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:
This would help in achieving goal of 'Sustainable Cities for Tomorrow'.
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
Mansi Singh
Salient features of World's Physical Geography
Important Geophysical Phenomena
Human encroachment on water bodies
164
Total words
6
Paragraphs
analytical, structured with examples
Tone