Question 5GS1GS1

Discuss the factors responsible for increased cyclonic activity in the Arabian Sea. (Answer in 150 words)

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Answer Keywords

Introduction

As per Down to Earth report, Cyclones in Arabian Sea and in the rise due to overall anthropogenic climate change

20 words

Main Body

1eye → eye wall low pressure

What is a cyclone? → (2) low pressure cloud system guided by latent heat of vaporisation

Mostly, (?) Tropical cyclone + requires orrolis force, Sea Surface October temperature > 27°C sometime in May

Factors responsible for rise in Arabian Sea

1Rise of sea surface temperature due to climate change

2High concentration of pollutants (West coast industrialised) → increase overall heat

3Favourable wind shear in Arabian Sea

4High building up of latent heat of vaporisation

5Shifting patterns of ITCZ → creates low pressure systems along with favourable easterly force

6Impacted by heating patterns in West Asia → creates pressure differential.

(i) Increasing cyclones → earlier limited to Bay of Bengal

(ii) Role of monsoon winds → brings cyclones to Arabian Sea → because seas

(iii) High impact due to coastal dominance (eg Cyclone Tauktae)

Cyclonic activities create devastating impact and cause disaster wish. However cyclones in Arabian Sea have lower intensity, due to low preparedness, their impact is magnified

— Akansh Dhull · AIR 3

171 words9 paragraphs

Conclusion

Cyclonic activities create devastating impact and cause disaster. However cyclones in Arabian Sea have lower intensity; due to low preparedness, their impact is magnified.

24 words

Diagram

Cyclone structure showing eye, eye wall, and low pressure system

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Topper

Akansh Dhull

AIR 3

Subject & Paper

GS1GS1

Topic

Geophysical Phenomena & Environmental Changes

Geophysical Phenomena

Cyclonic activity in Arabian Sea

Writing Stats

215

Total words

Paragraphs

scientific-analytical

Tone

Linked PYQ

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