AM

Aditya MathurAIR 98· 2025

Question 13GS1UNKNOWN

Give a reasoned account of the distribution of deserts across the earth with the help of relevant examples. (15 marks, 250 words)

Open scan (p.29)

Introduction

Deserts are defined as regions receiving very less precipitation in any form forming unique geographic zones in the world across all continents. Eg Sahara, Namib

25 words

Main Body

[Distribution of Factors of Desert in World]

I. [Asia]

1Gobi and Takla Makan: Found in Central Asia due to continentality
2Thar: Found in India due to late of relief to cave precipitation (wind parallel to Aravalus)
3Siberian: cold desert due to continentalty

II. [Oceania]: Great Australian Desert formed due to cold West Australian cureent (dessicating effect)

III. [Africa]

1Sahara: Formed due to Easterly Trade Winds (ne raim to Western region) and high temperature (formed 25s)
1Nemb: Formed due to cold Benguela cureent

IV. [Antarctica]: Cold desert due to very low temperature of gas condition for precipitation

V. [South America]:

1Atacama desert: formed due to orographic Barril of Andes mountains (rain shadow region) and cold peruvian cureent (dessicating effect)

VI. [North America]

1Mojave Desert: formed due to cold California cureent (dessicating effect) & sub-tropical high (descending winds get warm & are least conducive for precipitation)

Desert are formed in all region of Earth due to many factors, and are increasing & expanding (desertifacation) which must be conferred by intl intiuse like Great African Green Wall to stop Sahara desert expansion (UNCEO)

187 words13 paragraphs

Conclusion

Deserts are formed in all regions of Earth due to many factors, and are increasing & expanding (desertification) which must be concerned by international initiatives like Great African Green Wall to stop Sahara desert expansion (UNCEO)

36 words

Diagram

Map showing deserts distribution in Asia with labels: Siberian, Takla Makan, Gobi, Tahr, Nalam, and Great Australer

Topper

Aditya Mathur

AIR 982025

Subject & Paper

GS1UNKNOWN

Topic

Physical Geography

Deserts and Desert Formation

Global distribution of deserts

Writing Stats

248

Total words

13

Paragraphs