Tropical cyclones could be worse by marine heatwaves
GS3Economy · S&T · Environment · Security· Climate change & international agreements· Prelims + Mains·
Why in news
A study in *Science Advances* revealed that marine heatwaves 'supercharge' tropical cyclones, increasing the likelihood of rapid intensification and causing 60% more damage.
Background
Researchers from The University of Alabama analyzed over 40 years of data to link marine heatwaves to cyclone intensity. The study identified increasing heatwave frequencies in the East Pacific, North Atlantic, and North Indian Ocean basins.
Facts for Prelims
- FactMarine heatwaves increase the chance of billion-dollar cyclone disasters by 60%.
- PlaceActive tropical cyclone basins identified with increasing heatwaves: East Pacific, North Atlantic, and North Indian Ocean.
- S&TStudy published in *Science Advances* by researchers from The University of Alabama.
For Mains
Q. Discuss how marine heatwaves exacerbate the intensity of tropical cyclones and the implications for coastal disaster management in the North Indian Ocean.
Dimensions to cover in your answer
- Meteorological feedback: Thermal energy from marine heatwaves accelerating rapid cyclone intensification
- Infrastructure vulnerability: Increased frequency of billion-dollar disasters straining coastal disaster-resilience budgets
Keywords: Marine heatwaves · Rapid intensification · Tropical cyclones · Climate feedback · Disaster risk reduction
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