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RISSlow Instabilities in Tropical Ocean Basin–Global Atmosphere Models
Publisher: American Meteorological Society
Abstract: The effect of ocean boundaries on instability in coupled ocean-natmosphere models is determined. Eigenvalues and eigenvectors are calculated for coupled systems featuring an ocean basin bounded zonally by a flat continent. ...
Unstable and Damped Equatorial Modes in Simple Coupled Ocean-Atmosphere Models
Publisher: American Meteorological Society
Abstract: Free equatorial modes for several simple coupled ocean-atmosphere models are determined. They are found to include unstable and damped modes of large zonal scale and long period. The influence of ocean thermo-dynamics on ...
Interannual Variability in a Tropical Atmosphere–Ocean Model: Influence of the Basic State, Ocean Geometry and Nonlinearity
Publisher: American Meteorological Society
Abstract: The behavior of a tropical coupled atmosphere/ocean model is analyzed for a range of different background states and ocean geometries. The model is essentially that of Cane and Zebiak for the tropical Pacific, except only ...
Intraseasonal and Interannual Oscillations in Coupled Ocean-Atmosphere Models
Publisher: American Meteorological Society
Abstract: This study investigates the behavior of coupled ocean-atmosphere models in an environment where atmospheric wave speeds are considerably reduced from their dry atmospheric values, by, for example, condensation-moisture ...
Deep-Water Properties and Surface Buoyancy Flux as Simulated by a Z-Coordinate Model Including Eddy-Induced Advection
Publisher: American Meteorological Society
Abstract: A parameterization for the adiabatic transport effect of eddies is introduced into a World Ocean model based on the Bryan-Cox code. The model topography is only lightly smoothed and retains realistic sill depths and ...
The Role of Indonesian Throughflow in a Global Ocean GCM
Publisher: American Meteorological Society
Abstract: The effect of the Indonesian Throughflow on the World Ocean circulation is examined by a series of experiments with a global ocean GCM. The principal objective is to gain an understanding of how ocean flows respond to the ...
Meridional Overturning and Dianeutral Transport in a z-Coordinate Ocean Model Including Eddy-Induced Advection
Publisher: American Meteorological Society
Abstract: The present study examines the marked changes in the patterns of meridional overturning and dianeutral motion that occur upon introduction of the Gent and McWilliams (GM) scheme for eddy-induced transport into a coarse-resolution ...
The Meridional Overturning Cells of a World Ocean Model in Neutral Density Coordinates
Publisher: American Meteorological Society
Abstract: A comparison is made of the meridional overturning circulation in a coarse-resolution World Ocean model when the integration is performed along (i) level, (ii) potential density, and (iii) neutral density surfaces. In the ...
The Seasonal Footprinting Mechanism in the CSIRO General Circulation Models
Publisher: American Meteorological Society
Abstract: An influence of midlatitude atmospheric variability on interannual ENSO and decadal ENSO-like variability is established and investigated in the Commonwealth Scientific and Industrial Research Organisation (CSIRO) coupled ...
Comparison of a Coupled Ocean–Atmosphere Model with and without Oceanic Eddy-Induced Advection. Part I: Ocean Spinup and Control Integrations
Publisher: American Meteorological Society
Abstract: The Gent and McWilliams (GM) parameterization for large-scale water transport caused by mesoscale oceanic eddies is introduced into the oceanic component of the Commonwealth Scientific and Industrial Research Organisation ...