A numerical study on the circulation and tide in a zigzag bay

YU Huaming; WANG Zhaohua; KUANG Liang; WANG Lu; BAO Xianwen; WU He; WANG Xin; DENG Xiaodong

doi:10.1007/s13131-015-0604-0

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Article Navigation > Acta Oceanologica Sinica > 2015 > 34(1): 119-128

YU Huaming, WANG Zhaohua, KUANG Liang, WANG Lu, BAO Xianwen, WU He, WANG Xin, DENG Xiaodong. A numerical study on the circulation and tide in a zigzag bay[J]. Acta Oceanologica Sinica, 2015, 34(1): 119-128. doi: 10.1007/s13131-015-0604-0

Citation:

YU Huaming, WANG Zhaohua, KUANG Liang, WANG Lu, BAO Xianwen, WU He, WANG Xin, DENG Xiaodong. A numerical study on the circulation and tide in a zigzag bay[J]. Acta Oceanologica Sinica, 2015, 34(1): 119-128. doi: 10.1007/s13131-015-0604-0

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A numerical study on the circulation and tide in a zigzag bay

doi: 10.1007/s13131-015-0604-0

1.
College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266100, China;Physical Oceanography Laboratory of the Ministry of Education, Ocean University of China, Qingdao 266100, China
2.
College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266100, China
3.
Environmental Resource Management, Inc., PA 19406, USA
4.
National Ocean Technology Center, State Oceanic Administration, Tianjin 300112, China
5.
East China Sea Marine Forecasting Center, East China Sea Branch, State Oceanic Administration, Shanghai 200081, China

Received Date: 2014-01-21
Rev Recd Date: 2014-05-23

Abstract

Abstract

The Shacheng Bay (SCB) is one of the most complex coastal bays in southeast China and due to the fact of complicated geometry and dynamic coastal processes, it is considered as a challenging area for the numerical simulation of its hydrodynamic characteristics. The most advanced finite volume ocean model, finite- volume coastal ocean model (FVCOM), has adopted to simulate this hydrodynamic system, where tidal currents, tidal residual current and dye diffusion processes were studied and analyzed quantitatively. The validation of this numerical model matches well with various observation data, including elevation and current data. The misfit of a tidal elevation has a relative standard error of 3.66% and 4.67% for M₂ and S₂ tide components. The current validation shows a good match with an average error of 10 cm/s and 8° in the speed major axis and its direction respectively between the simulation and the measurement. This proves the robustness and reliability of this model. It is also found that the cape effect is significant and important in this system. The dye diffusion simulations show a 53 d flushing period for the whole inner bay waterbody. The results are of its first kind for understanding the hydrodynamic system in the SCB and they can provide helpful and trustful scientific information for others.
- FVCOM,
- Shacheng Bay,
- circulation,
- dye diffusion

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References(16)

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