| 舟山凉潭岛填海工程对水动力及海床演变影响的模拟预测分析 |
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| 引用本文： | 吴仁豪,童元正,张旭锋,赵晟,孙健,娄建富,王海平.舟山凉潭岛填海工程对水动力及海床演变影响的模拟预测分析[J].热带海洋学报,2011(4). |
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| 作者姓名： | 吴仁豪 童元正 张旭锋 赵晟 孙健 娄建富 王海平 |
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| 作者单位： | 浙江海洋学院海洋科学学院;舟山市海洋勘察设计院; |
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| 基金项目： | 浙江省科技厅面上项目(2009C33083) |
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| 摘 要： | 用一个三维(ECOMSED)模式对舟山凉潭岛填海工程前后的潮流场变化进行模拟,做出预测。潮流场模拟结果与实测基本吻合。经分析可知,工程对潮流的影响主要在围堤的东南角小范围内:工程后流速明显减小,造成淤积现象,但淤积程度不大,1年后的淤积为13cm左右,5年后的淤积为0.8—1.2m左右。工程对较深水层的潮流运动影响很小。通过对施工期间产生的悬浮物在涨落潮时的分布模拟可知,涨潮时,悬浮物从工程区域的一个悬浮物源不断排出,主要对工程附近及其上游地区造成一定的影响;落潮时,悬浮物主要影响工程外围及其下游地区,整个落潮期间悬浮物能影响的范围比涨潮期间要大。总体上工程对该附近海域的潮流场及冲淤影响很小。
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| 关 键 词： | 数值模拟 潮流 悬浮泥沙 冲淤 |
Prediction of the effect of reclamation near Liangtan Island in Zhoushan water area |
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| WU Ren-hao,TONG Yuan-zheng,ZHANG Xu-feng,ZHAO Sheng,SUN Jian,LOU Jian-fu,WANG Hai-ping .Marine Science College of Zhejiang Ocean University,Zhoushan ,China,.Zhoushan Survey Designing Institute.Prediction of the effect of reclamation near Liangtan Island in Zhoushan water area[J].Journal of Tropical Oceanography,2011(4). |
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| Authors: | WU Ren-hao TONG Yuan-zheng ZHANG Xu-feng ZHAO Sheng SUN Jian LOU Jian-fu WANG Hai-ping Marine Science College of Zhejiang Ocean University Zhoushan China Zhoushan Survey Designing Institute |
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| Affiliation: | WU Ren-hao1,TONG Yuan-zheng1,ZHANG Xu-feng1,ZHAO Sheng1,SUN Jian1,LOU Jian-fu1,WANG Hai-ping2 1.Marine Science College of Zhejiang Ocean University,Zhoushan 316004,China,2.Zhoushan Survey Designing Institute |
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| Abstract: | A three-dimensional ocean model(ECOMSED) is used to simulate and predict the effect of reclamation activity on the local tidal current near Liangtan Island in Zhoushan.The computed results of tidal current basically agree with the obser-vations.It is shown that the local tidal current is affected by the reclamation mainly in a small area located at the southeast corner of the reclaimed area where a pronounced reduction appears in tidal current velocity and causes a slight sedimentation.The extent of the sed... |
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| Keywords: | numerical simulation tidal current sediment erosion and siltation |
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