Question

what do you understand by the phenomenon of ENSO

Answer 1

The El Niño-Southern Oscillation (ENSO) is a naturally occurring phenomenon that involves fluctuating ocean temperatures in the equatorial Pacific. ... When temperatures in the ENSO region of the Pacific are near average it is known as ENSO neutral, meaning that the oscillation is neither in a warm nor cool phase.

Answer 2

ENSO is term used when explaining how temperatures change in the pacific ocean. There are times the temperature in ocean drops a little and this is termed as ENSO neutral where by the are not high and not too low. This was first used during elinino which occurred in India. Since then it has been used in those regions around Pacific ocean.