AT

Anjali ThankurAIR 43· 2023

Question Q.17Critically examineGS1GS1

भारतीय मानसून विभिन्न जलवायु कारकों से प्रभावित एक जटिल घटना है। भारत में मानसून की तीव्रता और वितरण निर्धारित करने में महासागरीय और वायुमंडलीय कारकों की भूमिका की आलोचनात्मक परीक्षा कीजिए। / The Indian monsoon is a complex phenomenon influenced by various climatic factors. Critically examine the role of oceanic and atmospheric factors in determining the intensity and distribution of monsoon rainfall in India.

Open scan (p.43)

Introduction

Indian monsoon is a complex phenomena involving many factors like, Jet stream (polar easterly), oceanic temperature & interplay between oceanic & atmospheric pressure etc.

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Main Body

Role of oceanic factors:

1Indian ocean Dipole i.e. Difference in sea surface temperature of Indian ocean (west & coast) - Positive IOD facilitates Indian monsoon
3La-Nina & El Nino - Sea surface temperature when increased in coast of peru (El-Nino) & low in La-Nina. El-Nino causes Rain deficiency and drought. (current year). La-Nina - maximum rain & flood

Atmospheric factor:

1South easterly Jet stream when delayed Tibetan Plateau heat producer (SPTS) - southern side of the jet stream remained by Indian continent (Himalaya) → Hindus Monsoon.
2Somaliean Jet stream from mascarene high brings SW monsoon
3During El-Nino & La-Nina too the interplay of ocean & atmosphere is seen
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Conclusion

Indian Monsoon is one important phenomena not only geographically but also impacts the socio-economic life.

15 words

Diagram

Diagram showing Indian Monsoon system with labels including Coriolis Effect, Jet stream, and Equatorial Low Pressure

Topper

Anjali Thankur

AIR 432023

Subject & Paper

GS1GS1

Topic

Salient features of World's Physical Geography

Indian Monsoon

Oceanic and atmospheric factors in monsoon

Writing Stats

152

Total words

1

Paragraphs