IOCAS-IR
Different Types of Near-Inertial Internal Waves Observed by Lander in the Intermediate-Deep Layers of the South China Sea and Their Generation Mechanisms
Hou, Huaqian1,2,3; Xu, Tengfei1,2,3; Li, Bin4; Yang, Bing5; Wei, Zexun1,2,3; Yu, Fei5
2022-05-01
Source PublicationJOURNAL OF MARINE SCIENCE AND ENGINEERING
Volume10Issue:5Pages:24
Corresponding AuthorYu, Fei(yuf@qdio.ac.cm)
AbstractWe report the direct and quantitative measurement of five significant near-inertial waves (NIWs) events observed by Lander at water depths of 600 m to 1100 m at 119 degrees 17 ' E and 22 degrees 06 ' N in the northern South China Sea from July to November 2017. We found that these five NIWs events lead to strong shearing, which plays an important role in deep water mixing. Each event corresponds to several different NIWs generation mechanisms. The results show that the NIWs events generated by typhoons were the most regular. This was caused by dispersive NIWs propagation over long periods of time and over long distances. NIWs formed by spontaneous generation do not have this feature. The strongest NIWs events during the observation period were caused by a combination of shelf wave attenuation and monsoon. This time, the signal was transmitted to the seabed, and the upward signal reflected in the meridional direction was found. The reflected signal was anisotropically affected by the seabed topography. A horizontally propagated NIWs event with relatively weak dispersion was also found in this study. Based on the topography, we suspect it was formed by the Lee wave, but we cannot provide any more useful evidence.
Keywordnear-inertial waves Lander typhoon subinertial current lee wave
DOI10.3390/jmse10050594
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2019YFC1408400] ; National Natural Science Foundation of China[4200060881] ; CAS Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology[KLOCW2005] ; Qian Xuesen Laboratory of Space Technology[GZZKFJJ2020005]
WOS Research AreaEngineering ; Oceanography
WOS SubjectEngineering, Marine ; Engineering, Ocean ; Oceanography
WOS IDWOS:000803592800001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/179333
Collection中国科学院海洋研究所
Corresponding AuthorYu, Fei
Affiliation1.Minist Nat Resources, Key Lab Marine Sci & Numer Modeling, Inst Oceanog 1, Qingdao 266061, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao 266237, Peoples R China
3.Shandong Key Lab Marine Sci & Numer Modeling, Qingdao 266061, Peoples R China
4.Chinese Acad Sci, Shenyang Inst Automat, Shenyang 100169, Peoples R China
5.Chinese Acad Sci, Inst Oceanog, Qingdao 266071, Peoples R China
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Hou, Huaqian,Xu, Tengfei,Li, Bin,et al. Different Types of Near-Inertial Internal Waves Observed by Lander in the Intermediate-Deep Layers of the South China Sea and Their Generation Mechanisms[J]. JOURNAL OF MARINE SCIENCE AND ENGINEERING,2022,10(5):24.
APA Hou, Huaqian,Xu, Tengfei,Li, Bin,Yang, Bing,Wei, Zexun,&Yu, Fei.(2022).Different Types of Near-Inertial Internal Waves Observed by Lander in the Intermediate-Deep Layers of the South China Sea and Their Generation Mechanisms.JOURNAL OF MARINE SCIENCE AND ENGINEERING,10(5),24.
MLA Hou, Huaqian,et al."Different Types of Near-Inertial Internal Waves Observed by Lander in the Intermediate-Deep Layers of the South China Sea and Their Generation Mechanisms".JOURNAL OF MARINE SCIENCE AND ENGINEERING 10.5(2022):24.
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