Topic: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.,
1. Increasing trend of urban flooding is a universal phenomenon and poses a great challenge to urban planners the world over. Comment. (250 words)
Difficulty level: Easy
Reference: Insights on India
Why the question:
The question is part of the static syllabus of General studies paper – 1 and mentioned as part of Mission-2022 Secure timetable.
Key Demand of the question:
To understand the cause of urban floods and ways to mitigate them
Directive word:
Comment- here we must express our knowledge and understanding of the issue and form an overall opinion thereupon.
Structure of the answer:
Introduction:
Begin by explaining what is urban flood and the widespread nature of this issue.
Body:
Mention the causes of urban floods such as lake bed encroachments, deforestation etc.
Next, mention the need for a city wise strategic approach and recourse in the building codes and by-laws of cities to ensure proper drainage channels and provision for perforation of rainfall into ground water to avoid urban floods.
Conclusion:
Conclude by giving examples of few regions that have mastered the techniques of managing floods and stress on the need for other cities to follow suit.
