两种海面风场的对比及对海浪模拟的影响-海洋预报

两种海面风场的对比及对海浪模拟的影响

单位：1. 解放军理工大学气象学院, 江苏南京 211101;
2. 北海舰队水文气象中心, 山东青岛 266000;
3. 解放军91528部队, 上海 200436

关键词：QuickSCAT/NCEP混合风场 ERA风场 WAVEWATCH-Ⅲ

分类号：P732

出版年·卷·期（页码）：2012·29·第三期（9-14）

摘要：

海面风场在海浪模拟研究和预报中起着关键性的作用,再分析风场数据可为海浪模式提供长时间的大范围、高时空分辨率海面风场.利用日本浮标站资料和卫星高度计资料对再分析风场QuickSCAT/NCEP(Q/N)混合风场和ERA风场进行验证分析,并利用WAVEWATCH-Ⅲ模式进行连续12个月的数值模拟试验.对比风场和计算得到的海浪场得出结论:在风速较小的时候,ERA和Q/N风场较实测风场大,在风速较大的时候,ERA和Q/N风场较实测风场小;ERA风场模拟浪高较浮标观测波高偏小;Q/N混合风场模拟的浪高更接近实测浪高.

Reanalysis wind data can provide a large scale and high spatial-temporal resolution sea surface wind field, and plays a pivotal role in the wave simulation and forecast. Based on the wind field data from QuickSCAT/NCEP(Q/N) and ERA validated by the data from Japanese buoy station and and satellites altimeter data, the waves are simulated for 12 months by the WAVEWATCH-Ⅲ model. The results show as follows:wind data from ERA and Q/N are stronger than the actual wind when wind speed is low, but weaker when wind speed is high;the wave height simulated by ERA wind is smaller than that from buoy data;the wave height simulated by Q/N wind is more close to the actual wind.

参考文献：

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