Reduced Wind Power on Oceanic Near-Inertial Internal Waves in a Warming Climate
ID：514
Poster Presentation
2027-01-15 16:00 （China Standard Time）
Session：Session 76 - Internal Waves and Ocean Mixing
Abstract
| Wind power on oceanic near-inertial internal waves (WI) is one of the major energy sources to sustain ocean turbulent diapycnal mixing. However, its response to global warming remains poorly understood. Using a high-resolution climate simulation that simulates WI reasonably well, we show that under a high-emission scenario, the quasi-globally (5{degree sign}-60{degree sign} latitudes) integrated WI exhibits a significant negative trend of -5.1×10-2 TW per century during 2001-2100, decreasing by about 13% by the end of the 21st century compared to its present level. This decline is driven by reduced near-inertial wind stress variance, primarily due to weakened mid-latitude storm activities resulting from a poleward shift of storm tracks in both hemispheres and weakening of storm tracks in the Northern Hemisphere. Our findings suggest that near-inertial internal waves should likely weaken in a warming climate, with important implications for ocean turbulent diapycnal mixing. |
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Important Dates
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Jan 30
2026
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Mar 31
2026
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Apr 30
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Jun 30
2026
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Aug 31
2026
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Sep 15
2026
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Oct 15
2026
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Jan 12–15
2027
XMAS 2027