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引用本文:孙凡,于非,司广成,王建丰,唐瑛.台风过境对黄海冷水团及其环流结构的影响.海洋与湖沼,2021,52(5):1125-1136.
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台风过境对黄海冷水团及其环流结构的影响
孙凡1,2,3, 于非1,2,3,4,5, 司广成1,2,3, 王建丰1,2,3, 唐瑛1,2,3
1.中国科学院海洋研究所 青岛 266071;2.中国科学院大学 北京 100049;3.中国科学院 海洋环流与波动重点实验室 青岛 266071;4.中国科学院大科学研究中心 青岛 266071;5.青岛海洋科学与技术试点国家实验室 海洋动力过程与气候功能实验室 青岛 266237
摘要:
台风能够对黄海的水文结构及人民群众的生产生活产生重要的影响,严重威胁了人们的生命财产安全。利用ROMS(regional ocean modeling system)模式,分析了台风"灿鸿"在过境黄海期间对黄海温度及环流结构的影响过程。结果表明,台风期间强烈的风致混合能够使温跃层的深度增大,强度减弱,同时,使得近岸的底层温度迅速升高,推动底层的温度锋面向黄海内区移动。台风过境也会对黄海冷水团环流产生重要的影响,台风过境前,混合层中的北向流会迅速加深增强,同时伴随着混合层及温跃层的下移,从而使得黄海冷水团环流的流核下移至跃层以下。当台风过境时,黄海上空的气旋式风场会加剧黄海上层的气旋式环流,导致黄海冷水团环流的流幅及流量迅速增加。当台风登陆后,黄海上层的温度及黄海冷水团环流的结构开始逐渐恢复。
关键词:  台风  黄海  温跃层  锋面  黄海冷水团环流
DOI:10.11693/hyhz20210200056
分类号:
基金项目:国家重点研发计划项目,2017YFC1403400号;国家重点研发计划项目,2016YFC1402501号;国家自然科学基金项目,41806164号;国家自然科学基金委员会-山东省人民政府联合资助海洋科学研究中心项目,U1406401号。
附件
INFLUENCE OF TYPHOON ON TEMPERATURE AND CURRENT STRUCTURE OF THE YELLOW SEA
SUN Fan1,2,3, YU Fei1,2,3,4,5, SI Guang-Cheng1,2,3, WANG Jian-Feng1,2,3, TANG Ying1,2,3
1.Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;2.University of Chinese Academy of Sciences, Beijing 100049, China;3.CAS Key Laboratory of Ocean Circulation and Waves, Chinese Academy of Sciences, Qingdao 266071, China;4.Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China;5.Laboratory for Ocean Dynamics and Climate, Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao 266237, China
Abstract:
Using the regional ocean modeling system (ROMS), the effect of typhoon Chan-hom on temperature and current structure of the Yellow Sea was analyzed. The result shows that, the typhoon induced strong wind-induced mixing, which significantly deepened and weakened the thermocline. Furthermore, bottom temperature in coastal regions was increased rapidly, which pushed the bottom temperature fronts towards the offshore region. Moreover, the typhoon affected remarkably the current structure of the Yellow Sea cold water mass circulation (YSCWMC). When the typhoon approaching, the northward velocity was strengthened and deepened, which deepened the velocity core and shrank the area of the YSCWMC. When Chan-hom passing the Yellow Sea, the cyclonic circulation in the upper layer of the Yellow Sea was enhanced, which intensified the YSCWMC and notably increased its transport. After Chan-hom landed on the Korean Peninsula, the influence of the typhoon gradually attenuated and disappeared.
Key words:  typhoon Chan-hom  Yellow Sea  thermocline  fronts  Yellow Sea cold water mass circulation
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