AB

Anshul BhattAIR 22· 2023

Question 8GS1GS1

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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:

Southern oscillation - Pressure difference as Tahiti and Darwin the lower lord with El Nino. When pressure at DarwinTahiti India has good monsoon

Somali East African tropical jet - appearance in this jet intensify the monsoon over India.

Tropical Eastern jetformation Rivaling the monsoon. Decently on masalarjar and travel back to India as Somali jet for wayposts
* eli of shimply of ITD > and subtropical jet.The position of ITCZ determine the distribution of rainfall in North India.

The subtropical jet when it goes beyond Himalayas to [illegible] - Strain the monsoon rain in India

submajor [?] when it goes beyond Himalayas[illegible] Strain the monsoon rain in India
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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

Topper

Anshul Bhatt

AIR 222023

Subject & Paper

GS1GS1

Topic

Important Geophysical Phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.

Indian Monsoon

Oceanic factors influencing Indian monsoon

Writing Stats

273

Total words

11

Paragraphs

1

Bullets