A continuously stratified nonlinear model for internal solitary waves in the northern South China Sea

Jieshuo Xie; Shuqun Cai; Yinghui He

doi:10.1007/s00343-010-9077-3

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A continuously stratified nonlinear model for internal solitary waves in the northern South China Sea

Updated：2023-05-16

- A continuously stratified nonlinear model for internal solitary waves in the northern South China Sea
- Journal of Oceanology and Limnology Vol. 28, Issue 5, Pages: 1040-1048(2010)
- Affiliations：
  
  LED South China Sea Institute of Oceanology Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-010-9077-3
  CLC：
- Online First：11 September 2010，
  
  Published：2010
- Accepted：
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Xie, J., Cai, S. & He, Y. A continuously stratified nonlinear model for internal solitary waves in the northern South China Sea., Chin. J. Ocean. Limnol. 28, 1040–1048 (2010). https://doi.org/10.1007/s00343-010-9077-3
DOI：

Xie, J., Cai, S. & He, Y. A continuously stratified nonlinear model for internal solitary waves in the northern South China Sea., Chin. J. Ocean. Limnol. 28, 1040–1048 (2010). https://doi.org/10.1007/s00343-010-9077-3 DOI：

摘要

Abstract

A continuously stratified nonlinear model is set up to study the impact of topographical character on the generation of internal solitary waves over a sill by tidal flow. One of the reasons why almost all of the generated internal solitary waves propagate westward in the northern South China Sea is explained. The model simulations describe the generation and propagation of internal waves well. When the strength of imposed barotropic tides and the water stratification stay unchanged

the steepness of the sill slope can control both (a) whether or not the waves induced over a sill by tidal flow are linear internal waves or nonlinear internal solitary waves

and (b) the amplitude of the internal solitary waves generated. If the steepness of the sill is asymmetric

the nonlinear internal solitary waves may be induced on the steeper side of the sill. These conclusions are supported by a numerical experiment with a monthly-mean stratification and an actual seafloor topography from the Luzon Strait.

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references

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