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Simulation of the extreme waves generated by typhoon Bolaven (1215) in the East China Sea and Yellow Sea 被引量:5
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作者 JUN Ki Cheon JEONG Weon Mu +5 位作者 CHOI Jin Yong PARK Kwang Soon JUNG Kyung Tae KIM Mee Kyung CHAE Jang Won QIAO Fangli 《Acta Oceanologica Sinica》 SCIE CAS CSCD 2015年第12期19-28,共10页
Record-breaking high waves occurred during the passage of the typhoon Bolaven(1215)(TYB) in the East China Sea(ECS) and Yellow Sea(YS) although its intensity did not reach the level of a super typhoon.Winds an... Record-breaking high waves occurred during the passage of the typhoon Bolaven(1215)(TYB) in the East China Sea(ECS) and Yellow Sea(YS) although its intensity did not reach the level of a super typhoon.Winds and directional wave measurements were made using a range of in-situ instruments mounted on an ocean tower and buoys.In order to understand how such high waves with long duration occurred,analyses have been made through measurement and numerical simulations.TYB winds were generated using the TC96 typhoon wind model with the best track data calibrated with the measurements.And then the wind fields were blended with the reanalyzed synoptic-scale wind fields for a wave model.Wave fields were simulated using WAM4.5 with adjustment of C_d for gust of winds and bottom friction for the study area.Thus the accuracy of simulations is considerably enhanced,and the computed results are also in better agreement with measured data than before.It is found that the extremely high waves evolved as a result of the superposition of distant large swells and high wind seas generated by strong winds from the front/right quadrant of the typhoon track.As the typhoon moved at a speed a little slower than the dominant wave group velocity in a consistent direction for two days,the wave growth was significantly enhanced by strong wind input in an extended fetch and non-linear interaction. 展开更多
关键词 extreme waves typhoon measurements numerical simulation East China sea
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