舟山海域台风浪数值模拟  

Numerical simulation of typhoon wave in Zhoushan

作　　者：梁连松 李瑞杰[1,2] 丰青[1] 孔从颖 宋晓波[1] 

机构地区：[1]河海大学海岸灾害及防护教育部重点实验室,南京210098 [2]河海大学环境海洋实验室,南京210098 [3]中交天津港湾工程研究院有限公司,天津300000

出　　处：《水道港口》2014年第6期582-588,共7页Journal of Waterway and Harbor

基　　金：国家自然科学基金项目(41276017);国家海洋局海洋公益性行业科研专项项目(201205005)

摘　　要：为提高台风浪模拟的精度,将Holland台风风场模型与CCMP背景风场相叠加,构造合成风场来驱动SWAN模型。运用Jason-2卫星数据进行验证,比较了不同的最大风速半径计算公式和Holland B参数组合构造出的合成风场对模拟结果影响。选取最优组合,运用自嵌套,模拟了台风"米雷"通过舟山海域的波浪场。结果表明舟山群岛对台风浪的阻挡效果明显,台风期间舟山东部海域波高大、周期长且涌浪影响明显,西部海域波高较小且以风浪影响为主。To improve the accuracy of near-shore typhoon wave simulation, numerical simulations were made for typhoon during the period of typhoon Meari, based on SWAN, with combination of the Holland model wind field and CCMP wind field. The Jason-2 satellite data were used to verify the simulation results. The merged wind fields constructed by different maximum wind speed radius formula and parameter B were compared. Then, the typhoon Meari was simulated by adopted nested grid in SWAN. The results demonstrate that the retarding effect of Zhoushan Archipelago for typhoon wave is significant. During typhoon period, the significant wave height in the offshore areas of eastern Zhoushan Archipelago is higher than the one of the west. The offshore areas of eastern Zhoushan Archipel-ago are greatly affected by surge while the western Zhoushan Archipelago areas are dominated by wind wave.

关 键 词：台风浪 SWAN HOLLAND Jason-2 舟山 

分 类 号：TV143[水利工程—水力学及河流动力学] O242.1[理学—计算数学]