Estimates of global M 2 internal tide energy fluxes using TOPEX/POSEIDON altimeter data

Yanwei Zhang; Xinfeng Liang; Jiwei Tian; Lifen Yang

doi:10.1007/s00343-009-0129-5

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Estimates of global M 2 internal tide energy fluxes using TOPEX/POSEIDON altimeter data

OriginalPaper | Updated：2023-05-16

- Estimates of global M 2 internal tide energy fluxes using TOPEX/POSEIDON altimeter data
- Estimates of global M 2 internal tide energy fluxes using TOPEX/POSEIDON altimeter data
- 海洋湖沼学报（英文） 2009年27卷第1期页码：129-134
- Affiliations：
  
  Physical Oceanography Laboratory Ocean University of China
- Author bio：
- Funds：
  
  Supported by the National Basic Research Program of China (973 Program, No. 2005CB422303), the International Cooperation Program (No. 2004DFB02700), and the National Natural Science Foundation of China (No. 40552002). The TOPEX/POSEIDON data are provided by Physical Oceanography Distributed Active Archive Center (PO DACC)
- DOI：10.1007/s00343-009-0129-5
  中图分类号：
- 网络首发：2009-03-27，
  
  纸质出版：2009
- Accepted：
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Estimates of global M 2 internal tide energy fluxes using TOPEX/POSEIDON altimeter data[J]. 海洋湖沼学报（英文）, 2009,27(1):129-134.

Zhang, Y., Liang, X., Tian, J. et al. Estimates of global M, 2 internal tide energy fluxes using TOPEX/POSEIDON altimeter data., Chin. J. Ocean. Limnol. 27, 129–134 (2009). https://doi.org/10.1007/s00343-009-0129-5
Estimates of global M 2 internal tide energy fluxes using TOPEX/POSEIDON altimeter data[J]. 海洋湖沼学报（英文）, 2009,27(1):129-134. DOI： 10.1007/s00343-009-0129-5.

Zhang, Y., Liang, X., Tian, J. et al. Estimates of global M, 2 internal tide energy fluxes using TOPEX/POSEIDON altimeter data., Chin. J. Ocean. Limnol. 27, 129–134 (2009). https://doi.org/10.1007/s00343-009-0129-5 DOI：

摘要

Abstract

TOPEX/POSEIDON altimeter data from October 1992 to June 2002 are used to calculate the global barotropic M 2 tidal currents using long-term tidal harmonic analysis. The tides calculated agree well with ADCP data obtained from the South China Sea (SCS). The maximum tide velocities along the semi-major axis and semi-minor axis can be computed from the tidal ellipse. The global distribution of M 2 internal tide vertical energy flux from the sea bottom is calculated based on a linear internal wave generation model. The global vertical energy flux of M 2 internal tide is 0.96 TW

with 0.36 TW in the Pacific

0.31 TW in the Atlantic and 0.29 TW in the Indian Ocean

obtained in this study. The total horizontal energy flux of M 2 internal tide radiating into the open ocean from the lateral boundaries is 0.13 TW

with 0.06 TW in the Pacific

0.04TW in the Atlantic

and 0.03 TW in the Indian Ocean. The result shows that the principal lunar semi-diurnal tide M 2 provides enough energy to maintain the large-scale thermohaline circulation of the ocean.

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references

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