Observations and analysis of tidal fronts in the southwestern Huanghai Sea

ZHOU Feng; HUANG Da-ji; WAN Rui-jing; SU Ji-lan; ZHANG Tao; DING Tao; ZHOU Bei-feng

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ZHOU Feng, HUANG Da-ji, WAN Rui-jing, SU Ji-lan, ZHANG Tao, DING Tao, ZHOU Bei-feng. Observations and analysis of tidal fronts in the southwestern Huanghai Sea[J]. Haiyang Xuebao, 2008, 30(3): 9-15.

Citation:

ZHOU Feng, HUANG Da-ji, WAN Rui-jing, SU Ji-lan, ZHANG Tao, DING Tao, ZHOU Bei-feng. Observations and analysis of tidal fronts in the southwestern Huanghai Sea[J]. Haiyang Xuebao, 2008, 30(3): 9-15.

ZHOU Feng, HUANG Da-ji, WAN Rui-jing, SU Ji-lan, ZHANG Tao, DING Tao, ZHOU Bei-feng. Observations and analysis of tidal fronts in the southwestern Huanghai Sea[J]. Haiyang Xuebao, 2008, 30(3): 9-15.

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Observations and analysis of tidal fronts in the southwestern Huanghai Sea

1.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;Department of Mechanics, School of Aeronautics and Astronautics of Zhejiang University, Hangzhou 310027, China
2.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
3.
Yellow Sea Fisheries Reserach Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China

Received Date: 2007-02-08
Rev Recd Date: 2007-05-13

Abstract

Abstract

Based on the inter disciplinary data observed in June fr om 2001 to 2004,as well as MODIS/Terra SST in the same periods,the distributions and characteristics of tidal fronts in the southwestern Huanghai Sea are analyzed.The Simpson Hunter frontal predictors log(h/u³) are calculated through a 5'×5' 3D tide model,which yields results consisting with in situ and satellite observations.This paper reveals that:(1) There are significant tidal fronts in the southwestern Huang hai Sea,locate mainly at two areas:off-shore of Subei Shoal and Haizhou Bay;the off shore of eastern parts of Shang dong Peninsula,from Shidao to Cheng shantou.The SST cold water is not continuous in the south shore of the Peninsula,from 121°E to 122°E,which at least tells us no significant fronts there.(2) The disconnecting characteristic to the east coast of Qingdao is due to the weak tidal stirring and deeper bat hymetry,where the strat ification is relatively strong.The fronts distribute in well agreement with contours of log(h/u³) 2.2.The disconnecting characteristics of tidal fronts might have significant impacts on the distribution of chlorophylla,calanus sinicus and anchovy eggs,which concent rate mainly in the places where tidal fronts distribute distinctly.
- Huanghai Sea,
- tidal fronts,
- SST

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References(22)

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