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基于第3代数值海浪模型SWAN,采用自嵌套的方法提供谱型边界,对渤海“98.04”寒潮大风引起的风浪过程进行了数值模拟研究。将数值模拟结果与T/P卫星高度计观测资料和近岸浮标实测资料(波高和波向)进行了较为详细的比较,并分析了风浪要素的时空分布。结果显示风浪要素的模拟值与实测值吻合良好,表明SWAN模型能较好地再现渤海寒潮期间风浪的时空分布。
Based on the 3rd generation numerical wave model SWAN, a self-nesting method was used to provide spectral boundary to simulate the wave process caused by the cold wind blowing in Bohai Sea. The numerical simulation results are compared with the observed data of T / P satellite altimeters and the measured data of the buoy near the coast (wave height and wave direction) in detail and the spatial and temporal distribution of wind and wave elements is analyzed. The results show that the simulated values of the wind wave elements are in good agreement with the measured values, indicating that the SWAN model can well reproduce the spatial and temporal distribution of the wind waves during the cold wave in the Bohai Sea.