Seasonal variability of thermocline in the Yellow Sea

Qiao Fangli; Xia Changshui; Shi Jianwei; Ma Jian; Ge Renfeng; Yuan Yeli

doi:10.1007/BF02842563

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Seasonal variability of thermocline in the Yellow Sea

OriginalPaper | Updated：2023-05-16

- Seasonal variability of thermocline in the Yellow Sea
- Seasonal variability of thermocline in the Yellow Sea
- 海洋湖沼学报（英文） 2004年22卷第3期页码：299-305
- Affiliations：
  
  1. The First Institute of Oceanography State Oceanic Administration (SOA)
  2. Key Laboratory of Marine Science and Numerical Modeling (MASNUM) SOA
- Author bio：
- Funds：
  
  Supported by the National Basic Research Program of China (G1999043809) and the National Science Foundation of China (No. 49736190).
- DOI：10.1007/BF02842563
  中图分类号：
- 纸质出版：2004
- Accepted：
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Seasonal variability of thermocline in the Yellow Sea[J]. 海洋湖沼学报（英文）, 2004,22(3):299-305.

Fangli, Q., Changshui, X., Jianwei, S. et al. Seasonal variability of thermocline in the Yellow Sea., Chin. J. Ocean. Limnol. 22, 299–305 (2004). https://doi.org/10.1007/BF02842563
Seasonal variability of thermocline in the Yellow Sea[J]. 海洋湖沼学报（英文）, 2004,22(3):299-305. DOI： 10.1007/BF02842563.

Fangli, Q., Changshui, X., Jianwei, S. et al. Seasonal variability of thermocline in the Yellow Sea., Chin. J. Ocean. Limnol. 22, 299–305 (2004). https://doi.org/10.1007/BF02842563 DOI：

摘要

Abstract

Based on the MASNUM wave-tide-circulation coupled numerical model

seasonal variability of thermocline in the Yellow Sea was simulated and compared with in-situ observations. Both simulated mixed layer depth (MLD) and thermocline intensity have similar spatial patterns to the observations. The simulated maximum MLD are 8 m and 22 m

while the corresponding observed values are 13 m and 27 m in July and October

respectively. The simulated thermocline intensity are 1.2°C/m and 0.5°C/m in July and October

respectively

which are 0.6°C/m less than those of the observations. It may be the main reason why the simulated thermocline is weaker than the observations that the model vertical resolution is less precise than that of the CTD data which is 1 m. Contours of both simulated and observed thermocline intensity present a circle in general. The wave-induced mixing plays a key role in the formation of the upper mixed layer in spring and summer. Tidal mixing enhances the thermocline intensity. Buoyancy-driven mixing destroys the thermocline in autumn and keeps the vertical temperature uniform in winter.

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Keywords

references

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