September 3, 2024Geophysical Research LettersOpen Access

Intraseasonal Variations and Extreme Occurrence in the Local Sea Level Along the Western Coast of India Remotely Controlled by a Basin‐Scale Climate Variability

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Remotely excited equatorial kelvin waves and coastal trapped waves drive intraseasonal sea level extremes along the western coast of India, modulating local event frequency.
Extreme event occurrences correlate directly with Indian Ocean Dipole phases, and eddy-resolving ocean model simulations accurately replicate observed extreme frequencies.
Coarse non-eddying models fail to capture wave dynamics tied to the Rossby radius of deformation, suggesting standard climate models underestimate future coastal sea level risks.

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Implication

Ocean modeling reveals basin-scale climate modes drive extreme coastal sea levels in western India, indicating coarse climate projections may underestimate future risks.

Cite This Study

Yamagami et al. (2024) studied this question.

synapsesocial.com/papers/68e598dfb6db6435875337a2 https://doi.org/10.1029/2024gl108737

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Implication

Ocean modeling reveals basin-scale climate modes drive extreme coastal sea levels in western India, indicating coarse climate projections may underestimate future risks.

Intraseasonal Variations and Extreme Occurrence in the Local Sea Level Along the Western Coast of India Remotely Controlled by a Basin‐Scale Climate Variability

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Discussion

Implication

Cite This Study

Intraseasonal Variations and Extreme Occurrence in the Local Sea Level Along the Western Coast of India Remotely Controlled by a Basin‐Scale Climate Variability

Key Points

Discussion

Implication

Cite This Study

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