搜索结果: 1-12 共查到“海洋物理学 Difference”相关记录12条 . 查询时间(0.125 秒)
Irregular Grid Finite-Difference Techniques：Simulations of Oscillations in Shallow Circular Basins
Irregular Grid Finite-Difference Techniques Oscillations Shallow Circular Basins
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2009/3/7
Finite-difference techniques for irregular computational grids are presented. Successful simulations of transient normal mode oscillations in shallow circular basins, where analytic solutions are know...
Comparison of Finite-Element and Finite-Difference Schemes. Part II：Two-Dimensional Gravity Wave Motion
Finite-Element Finite-Difference Schemes Two-Dimensional Gravity Wave Motion
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2009/2/23
Irregular grid finite-difference techniques lead to equations similar to those obtained using finite-element techniques. The simpler finite-difference equations offer the advantage of greater computat...
Comparison of Finite-Element and Finite-Difference Schemes. Part I：One-Dimensional Gravity Wave Motion
Finite-Element One-Dimensional Gravity Wave Motion Finite-Difference Schemes
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2009/2/23
The finite-element scheme requires more computational expense because it is time-implicit and because it requires a smaller time step than the finite-difference scheme. Simulations of normal mode osci...
The Free Kelvin Wave in Finite-Difference Numerical Models
Free Kelvin Wave Finite-Difference Numerical Models
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2009/2/6
The effects of viscosity and finite- differencing on free Kelvin waves in numerical models (which employ the Arakawa B- or C-grid difference schemes) are investigated using the f-plane shallow-water e...
Solution of Nonlinear Finite Difference Ocean Models by Optimization Methods with Sensitivity and Observational Strategy Analysis
Nonlinear Finite Difference Ocean Models Optimization Methods
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2009/1/13
Dynamical models driven by “observed” forcing fields (e.g., the wind) have a true solution uncertainty owing to observational errors in the driving. This uncertainty is usually hidden from view becaus...
Free Planetary Waves in Finite-Difference Numerical Models
Free Planetary Waves Finite-Difference Numerical Models
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2009/1/12
The effects of spatial finite-differencing, viscosity and diffusion on unbounded planetary waves in numerical models are investigated using a quasi-geostrophic approximation to the midlatitude, β-plan...
The North Atlantic Circulation in the Early 1980s-An Estimate from Inversion of a Finite-Difference Model
North Atlantic Circulation Finite-Difference Model
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2008/12/18
A finite-difference model of the North Atlantic is constructed for the purpose Of making an estimate of the circulation through an inverse calculation. The database is eclectic, and includes hydrograp...
The Behavior of the Bulk——Skin Sea Surface Temperature Difference under Varying Wind Speed and Heat Flux
Bulk——Skin Sea Surface Temperature Heat Flux Wind Speed
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2008/12/10
The observed and predicted response of the bulk – skin sea surface temperature difference (δT) to changes in the wind speed and net heat flux is analyzed. Observations of δT from the northern Atlantic...
A Relationship between the Bowen Ratio and Sea–Air Temperature Difference under Unstable Conditions at Sea
Bowen Ratio Sea–Air Temperature Unstable Conditions
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2008/10/23
At the air–sea interface, estimates of evaporation or latent heat flux and the Monin–Obukhov stability parameter require the measurements of dewpoint (Tdew) or wet-bulb temperature, which are not rout...
Comparison of Thermally Driven Circulations from a Depth-Coordinate Model and an Isopycnal-Layer Model. Part II: The Difference and Structure of the Circulations
Thermally Driven Circulations Depth-Coordinate Model Isopycnal-Layer Model
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2008/7/31
Thermally driven ocean circulations in idealized basins are calculated with two well-known model codes, one based on depth-level coordinates and the other based on isopycnal coordinates. In addition, ...
Adaptive Mesh Refinement for Finite-Difference Ocean Models: First Experiments
Adaptive Mesh Refinement Finite-Difference Ocean Models
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2008/7/11
The application of an adaptive mesh refinement (AMR) method for structured mesh is examined in the context of ocean modeling. This method can be used with existing finite-difference ocean models at li...
On the Estimation of Overwater Bowen Ratio from Sea–Air Temperature Difference
Overwater Bowen Ratio Sea–Air Temperature Difference
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2008/7/11
On the basis of thermodynamic considerations, a relationship between overwater Bowen ratio, B, and sea–air temperature difference, (Tsea − Tair), under unstable conditions has been formulated by...