Answer :
That the el nino-southern oscillation is altering in the central pacifics and eastern pacifics due to global warming is true.
Strong warm episodes in the eastern equatorial Pacific (EP) or moderate warm and strong cold events in the central Pacific (CP), all of which have central pacifics different effects on the world's climates, are characteristics of the El Nio-Southern Oscillation (ENSO). Models predict higher sea surface temperature (SST) variability of both ENSO regimes oscillation under transient greenhouse warming, but the time of emergence out of internal variability for either regime is still uncertain.
Here, we find that the increased EP-ENSO SST variability starts to appear about 2030 6, which is more than a decade earlier than the CP-ENSO oscillation variability and almost four decades earlier than what was previously central pacifics predicted without distinguishing between the two regimes. Because of a greater rise in EP-ENSO rainfall response, which amplifies the signal of increasing SST variability, and ENSO non-linear atmospheric feedback, the EP-ENSO emerged sooner than usual.
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