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Poster TitlePossible causes of the weak ENSO in the ACME coupled runs
AuthorsJack Reeves Eyre (Unlicensed), Xubin Zeng, Michael Brunke
GroupCoupled
Experiment
Poster CategoryProblem/Solution
Submission TypePoster
Poster LinkReevesEyre_etAl_PossCausesWeakENSO.pdf



Abstract

El Niño Southern Oscillation (ENSO) is unrealistically weak in the latest ACME coupled model runs. This is manifest in both atmosphere and ocean variables; for example, sea surface temperatures (SSTs) and precipitation both show too little inter-annual variability in the central equatorial Pacific. With the aim of attributing the ENSO simulation deficiencies to the relevant model components – atmosphere, ocean, or coupler – we look at surface fluxes and associated atmosphere and ocean variables in the tropical Pacific from various coupled and un-coupled ACME runs. To gain additional insights, comparisons are made with ERA-Interim and CESM.

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