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YW-SWP海浪数值预报模式及其应用
尹宝树, 王涛, 范顺庭
中国科学院海洋研究所 青岛 266071
摘要:
YW－SWP海浪数值预报模式考虑了地形引起的折射效应和波波间非线性能量转移，采用了新的风输入源函数和文氏理论风浪谱，使模式不仅适合深浅水，且有更适合我国海区的特色;另外，计算中对风场采取了一种加权平均的处理技术。应用于渤海个例检验及对温坨子站的后报结果表明，本模式有相当好的可靠和准确性。折射效应在20m以上水深影响不明显，但在大约10m水深的浅水区影响达30cm。
关键词:  海浪预报模式  个例检验和后报计算  折射影响
DOI：
分类号:
基金项目:国家“七五”攻关课题，D04860121号
YW-SWP SEA WAVE NUMERICAL PREDICTION MODEL AND ITS APPLICATION
Yin Baoshu, Wang Tao, Fan shunting
Institute of Oceanology, Acadcmia Sinica, Qingdao 266071
Abstract:
The refraction caused by topography and nonlinear energy transfers are taken into account the wind input function and S. C. Wen’s theoretical windsea spectrum in the YW-SWP sea wave numerical prediction model given by authors, so that the model is not only suitable for deep or shallow water but has a feature especially applicable to chinese sea areas as well. In addition, a weighted average method of treating the wind field has been adopted. The model results’ maximum (8.5) and minimum (2.5), in Bohai Sea, relative error for the hincast significant Wave height show that the modelis quite reliable and accurate. The influence of refraction is not obvious beyond 20 m depths, but at about 10 m it can reach 30 cm.
Key words:  Sea wave prediction model, Process examination and hindcast calculation, Refraction influence
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