Ocean Science
Ocean Science
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Articles | Volume 21, issue 5
Articles | Volume 21, issue 5
https://doi.org/10.5194/os-21-2631-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-21-2631-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 5
Research article
 | 
28 Oct 2025
Research article |  | 28 Oct 2025

Enhancement of near-inertial waves by cyclonic eddy in the northwestern South China Sea during spring 2022

Qi'an Chen, Hongzhou Xu, Dongxiao Wang, Bo Hong, Chunlei Liu, Zheyang Zhang, Huichang Jiang, Wei Song, Tong Long, Ling Wang, Sumin Liu, and Rongjie Chen

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Short summary
NIWs (near-inertial waves) have horizontal spatial scales of 10–100 km and slow group velocities, making them to interact strongly with mesoscale eddies. In the northwestern SCS (South China Sea), large portion of eddy propagate westward and may interact with local NIWs. In this study, four moorings were deployed in this area and they captured a vivid case of interaction between a cyclonic eddy and NIWs. Our paper provides direct evidence of strong interaction between eddy and NIWs in the northwestern SCS.
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