INCOIS issues Marine Heat Wave and swell surge warnings across Indian Ocean regions
GS1History · Society · Geography· Physical geography (landforms, oceans, climate)· Prelims·
Climate change and oceanographic anomalies: a relevant GS1 Geography and GS3 Disaster Management topic.
Why in news
INCOIS issued Marine Heat Wave and swell surge warnings across the Arabian Sea, Indian Ocean, and Bay of Bengal due to significant sea surface temperature anomalies.
Background
INCOIS reported sea surface temperature anomalies reaching up to 1 degree Celsius above normal levels. The swell surge warning covers waves of one metre or higher impacting coastal regions and the Andaman and Nicobar Islands.
Facts for Prelims
- BodyINCOIS: Indian National Centre for Ocean Information Services
- FactMarine Heat Wave: Sea surface temperature anomalies up to 1 degree Celsius above normal
- FactSwell surge warning: Waves of one metre or higher
- PlaceAffected regions: Arabian Sea, Indian Ocean, Bay of Bengal, and Andaman and Nicobar Islands
Prelims practice question
What is the threshold for a swell surge warning issued by INCOIS in the context of recent warnings?
- (a)Three metres or higher
- (b)One metre or higher
- (c)Two metres or higher
- (d)Half a metre or higher
Show answer
Answer: (b) One metre or higher — The swell surge warning covers waves of one metre or higher impacting coastal regions and the Andaman and Nicobar Islands.
For Mains
Q. Discuss the impact of rising sea surface temperatures on coastal ecosystems and the importance of early warning systems in disaster management.
Dimensions to cover in your answer
- Ecological stress: Coral bleaching and marine biodiversity loss due to thermal anomalies
- Infrastructure vulnerability: Coastal erosion and damage to maritime assets from high swell surges
- Data-driven resilience: Role of real-time oceanographic monitoring in mitigating climate-induced hazards
Keywords: Marine Heat Wave · Swell Surge · Oceanic Anomalies · Coastal Resilience · Early Warning Systems
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This note is generated automatically from SatyaDheesh's news feed and mapped to the UPSC CSE syllabus. Check facts against the original report or PIB before using them in an answer.