A cooling of surface ocean waters in the eastern equatorial Pacific Ocean is known specifically as .

La Nina

Explanation:

La Nina -

The word La Nina means " the little girl " , in spanish language .

La Nina , is an ocean - atmospheric process , which occurs in the eastern equatorial Pacific Ocean .

It is exactly opposite of El Nino , which means " the little boy " .

In the phase of La Nina , the temperature of the eastern equatorial Pacific Ocean becomes lower than the usual temperature by around 3°C to 5°C .

This phase of La Nina is for around 5 months in an year .

Hence , from the given statement of the question ,

The correct term is La Nina .

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explanation:

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