Q) What is the Pacific Decadal Oscillation (PDO)? Describe various phases of it. (10 marks, 150 words)
प्रशांत दशकीय दोलन क्या है? इसके विभिन्न चरणों का वर्णन कीजिए।
Demand of question: Candidates need to be aware of different geophysical phenomena in detail. This question tests the detailed understanding of the Pacific Decadal Oscillation.
Describe– When you’re asked to describe something, it means you need to write a thorough explanation that covers the question’s details, including the “how” and “why” aspects.
Structure of the Answer:
Introduction: Give a current context as to why this was in the news recently.
- Firstly, explain what Pacific Decadal Oscillation is.
- Next, explain its various phases in detail.
- Remember, to give separate subheadings for each of the parts.
Conclusion: Highlight the importance of keeping track of such geophysical phenomena and what the world and India is doing in this respect.
Part of the Syllabus: Paper-1 Geography (Important Geophysical Phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., geographical features and their location-changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes)