Effects of internal tidal dissipation and self-attraction and loading on semidiurnal tides in the Bohai Sea, Yellow Sea and East China Sea: a numerical study

Fei Teng; Guohong Fang; Xiaoqing Xu

doi:10.1007/s00343-017-6087-4

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Effects of internal tidal dissipation and self-attraction and loading on semidiurnal tides in the Bohai Sea, Yellow Sea and East China Sea: a numerical study

OriginalPaper | Updated：2023-05-16

- Effects of internal tidal dissipation and self-attraction and loading on semidiurnal tides in the Bohai Sea, Yellow Sea and East China Sea: a numerical study
- Effects of internal tidal dissipation and self-attraction and loading on semidiurnal tides in the Bohai Sea, Yellow Sea and East China Sea: a numerical study
- 海洋湖沼学报（英文） 2017年35卷第5期页码：987-1001
- Affiliations：
  
  1. Ocean University of China
  2. The First Institute of Oceanography State Oceanic Administration
- Author bio：
- Funds：
  
  Supported by the National Natural Science Foundation of China (Nos. 40676009, 40606006) and the Qingdao Science and Technology Basic Research Program (No. 11-1-4-98-jch)
- DOI：10.1007/s00343-017-6087-4
  中图分类号：
- 网络首发：2016-09-29，
  
  纸质出版：2017
- Accepted：
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Effects of internal tidal dissipation and self-attraction and loading on semidiurnal tides in the Bohai Sea, Yellow Sea and East China Sea: a numerical study[J]. 海洋湖沼学报（英文）, 2017,35(5):987-1001.

Teng, F., Fang, G. & Xu, X. Effects of internal tidal dissipation and self-attraction and loading on semidiurnal tides in the Bohai Sea, Yellow Sea and East China Sea: a numerical study., Chin. J. Ocean. Limnol. 35, 987–1001 (2017). https://doi.org/10.1007/s00343-017-6087-4
Effects of internal tidal dissipation and self-attraction and loading on semidiurnal tides in the Bohai Sea, Yellow Sea and East China Sea: a numerical study[J]. 海洋湖沼学报（英文）, 2017,35(5):987-1001. DOI： 10.1007/s00343-017-6087-4.

Teng, F., Fang, G. & Xu, X. Effects of internal tidal dissipation and self-attraction and loading on semidiurnal tides in the Bohai Sea, Yellow Sea and East China Sea: a numerical study., Chin. J. Ocean. Limnol. 35, 987–1001 (2017). https://doi.org/10.1007/s00343-017-6087-4 DOI：

摘要

Abstract

A parameterized internal tide dissipation term and self-attraction and loading (SAL) tide term are introduced in a barotropic numerical model to investigate the dynamics of semidiurnal tidal constituents M 2 and S 2 in the Bohai Sea

Yellow Sea and East China Sea (BYECS). The optimal parameters for bottom friction and internal dissipation are obtained through a series of numerical computations. Numerical simulation shows that the tide-generating force contributes 1.2% of M 2 power for the entire BYECS and up to 2.8% for the East China Sea deep basin. SAL tide contributes 4.4% of M 2 power for the BYECS and up to 9.3% for the East China Sea deep basin. Bottom friction plays a major role in dissipating tidal energy in the shelf regions

and the internal tide effect is important in the deep water regions. Numerical experiments show that artificial removal of tide-generating force in the BYECS can cause a significant difference (as much as 30 cm) in model output. Artificial removal of SAL tide in the BYECS can cause even greater difference

up to 40 cm. This indicates that SAL tide should be taken into account in numerical simulations

especially if the tide-generating force is considered.

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references

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