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RISIntermediate Zonal Jets in the Tropical Pacific Ocean Observed by Argo Floats
Publisher: American Meteorological Society
Abstract: rgo float data in the tropical Pacific Ocean during January 2003?August 2011 are analyzed to obtain Lagrangian subsurface velocities at their parking depths. Maps of mean zonal velocities at 1000 and 1500 m are presented. ...
Three-Dimensional Dynamics of the Subsurface Countercurrents and Equatorial Thermostad. Part I: Formulation of the Problem and Generic Properties
Publisher: American Meteorological Society
Abstract: A fully three-dimensional primitive equation simulation is performed to ?reunite? the local equatorial dynamics of the subsurface countercurrents (SCCs) and thermostad with the large-scale tropical ventilated ocean dynamics. ...
Three-Dimensional Dynamics of the Subsurface Countercurrents and Equatorial Thermostad. Part II: Influence of the Large-Scale Ventilation and of Equatorial Winds
Publisher: American Meteorological Society
Abstract: Sensitivity tests are performed to assess the respective influences of the large-scale ventilation and of the near-equatorial winds on the dynamics of the the subsurface countercurrents (SCCs) and thermostad. They show ...
Comments on “A New Theory for the Generation of the Equatorial Subsurface Countercurrents”
Publisher: American Meteorological Society
Abstract: From a numerical simulation of the Atlantic Ocean, Jochum and Malanotte-Rizzoli provide evidence that the equatorial subsurface countercurrents can be triggered by tropical instability waves through eddy?mean flow interactions ...
Intraseasonal Modulation of the Surface Cooling in the Gulf of Guinea
Publisher: American Meteorological Society
Abstract: regional numerical model of the tropical Atlantic Ocean and observations are analyzed to investigate the intraseasonal fluctuations of the sea surface temperature at the equator in the Gulf of Guinea. Results indicate that ...
Subthermocline and Intermediate Zonal Currents in the Tropical Pacific Ocean: Paths and Vertical Structure
Publisher: American Meteorological Society
Abstract: AbstractThe mean subthermocline and intermediate zonal circulation in the tropical Pacific is investigated using a compilation of shipboard ADCP measurements and absolute geostrophic velocities constructed from a high-resolution ...
Why Were Sea Surface Temperatures so Different in the Eastern Equatorial Atlantic in June 2005 and 2006?
Publisher: American Meteorological Society
Abstract: A comparison of June 2005 and June 2006 sea surface temperatures in the eastern equatorial Atlantic exhibits large variability in the properties of the equatorial cold tongue, with far colder temperatures in 2005 than in ...
Annual Reversal of the Equatorial Intermediate Current in the Pacific: Observations and Model Diagnostics
Publisher: American Meteorological Society
Abstract: A large reversal of zonal transport below the thermocline was observed over a period of 6 months in the western Pacific Ocean between 2°S and the equator [from 26.2 Sv (1 Sv ≡ 106 m3 s?1) eastward in October 1999 to 28.6 ...
Seasonal Modes of Surface Cooling in the Gulf of Guinea
Publisher: American Meteorological Society
Abstract: numerical simulation of the tropical Atlantic Ocean indicates that surface cooling in upwelling zones of the Gulf of Guinea is mostly due to vertical mixing. At the seasonal scale, the spatial structure and the time ...
Intra-Annual Rossby Waves Destabilization as a Potential Driver of Low-Latitude Zonal Jets: Barotropic Dynamics
Publisher: American Meteorological Society