台风Winnie(1997)影响下海浪的数值模拟研究
NUMERICAL SIMULATION OF TYPHOON WAVE UNDER THE INFLUENCE OF WINNIE(1997)
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摘要: 采用多重嵌套中尺度大气数值模式提供的风场,在考虑了波-流相互作用等主要物理过程的基础上,应用最新版本的第三代海浪模式SWAN对Winnie(1997)引起的台风浪进行了模拟,将模拟的有效波高与TOPEX/POSEIDON和ERS-2卫星高度计资料作了详细的对比分析,并分析了台风浪要素的分布特征。结果表明,SWAN在模拟较大尺度的海区时也能得到较好的模拟效果,能较好地再现海浪的发展过程和合理地反映台风浪的分布。
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关键词:
- 台风浪 /
- 第三代海浪模式SWAN /
- 台风Winnie /
- 中尺度数值模式
Abstract: In this paper,the wind field provided by a meso-scale tropical cyclone numerical model is employed.When main physical processes,including wave-current interactions,are considered,the latest version of the third generation wave model SWAN is applied to simulate the typhoon wave generated by Typhoon Winnie(1997).The model results are compared with the TOPEX/POSEIDON and ERS-2 satellite altimeter data and analyzed in details.Then the distribution of wave fields are analyzed,with the results showing that applying SWAN to simulate large-scale domain can also fairly reproduce the observed features of waves and preferably reflect the distribution of typhoon waves.-
Key words:
- typhoon waves /
- SWAN /
- Winnie /
- meso-scale numerical model
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