Introduction
Dr. Motimaijaya Mohapatra, Head of IMD has said that Indian monsoon is very complex phenomena which is near impossible to model for the long term prognosis.
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Main Body
Ocean factor that influence it:
El Nino effect - El nino is apparently of warm water over Peruvian coast. La Nina is opposite. El Nino gives bad monsoons in India.
Indian Ocean Dipole - Difference in temperature in Arabian and Bata Bay of Bengal. Positive IOD (Arabian > Bay of Bengal) leads to good monsoon
Somali cold current - Appearance of cold current on the Somali [Coast jet?] appearance in this jet intensify the monsoon over India.
Tropical Eastern jet - formation in the monsoon. Decently on masolarjeur and travel back to India as Somali jet for wayposts
Atmospheric features:
Somali East African tropical jet - appearance in this jet intensify the monsoon over India.
The subtropical jet when it goes beyond Himalayas to [illegible] - Strain the monsoon rain in India
Conclusion
According to IPCC + ARG, [illegible] Ultimate change will lead to extreme events in Indian monsoon. Need of no how is to build rapid signal hazard Mitigatory spore to stop [illegible]
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- Cites expert opinion from IMD head establishing authority
- Identifies key oceanic factors influencing monsoon
- Explains El Nino and La Nina effects on Indian monsoon
- Provides concrete example of Indian Ocean Dipole mechanism
Anshul Bhatt
Important Geophysical Phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.
Indian Monsoon
Oceanic factors influencing Indian monsoon
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