Application of ECOMSED model to the simulation of Hangzhou Bay tide current

DU Pan-jun; HU Ke-lin; KONG Ya-zhen; DING Ping-xing

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DU Pan-jun, HU Ke-lin, KONG Ya-zhen, DING Ping-xing. Application of ECOMSED model to the simulation of Hangzhou Bay tide current[J]. Haiyang Xuebao, 2007, 29(1): 7-16.

Citation:

DU Pan-jun, HU Ke-lin, KONG Ya-zhen, DING Ping-xing. Application of ECOMSED model to the simulation of Hangzhou Bay tide current[J]. Haiyang Xuebao, 2007, 29(1): 7-16.

DU Pan-jun, HU Ke-lin, KONG Ya-zhen, DING Ping-xing. Application of ECOMSED model to the simulation of Hangzhou Bay tide current[J]. Haiyang Xuebao, 2007, 29(1): 7-16.

Citation:

DU Pan-jun, HU Ke-lin, KONG Ya-zhen, DING Ping-xing. Application of ECOMSED model to the simulation of Hangzhou Bay tide current[J]. Haiyang Xuebao, 2007, 29(1): 7-16.

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Application of ECOMSED model to the simulation of Hangzhou Bay tide current

State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China

Received Date: 2005-12-25
Rev Recd Date: 2006-10-22

Abstract

Abstract

A 3-Dvariable boundary numerical tidal model for the Hangzhou Bay is established.The model is based on ECOMSED model (Blumberg et al., 2002), and is modified by introducing Drying and Wetting scheme technology.AR-coordinate transformation in vertical and a curvilinear coordinate in horizontal are used.The level 2.5 turbulence closure model is also used to give more reasonable verticaleddy viscosity coefficient.A Grant and Madsen model is used to calculate the shear stress of wave and current.Adrying and wetting scheme technology is used to treat the tidal floodebb in tidal flatareas.An application of the model to the Hangzhou Bay grasps the tidal charact erstics well.the computed result in the Hangzhou Bay agrees with the observation well.In order to improve the accuracy of the baroclinic pressure gradient, the impacts of river flow, wind, baroclinic pressure induced by salinity and tide (including M₂, S₂, K₁, O₁, M₄, Ms₄ and S₄) are taken into account.The simulated results are fairly consistent with obser vations.
- Hangzhou Bay,
- shallow water tide,
- variable border,
- three-dimensional tidal current,
- Grant-Madsen model

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References(30)

References

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