The fronts of the Huanghai cold water mass (HCWM) induced by tidal mixing

Zhao Baoren

doi:10.1007/BF02850432

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The fronts of the Huanghai cold water mass (HCWM) induced by tidal mixing

Updated：2023-05-16

- The fronts of the Huanghai cold water mass (HCWM) induced by tidal mixing
- Journal of Oceanology and Limnology Vol. 4, Issue 2, Pages: 159-170(1986)
- Affiliations：
  
  Institute of Occanology
- Author bio：
- Funds：
- DOI：10.1007/BF02850432
  CLC：
- Published：1986
- Accepted：
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Baoren, Z. The fronts of the Huanghai cold water mass (HCWM) induced by tidal mixing., Chin. J. Ocean. Limnol. 4, 159–170 (1986). https://doi.org/10.1007/BF02850432
DOI：

Baoren, Z. The fronts of the Huanghai cold water mass (HCWM) induced by tidal mixing., Chin. J. Ocean. Limnol. 4, 159–170 (1986). https://doi.org/10.1007/BF02850432 DOI：

摘要

Abstract

Since Simpson and Hunter proposed in 1971 the idea that shallow water fronts were induced by tidal mixing

many authors have investigated the tide induced shallow water fronts in various areas. It was generally assumed that a critical value of the stratified parameterK=log10(H/U 3) may be used to identify the location of these fronts. Here

H means the depth of sea waler. U denotes the characteristic velocity of tidal current. and the critical value ofK is generally laken as 1.8–2.0. In this paper. Simpson-Hunter’s stratified parameterK was calculated by using quasi-maximum current velocity (which consists of the six main tidal constituents. i.e.M 2.S 2

O 1.K 1.M 4

MS4) in the H ranghai Sea (Yellow Sea) and in the northern Donghai Sea (East China Sea) as well. Caleulated results show that the areas of the Subei (the northern part of Jiangsu) Shoal. the area off the mouth area of the Changjiang (the Yangtze) River

along the coast of Shandong Peninsula. and along the western coast of Korea

the tidal mixing is strong. Calculations also show that along the whole boundary of the HCWM and also along the western boundary of the cyclonic eddy in the northern Donghai Sea

i.e. along the fronts

the value ofK is found to be very close to the eritical value 1.8. It is also to be noied that at these locations

the temperature of the surface water is very low. These clearly show that shallow water fronts in the Huanghai Sea and in the northern Donghai Sea as well

are induced by tidal mixing.

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references

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