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Quick Scan: Bakhira Lake and the Indian Summer Monsoon
ಸುದ್ದಿಯಲ್ಲಿ ಏಕೆ?
Mud that remembers rainfall: how Bakhira Lake's sediments reveal monsoon history, a wetlands question for Prelims
Bakhira Lake in Uttar Pradesh has been used to reconstruct past Indian Summer Monsoon variability.
Why it matters: factual, Prelims-type
What you need to know
2 ನಿಮಿಷ
Bakhira Lake, in Uttar Pradesh's Sant Kabir Nagar district, has been studied recently through sediment records to reconstruct variations in the Indian Summer Monsoon over the past.
It is a large freshwater wetland and forms part of the Bakhira Bird Sanctuary.
Lake sediments help scientists build long climate records because each layer preserves evidence of past rainfall and vegetation.
ಮೂಲಗಳು: Topper IAS editorial (PIB / The Hindu / Indian Express)
ಮುಖ್ಯ ಅಂಶಗಳು
Remember these
- Bakhira Lake lies in Sant Kabir Nagar district, Uttar Pradesh
- It is a large freshwater wetland and part of the Bakhira Bird Sanctuary
- Sediment layers preserve evidence of past rainfall and vegetation
- Sediment records are used to reconstruct Indian Summer Monsoon variability (paleoclimate)
- Study of past climate from natural archives such as lake sediments is called paleoclimatology
ಪ್ರಿಲಿಮ್ಸ್ · ಮೇನ್ಸ್
How the exam will ask it
ಪ್ರಿಲಿಮ್ಸ್
- Bakhira Lake is a freshwater wetland in Uttar Pradesh and forms part of the Bakhira Bird Sanctuary.
- Lake sediment layers act as natural archives of past rainfall and vegetation, helping reconstruct monsoon variability.
- Paleoclimate reconstruction uses proxy records, such as lake sediments, to infer climate before instrumental measurements.
ಮೇನ್ಸ್
GS-I Geography and GS-III Environment: the Indian Summer Monsoon drives agriculture and water security, yet instrumental records are short. Lake-sediment paleoclimate records from wetlands like Bakhira extend the baseline for understanding monsoon variability. Protecting such wetlands under the Wetlands (Conservation and Management) Rules preserves both biodiversity and these climate archives, informing forecasting and adaptation planning.
Quick recall
Answer before you reveal
ಎತ್ತರ ಹೆಚ್ಚಳದಿಂದ ಮುಳುಗಡೆ ಗ್ರಾಮಗಳ ಪರಿಹಾರ ಪ್ರಶ್ನೆ ಎದ್ದಿರುವ ಆಲಮಟ್ಟಿ ಅಣೆಕಟ್ಟು ಯಾವ ನದಿಗೆ ಅಡ್ಡಲಾಗಿ ನಿರ್ಮಿತವಾಗಿದೆ?
- ಕೃಷ್ಣಾ
- ತುಂಗಭದ್ರಾ
- ಭೀಮಾ
- ಮಲಪ್ರಭಾ
ಉತ್ತರ ನೋಡಿ
ಉತ್ತರ: A — ಸರಿ: Krishna — ವಿಜಯಪುರ ಜಿಲ್ಲೆಯ ಆಲಮಟ್ಟಿ ಅಣೆಕಟ್ಟು ಕೃಷ್ಣಾ ನದಿಗೆ ಅಡ್ಡಲಾಗಿದೆ.
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