Numerical analysis on water exchange and its response to the coastal engineering in the Yueqing Bay in China |
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| Authors: | LI Jia YAO Yanming LI Xiaoyan ZHANG Hongwei |
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| Institution: | Institute of Harbor, Coastal and Offshore Engineering, Zhejiang University, Hangzhou 310028, China Institute of Harbor, Coastal and Offshore Engineering, Zhejiang University, Hangzhou 310028, China Institute of Harbor, Coastal and Offshore Engineering, Zhejiang University, Hangzhou 310028, China Institute of Harbor, Coastal and Offshore Engineering, Zhejiang University, Hangzhou 310028, China |
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| Abstract: | On the basis of a numerical model of tidal current using Delft3D, the distribution of the semi - exchange time of water was simula- ted in the Yueqing Bay here. The result showed that the semi - exchange time was about more than 6 d in the bay end, and about 1～2 d in the bay mouth. Besides, based on the calculation of the semi - exchange time before and after the Xuanmen Dam pro- ject, a comparison between them was further carried out. And the same work was also done with the recent reclamation projects in the Yueqing Bay as well. The results showed that the change in semi - exchange time caused by the Xuanmen Dam project was a- bout 6 d increase near the dam and 4.5 d increase at the bay end. And it was about 5 d increase at the bay end and 1 d increase at the mouth of the bay caused by the recent reclamation projects. |
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| Keywords: | water exchange coastal engineering semi-exchange time Yueqing Bay in China |
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