Topic – Part of static series under the heading – “El-nino, La nino, El-nino Modoki , La Nina Modoki , Madden Julian oscillation”
6) El Nino and La Nina are opposite phases of what is known as the El Niño-Southern Oscillation (ENSO) cycle. Explain.(250 words)
Key demand of the question
The question expects us to explain what ENSO is and thereafter, how El nino and La Nina can be called as opposite phases of ENSO.
Structure of the answer
Introduction – Explain ENSO – The ENSO cycle is a scientific term that describes the fluctuations in temperature between the ocean and atmosphere in the east-central Equatorial Pacific.
- Explain that La Nina is sometimes referred to as the cold phase of ENSO and El Nino as the warm phase of ENSO. These deviations from normal surface temperatures can have large-scale impacts not only on ocean processes, but also on global weather and climate, including India.
- Explain la Nina and el nino and their impacts on world climate.