Double-Gyre Model oceanic wind-driven circulation
2008/12/9
The low-frequency variability of the oceanic wind-driven circulation is investigated by use of a reduced-gravity, quasigeostrophic model with slight variations on the classic double-gyre wind forcing....
Impact of Wind Forcing, Bottom Topography, and Inertia on Midlatitude Jet Separation in a Quasigeostrophic Model
ocean general circulation models Miami Isopycnic Coordinate Ocean Model Geophysical Fluid Dynamics Laboratory—Modular Ocean Model
2008/12/3
The persistence of unrealistic Gulf Stream separation in numerical models of the ocean has prompted many theories about possible mechanisms that influence the separation of a western boundary current ...
Coherence Maps for Wind-Forced Quasigeostrophic Flows
Fleet Numerical Oceanographic Center Wind-Forced Quasigeostrophic Flows
2008/11/26
Coherence maps are a useful tool to study the oceanic response to atmospheric forcing. For a specific frequency band these maps display the coherence between the oceanic current (or pressure) at a sin...
Diagnosing Ocean Unstable Baroclinic Waves and Meanders Using the Quasigeostrophic Equations and Q-Vector Method
baroclinic waves wave growth rate
2008/11/18
A three-dimensional, primitive equation model is applied to the ocean mesoscale eddies and unstable baroclinic waves across a density front in a channel under a very low viscosity environment. Current...
Western Boundary Current Separation Sensitivity Studies Using a Quasigeostrophic Ocean Model
western boundary current Quasigeostrophic Ocean Model global flow field
2008/11/18
The sensitivity of the separation of the western boundary current of an idealized single gyre circulation to the specification of various model parameters is investigated through a series of quasigeos...