摘要
为研究江苏沿海海域受双台风布拉万和天秤的影响情况,应用Holland模型与ERA背景风场数据构建双台风布拉万和天秤的模拟风场,结合MIKE SW模块进行台风浪的数值模拟试验,通过与卫星轨道数据、实测站点数据对比对模拟的有效波高进行了验证,研究了东中国海范围和江苏沿海海域的波浪场(混合浪、风浪和涌浪)特征。其中,在模拟风场的构建中,比例系数e至为关键,通过进行参数试验确定较优系数值。研究结果表明台风布拉万主要以风浪形式影响江苏沿海海域,出现的风浪最大值为10.4 m,台风天秤是以涌浪形式影响,涌浪最大值为2.4 m,且台风布拉万的影响强度明显大于台风天秤。
In order to study the Jiangsu coastal area influenced by the binary typhoon Tembin and Bolaven, the driven wind under the binary typhoon was built by mixing the Holland typhoon model with the blended wind field from ERA, and nested wave model off Jiangsu coast was constructed by the MIKE 21 SW model. The comparison between simulation results and satellite data, situ measurements about the significant wave height was done. And the wave field （including mixed wave, wind wave and swell） was analyzed. Among them, the scale factor e is the key to the construction of the simulated wind field, and the optimal value of e is determined by the parameter tests. The results show that the wind wave is the main form of sea wave in Jiangsu coastal waters in the course of typhoon Bolaven and the maximum value is 10.4 m, but the swell is generated during typhoon Tembin and the maximum value is 2.4 m. The influence strength of typhoon Bolaven is significantly greater than typhoon Tembin.
作者
聂永强
陈鹏超
NIE Yong-qiang CHEN Peng-chao(College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China Key Laboratory of Coastal Disaster and Defense, Ministry of Education, Hohai University, Nanjing 210098, China)
出处
《水道港口》
2017年第2期143-149,共7页
Journal of Waterway and Harbor
