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Influence of the Transport on the Instability of a Boundary Current
Publisher: American Meteorological Society
Abstract: This paper examines the stability properties of coastal currents having the same potential vorticity (PV) structure but different transports and widths. The PV structure is chosen so as to verify the Charney?Stern necessary ...
Nonlinear Regimes of Baroclinic Boundary Currents
Publisher: American Meteorological Society
Abstract: A process study is conducted on the evolution of boundary currents in a two-layer quasigeostrophic model on the f plane. These currents are composed of two strips of uniform potential vorticity (PV), one in each layer, and ...
Competition between Baroclinic Instability and Ekman Transport under Varying Buoyancy Forcings in Upwelling Systems: An Idealized Analog to the Southern Ocean
Publisher: American Meteorological Society
Mesoscale Eddy Buoyancy Flux and Eddy-Induced Circulation in Eastern Boundary Currents
Publisher: American Meteorological Society
Abstract: dynamical interpretation is made of the mesoscale eddy buoyancy fluxes in the Eastern Boundary Currents off California and Peru?Chile, based on regional equilibrium simulations. The eddy fluxes are primarily shoreward and ...
Intensification of Upper-Ocean Submesoscale Turbulence through Charney Baroclinic Instability
Publisher: American Meteorological Society
Abstract: his study focuses on the description of an oceanic variant of the Charney baroclinic instability, arising from the joint presence of (i) an equatorward buoyancy gradient that extends from the surface into the ocean interior ...
Diagnosing Surface Mixed Layer Dynamics from High-Resolution Satellite Observations: Numerical Insights
Publisher: American Meteorological Society
Abstract: igh-resolution numerical experiments of ocean mesoscale eddy turbulence show that the wind-driven mixed layer (ML) dynamics affects mesoscale motions in the surface layers at scales lower than O(60 km). At these scales, ...
Upper Ocean Turbulence from High-Resolution 3D Simulations
Publisher: American Meteorological Society
Abstract: The authors examine the turbulent properties of a baroclinically unstable oceanic flow using primitive equation (PE) simulations with high resolution (in both horizontal and vertical directions). Resulting dynamics in the ...
Impact of Synoptic Wind Intensification and Relaxation on the Dynamics and Heat Budget of the South Senegalese Upwelling Sector
Publisher: American Meteorological Society
On the Dynamics of the Southern Senegal Upwelling Center: Observed Variability from Synoptic to Superinertial Scales
Publisher: American Meteorological Society
Abstract: pwelling off southern Senegal and Gambia takes place over a wide shelf with a large area where depths are shallower than 20 m. This results in typical upwelling patterns that are distinct (e.g., more persistent in time and ...
Impact of Synoptic Wind Intensification and Relaxation on the Dynamics and Heat Budget of the South Senegalese Upwelling Sector
Publisher: American Meteorological Society