Numerical study on the interannual oscillation of sea surface temperature in the South China Sea

Wang Dong-xiao; Zhou Fa-xiu; Fu Gang; Qin Zeng-hao

doi:10.1007/BF02850542

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Numerical study on the interannual oscillation of sea surface temperature in the South China Sea

OriginalPaper | Updated：2023-05-16

- Numerical study on the interannual oscillation of sea surface temperature in the South China Sea
- Numerical study on the interannual oscillation of sea surface temperature in the South China Sea
- 海洋湖沼学报（英文） 1996年14卷第1期页码：61-67
- Affiliations：
  
  Dept. Marine Meteo
- Author bio：
- Funds：
  
  Supported by NSFC (No. 49176251)
- DOI：10.1007/BF02850542
  中图分类号：
- 纸质出版：1996
- Accepted：
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Numerical study on the interannual oscillation of sea surface temperature in the South China Sea[J]. 海洋湖沼学报（英文）, 1996,14(1):61-67.

Dong-xiao, W., Fa-xiu, Z., Gang, F. et al. Numerical study on the interannual oscillation of sea surface temperature in the South China Sea., Chin. J. Ocean. Limnol. 14, 61–67 (1996). https://doi.org/10.1007/BF02850542
Numerical study on the interannual oscillation of sea surface temperature in the South China Sea[J]. 海洋湖沼学报（英文）, 1996,14(1):61-67. DOI： 10.1007/BF02850542.

Dong-xiao, W., Fa-xiu, Z., Gang, F. et al. Numerical study on the interannual oscillation of sea surface temperature in the South China Sea., Chin. J. Ocean. Limnol. 14, 61–67 (1996). https://doi.org/10.1007/BF02850542 DOI：

摘要

Abstract

A two and a half layer oceanic model of wind-driven

thermodynamical general circulation is applied to study the interannual oscillation of sea surface temperature (SST) in the South China Sea (SCS). The model consists of two active layers: the upper mixed layer (UML) and the seasonal thermocline

with the motionless abyss beneath them. The governing equations which include momentum

continuity and sea temperature for each active layer

can describe the physics of Boussinseq approximation

reduced gravity and equatorial β-plane. The formulas for the heat flux at the surface and at the interface between two active layers are designed on the Haney scheme. The entrainment and detrainment at the bottom of the UML induces vertical transport of mass

momentum and heat

and couples of dynamic and thermodynamic effects. Using leap-frog integrating scheme and the Arakawa—C grid the model is forced by a time-dependent wind anomaly stress pattern obtained from category analysis of COADS. The numerical results indicate that there is a kind of oscillation with about 30 months period. The paper supports the opinion that the SST interannual oscillation is the oceanic response to the forcing by monsoon wind anomalies in the SCS.

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references

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McCreary Jr., J. P., Yu Zuojun, 1992. Equatorial dynamics in a 2 1/2 layer model.Prog. Oceano. 29: 61–132.

McCreary Jr., J. R., Kundu, P. K., 1988. A numerical investigation of the Somali Current during the Southwest Monsoon.J. Mari. Res.,46: 25–58.

Neelin, J. D., 1991. The slow sea surface temperature model and the fast-wave limit: Analytic theory for tropical interannual oscillations and experiments in a hybrid coupled model.J. Atmos. Sci.,48: 584–606.

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Zhou Faxiu, Yu Shenyu, 1991. The low frequency oscillation of SST in the South China Sea.Acta Oceano. Sinica,13: 333–338. (in Chinese with English abstract).

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