El Nino Southern Oscillations
El Nino Southern Oscillations
EL Nino Southern Oscillations (ENSO):
The difference in pressure over Tahiti (Pacific Ocean, 18°S/149°W) and Darwin in Northern Australia (Indian Ocean, 12°30’S/131°E) is computed to predict the intensity of the monsoons. If the pressure differences were negative, it would mean below average and late monsoons. The EL Nino phenomenon is a feature connected with the Southern Oscillation. In this, a warm ocean current flows past the Peruvian Coast, in place of the cold Peruvian current. It occurs at the interval of 2 to 5 years. The changes in pressure conditions are connected to the EL Nino. Hence, the phenomenon is referred to as ENSO (EL Nino Southern Oscillations).
EL Nino:
This is a name given to the periodic development of a warm ocean current along the coast of Peru as a temporary replacement of the cold Peruvian current. ‘EL Nino’ is a Spanish word meaning ‘the child’ and refers to the baby Christ. As this current starts flowing during Christmas. The presence of the EL Nino leads to an increase in sea-surface temperatures and weakening of the trade winds in the region.
Which of the following statement (s) is/are correct about El Nino? | |||
| Right Option : D | |||
| View Explanation |
Which of the following is the cold event? | |||
| Right Option : B | |||
| View Explanation | |||
How often does El Nino occurs ? | |||
| Right Option : A | |||
| View Explanation | |||
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