Wave-current Numerical Model for Shanghai Nanhuizui Inning Project

Abstract

Abstract: Located in the Nanhui Beach, where the Yangtze River estuary joins up Hangzhou Bay, Shanghai Nanhuizui inning project is the key project for developing and utilizing Shanghai tideland resources. The interactions between currents, tides and waves in the sea area perform an important function to the success of this project. A twodimensional numerical model tidal current and the thirdgeneration nearshore wave model SWAN were applied to establish the twodimensional wavecurrent numerical model. The model was verified by the hydrology data measured in August 2006 and the wave survey conducted between 1979 and 1998 in Dajishan station and between August 1997 and July 2001 in Yangmeizui station. The results indicate that it has good agreement after comparing the modeled tidal levels, tidal current velocity, direction and significant wave heights with measurements. This study also emphasizes the effects and changes on the current and wave caused by the inning project around the south passage of the Yangtze River estuary, the north shore of Hangzhou Bay, the Donghai Bridge, the landing point closing to LNG pipeline, and the Yangshan deep water harbor.

Key words: tideland inning, Nanhuizui, tidal current, wave, mathematical model

CLC Number:

P731

ZHU Zhi-Xia-1, LI Bei-2. Wave-current Numerical Model for Shanghai Nanhuizui Inning Project[J]. Journal of Shanghai Jiaotong University, 2011, 45(04): 590-596.

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