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Lundi 16 Septembre - On ENSO Theory

Par SEMSOU Dernière modification 23/08/2019 19:24
Quand ? Le 16/09/2019,
de 11:00 à 12:00
Où ? salle Coriolis
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Fei-Fei Jin

 

Department of Atmospheric Science, SOEST

University of Hawaii


Title: On ENSO Theory

 

Abstract: Great progresses have been made in understanding, modeling, and predicting the basic features of the El Nino-southern Oscillation (ENSO) phenomenon characterized by interannual warming/cooling of the central to eastern equatorial Pacific and weakening/strengthening of tropical Pacific trade winds. The intensities, durations, patterns of sea surface temperature anomalies vary substantially from event to event. These differences often have significant global consequences.  Climate models still exhibit large spread in simulating ENSO’s time-space complexities.  Better simulations and predictions ENSO require deeper understandings of the dynamics not only for ENSO’s basic features but also for its complexity.  This talk will briefly review progresses in terms of ENSO theory on ENSO’s amplitude, phase-locking, asymmetry, pattern diversity, and multi-scale nonlinear interactions.

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