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OALib Journal期刊
ISSN: 2333-9721
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wavewatchⅲ和swan模式在南海北部海域海浪模拟结果的对比分析
Keywords: 南海北部,wavewatchⅲ,swan,有效波高,平均波周期
Abstract:
？基于1987年9月到1988年8月期间南海北部的一个浮标资料,首先分析了美国环境预报中心(ncep)和国家大气研究中心(ncar)联合推出的再分析风场在南海北部海域的适用性,结果表明ncep/ncar再分析风场在一定程度上与浮标观测结果相一致。然后利用ncep/ncar再分析风场作为海浪模式输入场,评估了wavewatchⅲ(ww3)和simulatingwavesnearshore（swan）这2个海浪模式在南海北部海域模拟海浪的能力,结果表明在季风和季风转换期间,ww3模式和swan模式对有效波高的模拟能力几乎一致。在季风期间,ww3模式对平均波周期的模拟能力优于swan模式;而在季风转换时期,swan模式模拟平均波周期的能力较好。此外,还利用ww3模拟结果分析了南海北部海域海浪的空间分布特征,分析结果表明有效波高受季风影响呈显著的季节变化,平均波周期呈现相对显著的半年变化。
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