Pacific control of the Atlantic Multidecadal Oscillation - El Niño relationship in the Community Earth System Model - Large Ensemble Simulation

What is it about?

This study investigates the potential impacts of the Interdecadal Pacific Oscillation (IPO) and Atlantic Multidecadal Oscillation (AMO) on El Niño frequency and the associated atmosphere and ocean dynamics. The study shows that the sensitivity of El Niño frequency to the AMO depends critically on the IPO phase and the associated atmospheric mean state in the eastern Pacific. The main result of this study can be applied to explore asymmetric influences of the Pacific and Atlantic Oceans on the decadal drought frequency in the U.S.

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