摘要
考虑地球曲率的影响,建立了基于球坐标下的渤海及黄海北部海域天文潮与风暴潮的耦合模型,通过对2003年10月8日到14日的天文潮及风暴潮的模拟验证,分析了温带气旋作用下的渤海沿岸各主要港口的增、减水及局部海域潮流的流速、流向变化。结果表明,温带气旋可引起渤海海域显著的增、减水现象,并明显改变局部海域潮流的流速、流向。
Bohai Sea and the north of Huanghai Sea is one of the serious affected areas by storm surges. With consideration of the influence of the earth＇s curvature, a numerical model based on spherical coordinates is constructed coupling astronomic tide and storm surge for Bohai Sea and the north of Huanghai Sea. The model is applied to simulate the astronomic tide and storm surge in Oct. 2003. The water level set-up/down and the changes on flow velocity and direction of the main ports along the Bohai Sea coast under extratropical cyclone are also analyzed. The results show that the extratropical cyclone induces distinct water level set-up/down and make remarkable changes on flow velocity and direction of local sea area.
出处
《水运工程》
北大核心
2009年第10期25-31,共7页
Port & Waterway Engineering
基金
交通部"十一五"专项(200632800003-03)
水利部公益行业科研专项经费项目(200801001)
水利部"948"项目(200705)
关键词
风暴潮
耦合模型
渤海
增
减水
数值模拟
storm surge
coupling models
Bohai Sea
set-up/down
numerical simulation
