摘要
基于FVCOM三维有限体积海洋模型,结合Jelesnianski经验风场模型与ECWMF背景风场叠加形成的合成风场,研究了台风“温比亚”过境期间的北黄海辽宁沿岸的水动力特征,并分析了不同台风路径、移动速度、最大风速半径、中心气压和最大风速的台风参数对黄海北部海域风暴潮增水的影响。结果显示:在研究海域,风暴潮增水极值随着台风路径向西平移减小;台风移速增大,风暴潮增水极值减小,高水位时长大幅减小;风暴潮增水极值和高水位时长随最大风速半径的增大而增大;增水极值与最大风速呈正相关,最大风速的变动对风暴潮增水维持高位时间无明显影响;风暴潮增水随着中心气压的降低而增加。研究结果可为北黄海辽宁沿岸的风暴潮灾害防护提供一定的参考。
Based on the FVCOM three-dimensional finite volume ocean model,combined with the Jelesnianski empirical wind field model and ECWMF background wind field superimposition to form a synthetic wind field,the hydrodynamic characteristics of the Liaoning coast of the North Yellow Sea during the transit of Typhoon"Rumbiya"were studied,and the influence of different typhoon parameters such as typhoon track,moving speed,maximum wind radius,central pressure,and maximum wind speed on storm surge in the Northern Yellow Sea was analyzed.The results show that,the extreme storm surges decreases with the westward shift of typhoon track in the study area.With the increase of typhoon moving speed,the extreme storm surges reduces,and the duration of high water level decreases significantly.The extreme storm surges and the duration of high water level increases with the increase of the radius of maximum wind speed.The extreme value of storm surge is positively correlated with the maximum wind speed,and the change of the maximum wind speed has no obvious effect on the duration of high water.The storm surge increases as the central pressure decreases.The study results can provide some reference for storm surge disaster protection along the Liaoning coast of the North Yellow Sea.
作者
郭凯元
王煜嘉
秦梦恩
张明亮
GUO Kai-yuan;WANG Yu-jia;QIN Meng-en;ZHANG Ming-iang(College of Marine Science and Technology and Environment,Dalian Ocean University,Dalian,Liaoning 116023,China;Liaoning Offshore Ecological Environment and Disaster Protection Engineering Technology Innovation Center,Dalian,Liaoning 116023,China)
出处
《中国港湾建设》
2024年第12期28-35,共8页
China Harbour Engineering
基金
国家自然科学基金(U21A20155,51879028)
辽宁省应用基础研究计划项目(2023030048-JH2/1013)。
关键词
风暴潮
FVCOM模型
风暴潮增水
台风参数变化
高水位时长
storm surge
FVCOM model
storm surge elevation
typhoon parameter variation
duration of high water level
