| 沙埕港超强台风“桑美”灾害成因的数值模拟分析 |
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| 引用本文： | 栾曙光,李可,桑宝峰. 沙埕港超强台风“桑美”灾害成因的数值模拟分析[J]. 大连水产学院学报, 2012, 27(1): 69-72 |
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| 作者姓名： | 栾曙光 李可 桑宝峰 |
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| 作者单位： | 1. 大连海洋大学海洋与土木工程学院,辽宁大连,116023
2. 南宁港开发投资有限公司,广西南宁,530028 |
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| 基金项目： | 农业部渔港避风塘减灾对策研究项目 |
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| 摘 要： | 以超强台风＂桑美＂风场数据为依据,应用考虑波浪折射、底部损耗及波浪破碎等的波谱模型推算近岸海域台风浪场;再应用考虑波浪的浅水变形、绕射、折射、反射、海底摩擦以及波浪之间的非线性相互作用的Boussinesq方程推算港内波浪参数。在此基础上,分析了沙埕港在＂桑美＂台风正面登陆时港内波浪分布的特征及灾害成因。
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| 关 键 词： | 超强台风 回南风 有效波高 |
Numerical simulation analysis of Super Typhoon Saomai hazard to Shacheng port |
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| LUAN Shu-guang , LI Ke , SANG Bao-feng. Numerical simulation analysis of Super Typhoon Saomai hazard to Shacheng port[J]. Journal of Dalian Fisheries University, 2012, 27(1): 69-72 |
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| Authors: | LUAN Shu-guang LI Ke SANG Bao-feng |
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| Affiliation: | 1.College of Marine and Civil Engineering,Dalian Ocean University,Dalian 116023,China;2.Nanning Port Development ＆ Investment Co.,Ltd.,Nanning 530028,China) |
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| Abstract: | The paper applies the wind-field data on Super Typhoon Saomai and spectral model to simulate the wave field of typhoon in offshore water.The wave refraction,bottom loss and wave breaking are taken into account in the model.The parameters of waves inside the Shacheng harbour are computed by the use of Boussinesq equation,in which the shallow-water deformation,diffraction,refraction,reflection,seabed friction of waves and nonlinear interaction between waves are taken into account.The distribution characteristics of waves in the Shacheng harbour and the causes of disaster are analyzed,when the Super Typhoon Saomai makes landfall in the harbor directly. |
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| Keywords: | super typhoon turn-over south wind significant wave height |
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