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4) What is Indian Ocean Dipole? Discuss its combined impact with El Nino on monsoons in India?(250 words)

Topic – Part of static series under the heading – “ Indian Ocean Dipole”

4) What is Indian Ocean Dipole? Discuss its combined impact with El Nino on monsoons in India?(250 words)

 

Key demand of the question

The question expects us to explain what IOD is and discuss in detail how it impacts monsoons in India along with El Nino.

Structure of the answer

Introduction – Explain IOD – The Indian Ocean Dipole (IOD) is defined by the difference in sea surface temperature between two areas (or poles, hence a dipole) – a western pole in the Arabian Sea (western Indian Ocean) and an eastern pole in the eastern Indian Ocean south of Indonesia.

Body – Here discuss in detail how both IOD and El nino impact monsoons in India. Discuss the impact of both positive IOD and negative IOD. Discuss the combined impact of IOD and El Nino.