“韦帕”台风过程中南黄海海域流场研究  

Study on flow fields around South Yellow Sea area during the Typhoon WIPHA

作　　者：杨静思[1] 张庆河[1] 张金凤[1] 赵洪波[2] 张娜[2] 严冰[2] 杨华[2] 

机构地区：[1]天津大学水利工程仿真与安全国家重点实验室,天津300072 [2]交通运输部天津水运工程科学研究所工程泥沙交通行业重点实验室,天津300456

出　　处：《水道港口》2013年第3期225-231,共7页Journal of Waterway and Harbor

基　　金：国家高科技研究发展计划(863)资助项目(2012AA112509);中央级公益性科研院所基本科研业务费专项资金资助项目(TKS100206)资助

摘　　要：台风经过海域时,会造成海面强风以及特殊分布的波浪场,可能引起潮流场的强烈变化。为深入探讨台风过程中流场的变化,研究风应力与辐射应力对潮流场的作用,选用WRF模型、第三代海浪模式SWAN、三维水动力模型FVCOM,针对"0713"号"韦帕"台风期间的台风风场、潮流场、波浪场进行数值模拟。结果表明WRF-SWAN-FVCOM模式能够较好地模拟"韦帕"台风期间南黄海海域流场。波浪和流场受旋转台风影响均出现旋转特性,但与台风旋转风场有一定延迟。与纯潮流场相比,风应力和波浪辐射应力对表层流场产生明显影响,风场影响最为显著,波浪辐射应力使南黄海海域沿岸流发生一定增大。Strong sea winds and special distribution of wave fields with the typhoon passage may lead to the change of tidal current field. In order to have a further research on the change of current fields as typhoons move, the effects of wind stress and wave radiation stress on current fields were studied. The typhoon wind field, wave field and current field with the passage of ＂0713＂ Typhoon WIPHA were simulated based on the WRF model, the third generation wave model SWAN and the three-dimensional hydrodynamic model FVCOM. The simulated results show that the WRF-SWAN-FVCOM model can reveal the characteristics of the current field when the Typhoon WIPHA passed through the South Yellow Sea area. Both wave field and current field appear the rotary characteristics due to the rotating typhoon, but they occur with a delay of the typhoon center. Compared with the pure current filed, wind stress and wave radiation stress have significant influence on the surface layer of current field, and the effect of wind stress is the most significant. Wave radiation stress also makes longshore current increase in the coastal area of the South Yellow Sea.

关 键 词：WRF SWAN FVCOM “韦帕”台风 流场 波浪辐射应力 

分 类 号：TV135.2[水利工程—水力学及河流动力学] O242.1[理学—计算数学]