Question 4Answer in 150 wordsGS3GS1

How does human encroachment impact water bodies in urban areas? (Answer in 150 words)

Introduction

As per LUCN Report, 80% of marshland, peats and water-wetlands in Ganga Basin has been depleted because of human encroachment.

20 words

Main Body

Impact of human encroachment on water bodies in urban area

A) Reducing area of water body due to encroachment: (eg. more than 60% of lakes in Hyderabad disappeared in last three decade.)

B) Eutrophication: As human-habitation near water bodies release sewage, untreated waste into water bodies. (eg Pink bloom in Kerala.)

C) Overflow during monsoon causing floods in urban areas (eg Chennai flood.)

D) Urban Heat-Island effect: due to lack of water bodies and concrete/asphalt of roads.

E) Lack of drinking water due to polluted fresh waste is not available eg [zero day] in Bengaluru and Chennai.

Way forward:

1Planned urbanization as per SOP of NDMA.

2Use green-building as promoted by BEE.

3River-dredging and silt removal to make space.

This would help in achieving goal of 'Sustainable Cities for Tomorrow'.

— Mansi Singh · AIR 126

133 words6 paragraphs

Conclusion

This would help in achieving goal of 'Sustainable Cities for Tomorrow'.

11 words

Cites LUCN Report as credible source
Provides specific statistics (80%, 60%)
Covers multiple impacts (area reduction, pollution, flooding)
Uses contemporary examples (Hyderabad, Kerala, Chennai)
Explains mechanism of eutrophication

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Mansi Singh

AIR 126

Subject & Paper

GS3GS1

Topic

Salient features of World's Physical Geography

Important Geophysical Phenomena

Human encroachment on water bodies

Writing Stats

164

Total words

Paragraphs

analytical, structured with examples

Tone

Linked PYQ

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