Significant Internal-Wave-Induced Heat Transport from the Luzon Strait in the Northern South China Sea
ID：510
Poster Presentation
2027-01-15 16:30 （China Standard Time）
Session：Session 76 - Internal Waves and Ocean Mixing
Abstract
Internal waves are often neglected in oceanic heat transport estimates. Using 487 glider profiles from the northern South China Sea, we quantify the contributions of semidiurnal, diurnal, and near-inertial waves to heat transport. Near-inertial waves induce the strongest temperature anomalies (up to 0.5°C in the upper 1000 m), followed by diurnal waves, with semidiurnal waves being the weakest. Although the three wave types contribute only 6.7% to total heat transport on average, instantaneous effects reach 827% above background. Near-inertial and diurnal waves dominate temporally and spatially, with near-inertial waves exhibiting broader spatial influence. Correlation analyses trace near-inertial waves to remote generation in the Luzon Strait, whereas diurnal waves are locally transferred from near-inertial waves. In energetic strait environments, internal-wave-induced heat transport—particularly from near-inertial waves—must be included in heat budget analyses.
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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
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Oct 15
2026
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Jan 12–15
2027
XMAS 2027