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RISInfluence of the Seasonal Cycle on the Termination of El Niño Events in a Coupled General Circulation Model
Publisher: American Meteorological Society
Abstract: In this study, the mechanisms leading to the El Niño peak and demise are explored through a coupled general circulation model ensemble approach evaluated against observations. The results here suggest that the timing of ...
The March 1997 Westerly Wind Event and the Onset of the 1997/98 El Niño: Understanding the Role of the Atmospheric Response
Publisher: American Meteorological Society
Abstract: In a previous study, the effect of the March 1997 Westerly Wind Event (WWE) on the evolution of the tropical Pacific Ocean was studied using an ocean general circulation model (GCM). The response was characterized by (i) ...
A Modeling Study of the Impact of Tropical Instability Waves on the Heat Budget of the Eastern Equatorial Pacific
Publisher: American Meteorological Society
Abstract: A numerical simulation is used to investigate the mixed layer heat balance of the tropical Pacific Ocean including the equatorial cold tongue and the region of vortices associated with tropical instability waves (TIWs). ...
On the Role of Meridional Wind Anomalies in a Coupled Model of ENSO
Publisher: American Meteorological Society
Abstract: The role of the meridional wind anomalies on the El Niño?Southern Oscillation as simulated by a simple coupled tropical Pacific ocean?atmosphere model is investigated. It is found that these anomalies play a key role in ...
A Model Study of Oceanic Mechanisms Affecting Equatorial Pacific Sea Surface Temperature during the 1997–98 El Niño
Publisher: American Meteorological Society
Abstract: In this study, the processes affecting sea surface temperature variability over the 1992?98 period, encompassing the very strong 1997?98 El Niño event, are analyzed. A tropical Pacific Ocean general circulation model, ...