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基于第三代海浪数值模式WAVEWATCH-Ⅲ(v 3.14),在CCMP风场驱动下,对2009年平常月份与台风“茉莉”作用期间涌浪场及混合浪场进行了数值模拟,探讨了东海E3海域的涌浪在不同气象条件下的产生机理及其演变特性。结果表明:平常月份东海E3海域的涌浪主要来自东海海域及西北太平洋海域,当涌浪来自东海海域,涌浪波高较大,涌浪波高多在0.7~2m,谱峰周期约为8~10s,混合浪中涌浪成分较高;当涌浪来自西北太平洋海域,涌浪的有效波高多在0.2~0.7m,谱峰周期约为8~10s,混合浪中涌浪成分较小。台风期间,东海E3海域主要受西北太平洋海域传来的涌浪影响,涌浪的有效波高及谱峰周期都较平常月份为大,有效波高主要分布在0.5~1.8m,谱峰周期主要分布在10~18s。
Based on WAVEWATCH-Ⅲ (v 3.14) of the third generation ocean wave model, the wave field and mixed wave field during the normal months of 2009 and the typhoon Jasmine were simulated by the CCMP wind field. Formation Mechanism and Evolution Characteristics of Surge in E3 Area of the East China Sea under Different Meteorological Conditions. The results show that the surges in the E3 sea area of the East China Sea are mainly from the East China Sea and the Northwest Pacific during the normal months. When the surge comes from the East China Sea, the surge height is larger, the surge height is 0.7 ~ 2m, and the peak period is about 8 ~ 10s , The wave component of the mixed wave is higher; when the surge comes from the northwestern Pacific Ocean, the effective wave height of the surging wave is mostly 0.2-0.7 m, the peak period of the wave is about 8-10 s, and the wave component in the mixed wave is small. During the typhoon period, the E3 sea area in the East China Sea was mainly affected by the surging waves in the Northwest Pacific Ocean. The effective wave height and the peak period of the surge were larger than those in normal months. The effective wave heights were mainly distributed in the range of 0.5-1.8 m. The peak periods were mainly 10 ~ 18s.