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Vertical mixing in the ocean affects the formation of water masses as well as the vertical distribution of nutrients and dissolved substances. This study is an investigation of the vertical mixing in ...
An Oceanic Wake in the Equatorial Undercurrent Downstream from the Galapagos Archipelago
Oceanic Wake Galapagos Archipelago Equatorial Undercurrent Downstream
2009/4/2
In the Pacific Equatorial Undercurrent downstream (east) from the Galapagos archipelago, an unusual meander pattern was observed in the spring of 1967. Two separate hypotheses present themselves as ex...
Direct Measurements of Turbulence in the Pacific Equatorial Undercurrent
Direct Measurements Pacific Equatorial Undercurrent Turbulence
2009/3/24
Measurements of small-scale fluctuations of temperature are used to estimate turbulent parameters such as viscous dissipation rate (), dissipation rate of temperature variance (χ), and turbulent diffu...
Equatorial Waves in the Presence of the Equatorial Undercurrent
Equatorial Waves Equatorial Undercurrent
2009/2/13
Because of the narrow region over which it has high speeds, the Equatorial Undercurrent has little effect on long waves with large phase speeds, such as long Kelvin and equatorially trapped inertia-gr...
An Inertial Theory of the Equatorial Undercurrent
Equatorial Undercurrent inertial nonlinear
2009/1/9
An inertial nonlinear model of the equatorial undercurrent is presented. The model is a simple two-layer model whose lower layer represents the undercurrent. The flow in the lower layer preserves pote...
Entrainment and the Termination of the Equatorial Undercurrent
Equatorial Undercurrent upper mixed layer
2009/1/5
An ideal fluid model of the Equatorial Undercurrent is modified by the addition of a specified, cross-isopycnal entrainment of fluid into the upper mixed layer. The entrainment is limited to a narrow ...
Wind Forcing and the Zonal Structure of the Equatorial Undercurrent
Wind Forcing Equatorial Undercurrent Zonal Structure
2009/1/4
A recently developed nonlinear inviscid model of the equatorial undercurrent is coupled to wind-driven surface layer. Wind stress drives a poleward Ekman flow, causing equatorial divergence of surface...
The Zonal Momentum Balance of the Equatorial Undercurrent in the Central Pacific
Zonal Momentum Balance Central Pacific Equatorial Undercurrent Equatorial Undercurrent
2008/11/18
Current velocity data from an array of subsurface moorings deployed during the Tropical Instability Wave Experiment from May 1990 to June 1991 are used to diagnose the upper-ocean zonal momentum balan...
Kinematics of the Pacific Equatorial Undercurrent：An Eulerian and Lagrangian Approach from GCM Results
Equatorial Undercurrent Three-dimensional Pacific Equatorial Undercurrent
2008/11/18
Three-dimensional monthly velocity fields from an ocean general circulation model are used to study the annual mean mass balance of the Pacific Equatorial Undercurrent (EUC). Eulerian diagnostics are ...
Meridional Circulation Cells and the Source Waters of the Pacific Equatorial Undercurrent
Meridional Circulation Source Waters Pacific Equatorial Undercurrent
2008/11/6
A 3½-layer model is used to study the meridional circulation cells that provide the source waters of the Pacific Equatorial Undercurrent (EUC). Its three active layers represent tropical, therm...
Effects of Equatorial Undercurrent Shear on Upper-Ocean Mixing and Internal Waves
Effects Equatorial Undercurrent Shear Upper-Ocean Mixing Internal Waves
2008/6/4
The effect of equatorial undercurrent (EUC) shear on equatorial upper-ocean mixing is studied using a large eddy simulation (LES) model. This study consists of five numerical experiments of convection...