Numerical study on the tidal front in the Western Yellow Sea

Bi Yawen; Zhao Baoren

doi:10.1007/BF02850635

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Numerical study on the tidal front in the Western Yellow Sea

OriginalPaper | Updated：2023-05-16

- Numerical study on the tidal front in the Western Yellow Sea
- Numerical study on the tidal front in the Western Yellow Sea
- 海洋湖沼学报（英文） 1993年11卷第4期页码：305-313
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
  
  Contribution No. 2224 from the Institute of Oceanology, Academia Sinica.;This work is a part of the M. S. thesis of Bi Yawen and supported by the National Natural Science Foundation of China.
- DOI：10.1007/BF02850635
  中图分类号：
- 纸质出版：1993
- Accepted：
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Numerical study on the tidal front in the Western Yellow Sea[J]. 海洋湖沼学报（英文）, 1993,11(4):305-313.

Yawen, B., Baoren, Z. Numerical study on the tidal front in the Western Yellow Sea., Chin. J. Ocean. Limnol. 11, 305–313 (1993). https://doi.org/10.1007/BF02850635
Numerical study on the tidal front in the Western Yellow Sea[J]. 海洋湖沼学报（英文）, 1993,11(4):305-313. DOI： 10.1007/BF02850635.

Yawen, B., Baoren, Z. Numerical study on the tidal front in the Western Yellow Sea., Chin. J. Ocean. Limnol. 11, 305–313 (1993). https://doi.org/10.1007/BF02850635 DOI：

摘要

Abstract

The formation and evolution of the tidal front in the western Yellow Sea are studied by means of a two-dimensional model in which wind and tide mixing

sun radiation and wind stress

and realistic topography are incorporated. In this numerical study

the schemes employed are stable for time step Δt=900 s

so the model can be run for 4 months to simulate the front evolution. The authors examined the effects of mixing and atmospheric focing on the tidal front under conditions of: mixing and solar heating without wind stress on the sea surface; mixing

solar heating and 50 hours of wind stress; mixing

solar heating and long time periodical wind stress. Results show that (1) the tidal front forms at the beginning of May

and strengthens with the increasing of heat input

(2) the temperature structure in the shallow well-mixed water is dominated by mixing

while in the front and deeper stratified regions

it is controlled by the joint effects of (mainly) mixing and advection

(3) the currents and front all respond to the variation of wind stress on the sea surface with a time lag of 7 and 30 hours respectively

(4) the front strength and position can be affected by the Ekman transport.

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references

Arakawa, A., 1966. Computational design for long term numerical integration of the equation of fluid motion: Two dimensional incompressible flow, Part I.Journal of Computational Physics 1: 119–143.

Bi Yawen and Zhao Baoren, 1993. Numerical simulation of currents structure across front in western Yellow Sea.Marine Science 5 (6). (in Chinese)

Garrett, C. G. R. and Loder, J. W., 1981. Dynamical aspects of shallow sea fronts.Phil. Trans. Res. Soc. Lond. A302: 563–581.

James, I. D., 1977. A model of the annual cycle of temperature in a frontal region of the Celtic Sea.Estuarine and Coastal Marine Sci. 5 (3): 339–353.

James, I. D., 1978. A note on the circulation induced by a shallow-sea front.Estuarine and Coastal Marine Sci. 7: 197–202.

James, I. D., 1981. Fronts and circulation models.Phil. Trans. Res. Soc. Lond. A302: 597–604

James, I. D., 1988. Experiments with a numerical model of coastal currents and tidal mixing.Continental Shelf Res. 8 (12): 1275–1277.

Munk, W. H. and Anderson, E. R., 1948. Notes on a theory of the thermocline.Journal of Marine Res. 7: 276–295.

Pan Youlian, 1987. An analysis of annual observation data on transparency and submarinc illuminance at two stations in Jiaozhou Bay.Marine Science 3: 49–53. (in Chinese with English abstract)

Simpson, J. H. and Hunter, J. R., 1974. Fronts in the Irish Sea.Nature 250: 404–406.

Wang Dongping, Chen, D. and Sherwin, T. J., 1990. Coupling between mixing and convection in a shallow sea front.Continental Shelf Res. 10 (2): 123–136.

Zhao Baoren, 1985. The fronts of the Huanghai Sea cold water mass induced by tidal mixing.Oceanologia et Limnologia Sinica 16 (6): 451–460. (in Chinese with English abstract)

Zhao Baoren, 1987a. The continental shelf fronts induced by tidal mixing in the Huanghai Sea.Journal of Oceanography of Huanghai & Bohai Seas 5 (2): 16–23. (in Chinese with English abstract)

Zhao Baoren, 1987b. A preliminary study of continental shelf fronts in the western part of southern Huanghai Sea and circulation structure in the front region of the Huanghai Cold Water Mass (HCWM).Oceanologia et Limnologia Sinica 15(3): 217–226. (in Chinese with English abstract)

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