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RISA Global Isopycnal OGCM: Validations Using Observed Upper-Ocean Variabilities during 1992–93
Publisher: American Meteorological Society
Abstract: In this study, a global isopycnal ocean model (GIM) is described and used for a simulation of variabilities of the global upper ocean during 1992?93. The GIM simulations are compared and validated with both the available ...
Evolution Dynamics of Tropical Ocean-Atmosphere Annual Cycle Variability
Publisher: American Meteorological Society
Abstract: The structure of ocean-atmosphere annual cycle variability is extracted from the revised Comprehensive Ocean-Atmosphere Data Set SSTs, surface winds, and the latent heat (LH) and net shortwave (SW) surface fluxes using the ...
Diagnoses of an Eddy-Resolving Atlantic Ocean Model Simulation in the Vicinity of the Gulf Stream. Part II: Eddy Potential Enstrophy and Eddy Potential Vorticity Fluxes
Publisher: American Meteorological Society
Abstract: Output of an eddy-resolving model of the North Atlantic is diagnosed in the vicinity of the Gulf Stream (GS), using quasigeostrophic potential vorticity (QGPV), quasigeostrophic potential enstrophy (QGPE), and modified ...
On the Eddy Isopycnal Thickness Diffusivity of the Gent–McWilliams Subgrid Mixing Parameterization
Publisher: American Meteorological Society
Abstract: Output of an eddy-resolving model of the North Atlantic Ocean is used to diagnose the eddy thickness diffusivity coefficient, ?, defined by Gent and McWilliams in their quasi-adiabatic parameterization for transports by ...
Evaluation of North Atlantic Property Field Simulations at ⅙°
Publisher: American Meteorological Society
Abstract: One way to measure the skill of an ocean general circulation model is to evaluate its ability to simulate observed property distributions. Pressure, temperature, and salinity distributions generated by a ?° Atlantic Ocean ...
An Embedded Bottom Boundary Layer Formulation for Z-Coordinate Ocean Models
Publisher: American Meteorological Society
Abstract: An embedded bottom boundary layer (EBBL) scheme is developed to improve the bottom topographic representation in z-coordinate ocean general circulation models. The EBBL scheme is based on the combined techniques of an ...
Evaluation of Algebraic Stress Modeling in Free-Surface Jet Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study evaluated three algebraic stress models for predicting turbulent stresses near the free surface in a free-surface jet at nonzero Froude number, by comparing to experiments. The models ...
On the Contrast between the Seasonal Cycles of the Equatorial Atlantic and Pacific Oceans
Publisher: American Meteorological Society
Abstract: Although the winds on the equator at 28°W in the Atlantic and 140°W in the Pacific have similar seasonal variations, the current fluctuations have pronounced differences. In the Pacific the maximum speed of the Equatorial ...
On the Structure of the Southern Oscillation
Publisher: American Meteorological Society
Abstract: A realistic oceanic general circulation model is forced with winds observed over the tropical Pacific between1967 and 1979. The structure of the simulated Southern Oscillation is strikingly different in the western andeastern ...
Error Analysis and Sampling Strategy Design for Using Fixed or Mobile Platforms to Estimate Ocean Flux
Publisher: American Meteorological Society
Abstract: For estimating lateral flux in the ocean using fixed or mobile platforms, the authors present a method of analyzing the estimation error and designing the sampling strategy. When an array of moorings is used, spatial ...