What is the name of a periodic reversal pattern ocean currents and water temperature in mid pacific region?

The name of a periodic reversal pattern ocean currents and water temperature in the mid-Pacific region is El Nino-Southern Oscillation, or ENSO. ENSO is a climate pattern that describes the interaction between the Pacific Ocean and the atmosphere. It is characterized by periodic reversals in the direction of the prevailing winds and ocean currents in the Pacific Ocean, which can cause significant changes in weather patterns around the world.