A numerical study on the generation of a distinct type of nonlinear internal wave packet in the South China Sea

Tao Du; Xiaohai Yan; Duda Timothy

doi:10.1007/s00343-010-9095-1

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A numerical study on the generation of a distinct type of nonlinear internal wave packet in the South China Sea

OriginalPaper | Updated：2023-05-16

- A numerical study on the generation of a distinct type of nonlinear internal wave packet in the South China Sea
- A numerical study on the generation of a distinct type of nonlinear internal wave packet in the South China Sea
- 海洋湖沼学报（英文） 2010年28卷第3期页码：658-666
- Affiliations：
  
  1. Physical Oceanography Laboratory Ocean University of China
  2. Center for Remote Sensing Graduate College of Marine Studies University of Delaware Newark
  3. State Key Laboratory of Marine Environmental Science Xiamen University
  4. Woods Hole Oceanographic Institution
- Author bio：
- Funds：
  
  Supported by the National Basic Research Program of China (973 Program, No. 2007CB416605), by the Office of Naval Research (ONR) (No. N00014-03-0337), the National Aeronautics and Space Administration (No. NAG5-11773), and the National Oceanic and Atmospheric Administration (No. NA17EC2449).
- DOI：10.1007/s00343-010-9095-1
  中图分类号：
- 网络首发：2010-05-20，
  
  纸质出版：2010
- Accepted：
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A numerical study on the generation of a distinct type of nonlinear internal wave packet in the South China Sea[J]. 海洋湖沼学报（英文）, 2010,28(3):658-666.

Du, T., Yan, X. & Timothy, D. A numerical study on the generation of a distinct type of nonlinear internal wave packet in the South China Sea., Chin. J. Ocean. Limnol. 28, 658–666 (2010). https://doi.org/10.1007/s00343-010-9095-1
A numerical study on the generation of a distinct type of nonlinear internal wave packet in the South China Sea[J]. 海洋湖沼学报（英文）, 2010,28(3):658-666. DOI： 10.1007/s00343-010-9095-1.

Du, T., Yan, X. & Timothy, D. A numerical study on the generation of a distinct type of nonlinear internal wave packet in the South China Sea., Chin. J. Ocean. Limnol. 28, 658–666 (2010). https://doi.org/10.1007/s00343-010-9095-1 DOI：

摘要

Abstract

A distinct type of nonlinear internal-wave packet

with the largest internal solitary wave in the middle of the packet

was regularly observed in the South China Sea during the Asian Seas International Acoustics Experiment in 2001. Data analysis shows that the occurrence of the distinct internal wave packet is closely related with the occurrence of lower-high internal tides; the internal tides are mixed in the experimental area and

thus

there is diurnal inequality between the heights of two neighboring internal tides. Modeling of internal tides and internal solitary waves in a shoaling situation suggests that this type of wave packet can be generated in the South China Sea by the large shoaling of internal solitary waves and internal tides. Both the internal solitary waves and the internal tides come from the direction of Luzon Strait. The initial large internal solitary waves contribute to the occurrence of the largest internal solitary wave in the middle of the packet and the waves behind the largest internal solitary wave

while the shoaling internal tides bring about the nonlinear internal waves in front of the largest internal solitary wave via interaction with the local shelf topography.

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references

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