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学科主题: Engineering, Geological
题名: Comparison of linear and nonlinear shallow wave water equations applied to tsunami waves over the China Sea
作者: Liu, YC ; Shi, YL ; Yuen, DA ; Sevre, EOD ; Yuan, XR ; Xing, HL
通讯作者: spring.yingch@gmail.com ; shiyl@gucas.ac.cn
关键词: China Sea ; Nonlinear shallow-water equations ; Numerical computation ; Tsunami waves
刊名: ACTA GEOTECHNICA
发表日期: 2009
卷: 4, 期:2, 页:129-137
收录类别: sci
部门归属: [Liu, Yingchun; Yuen, David A.; Sevre, Erik O. D.] Univ Minnesota, Minnesota Supercomp Inst, Minneapolis, MN 55455 USA; [Liu, Yingchun] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China; [Shi, Yaolin] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China; [Yuen, David A.] Univ Minnesota, Dept Geol & Geophys, Minneapolis, MN USA; [Xing, Hui Lin] Univ Queensland, ESSCC, Brisbane, Qld, Australia; [Yuan, Xiaoru] Peking Univ, Key Lab Machine Percept, Beijing 100871, Peoples R China; [Yuan, Xiaoru] Peking Univ, Sch EECS, Beijing 100871, Peoples R China
项目归属: 海洋地质
摘要: This paper discusses the applications of linear and nonlinear shallow water wave equations in practical tsunami simulations. We verify which hydrodynamic theory would be most appropriate for different ocean depths. The linear and nonlinear shallow water wave equations in describing tsunami wave propagation are compared for the China Sea. There is a critical zone between 400 and 500 m depth for employing linear and nonlinear models. Furthermore, the bottom frictional term exerts a noticeable influence on the propagation of the nonlinear waves in shallow water. We also apply different models based on these characteristics for forecasting potential seismogenic tsunamis along the Chinese coast. Our results indicate that tsunami waves can be modeled with linear theory with enough accuracy in South China Sea, but the nonlinear terms should not be neglected in the eastern China Sea region.
原文出处: 查看原文
WOS记录号: WOS:000283049900005
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4584
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Liu, YC; Shi, YL; Yuen, DA; Sevre, EOD; Yuan, XR; Xing, HL.Comparison of linear and nonlinear shallow wave water equations applied to tsunami waves over the China Sea,ACTA GEOTECHNICA,2009,4(2):129-137
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