Barotropic current fluctuations coupled with sea level drawdown in Yellow and Bohai Seas

Kai Wan; Xianwen Bao; Yi Wang; Xiuquan Wan; Haoqian Li; Ke Liu

doi:10.1007/s00343-015-4056-3

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Barotropic current fluctuations coupled with sea level drawdown in Yellow and Bohai Seas

Updated：2023-05-16

- Barotropic current fluctuations coupled with sea level drawdown in Yellow and Bohai Seas
- Journal of Oceanology and Limnology Vol. 33, Issue 1, Pages: 272-281(2015)
- Affiliations：
  
  1. College of Physical and Environmental Oceanography Ocean University of China
  2. North China Sea Marine Engineering Prospecting Institute of State Oceanic Administration
  3. Key Laboratory of Physical Oceanography Ministry of Education of China Ocean University of China
  4. North China Sea Marine Forecasting Centre of State Oceanic Administration
  5. Qingdao Meteorological Administration
- Author bio：
- Funds：
- DOI：10.1007/s00343-015-4056-3
  CLC：
- Online First：27 October 2014，
  
  Published：2015
- Accepted：
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Wan, K., Bao, X., Wang, Y. et al. Barotropic current fluctuations coupled with sea level drawdown in Yellow and Bohai Seas., Chin. J. Ocean. Limnol. 33, 272–281 (2015). https://doi.org/10.1007/s00343-015-4056-3
DOI：

Wan, K., Bao, X., Wang, Y. et al. Barotropic current fluctuations coupled with sea level drawdown in Yellow and Bohai Seas., Chin. J. Ocean. Limnol. 33, 272–281 (2015). https://doi.org/10.1007/s00343-015-4056-3 DOI：

摘要

Abstract

Sub-tidal barotropic current variations coupled with residual sea level fluctuation in the Bohai and Yellow Seas during wintertime are addressed in this study. The temporal evolution and spatial distribution of current fluctuation are investigated using moored acoustic Doppler current profiler data in a three-dimensional numerical model. It is found that a southward current followed by a northward current occurred in the northern Yellow Sea during the fluctuation

concurrent with a significant outflow followed by inflow through the Bohai Strait. The process is consistent from surface to bottom and is coupled with remarkable residual sea level fluctuation. This quasi three-day fluctuation with amplitude 0.2–0.3 m/s leads to 1 m/1.2 m drawdown in the northern Yellow and Bohai Seas

respectively

strongly influencing water exchange between those seas. Because this a prominent feature in the seas

it is necessary to evaluate its effect on fluctuation during winter in future studies

in particular

the northward current during the recovery phase of sea level in the Bohai and Yellow Seas regarding seasonal variation.

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references

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