Numerical simulation of water exchange in the Qinzhou Bay of China

Chen Zhenhua; Xia Changshui; Qiao Fangli

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Chen Zhenhua, Xia Changshui, Qiao Fangli. Numerical simulation of water exchange in the Qinzhou Bay of China[J]. Haiyang Xuebao, 2017, 39(3): 14-23.

Citation:

Chen Zhenhua, Xia Changshui, Qiao Fangli. Numerical simulation of water exchange in the Qinzhou Bay of China[J]. Haiyang Xuebao, 2017, 39(3): 14-23.

Chen Zhenhua, Xia Changshui, Qiao Fangli. Numerical simulation of water exchange in the Qinzhou Bay of China[J]. Haiyang Xuebao, 2017, 39(3): 14-23.

Citation:

Chen Zhenhua, Xia Changshui, Qiao Fangli. Numerical simulation of water exchange in the Qinzhou Bay of China[J]. Haiyang Xuebao, 2017, 39(3): 14-23.

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Numerical simulation of water exchange in the Qinzhou Bay of China

1.
College of Oceanic and Atmospheric Science, Ocean University of China, Qingdao 266100, China;The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Key Laboratory of Marine Science and Numerical Modelling(MASNUM), State Oceanic Administration, Qingdao 266061, China;Laboratory for Regional Oceanography and Numerical Modeling, Qingdao 266071, China
2.
The First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Key Laboratory of Marine Science and Numerical Modelling(MASNUM), State Oceanic Administration, Qingdao 266061, China;Laboratory for Regional Oceanography and Numerical Modeling, Qingdao 266071, China

Received Date: 2016-11-04

Abstract

Abstract

A hydrodynamic model that contains six main tidal components (i.e. M₂, S₂, K₁, O₁,M₄, and MS₄) and wet/dry process is developed based on Princeton Ocean Model (POM), and applied for the Qinzhou Bay of China. The simulated water elevations and current agree well with field observations. And on this basis, a dispersion model for water quality is established to invest ability of water exchange in this bay. Our model gives a mean half-life time of 18 days and mean residence time of 45 days, suggesting a relatively strong ability of water exchange. The half-life time is shortest and less than one day in the south of Qinzhou Bonded Port, but prolongs from southwest to northeast, in range of 26-28 days in the central Maowei Sea, and exceeds 50 days in the east, west and north of the Maowei Sea. The numerical experiments suggest that simulation without wet-dry process may underestimate velocity of tidal current and ability of water exchange in the Qinzhou Bay.
- Qinzhou Bay,
- numerical simulation,
- dispersion model,
- water exchange,
- half-life time,
- mean residence time

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References(23)

References

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