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Numerical simulation of March 11, 2011 Honshu, Japan tsunami

ISSN号：1005-9865
期刊名称：《海洋工程》
时间：0
分类：P731.36[天文地球—海洋科学] TE155[石油与天然气工程—油气勘探]
作者机构：[1]College of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, China, [2]Key Laboratory of Computational Geodynamics Chinese Academy of Sciences, Beijing 315211, China, [3]Institute of Geophysics, China Earthquake Administration, Beijing 100081, China,, [4]Department of Geology and Geophysics, University of Minnesota, Twin Cities, MN 55455-0219, USA,, [5]Minnesota Supercomputing Institute, University of Minnesota, Minneapolis, MN 55455, USA
相关基金：This work was supported by the Industry Fund Crustal Deep Exploration Project of the Ministry of Land and Resources （SinoProbe-07）, the Nation- al Basic Research Program of China （2008CB425701）, the National High- tech R＆D Program of China, High Performance Computing Software System .for Earth System Model （2010AA012402）, the National Natural Science Foundation of China （10872098） and K. C. Wong Magna Fund in Ningbo University.

作者： JING HuiMin[1,2], ZHANG Huai[2], WU ZhongLiang[2,3], YUEN David A[2,4,5], SHI YaoLin[2]

关键词：海啸灾害, 数值模拟, 日本, 美国地质调查局, 数值模型, 二维浅水方程, 仿真结果, 沿岸地区, tsunami, numerical simulation, tsunami warning

中文摘要：

为了预言海啸，通过数字模拟冒险，由使用焦点的机制以及 2011 Tohoku 地震由国家地质的调查提供了的日本的差错参数(叫作 USGS ) ，我们建议了一个数字模型模仿 Honshu，日本海啸。数字计算被进行沿着海岸调查安全。我们也分析了模拟结果和海啸灾难的分发，试着完成一个更合理的海啸警告节目。我们的数字模型在地震和基于二个维的浅水方程的海啸繁殖过程以后由表面变丑的模拟组成。模拟结果在录音机点上显示出海啸繁殖，和到达时间的特征与海啸观察一致。这个模型能被使用评估沿海的区域的安全并且获得更多的精确海啸警告。

英文摘要：

In order to predict tsunami hazards through numerical simulation, by using the focal mechanisms as well as fault parameters of Japan＇s 2011 Tohoku Earthquake provided by National Geological Survey （referred to as USGS）, we proposed a numerical model to simulate the Honshu, Japan tsunami. Numerical computing is conducted to investigate the security along the coast. We also analyzed the simulation results and distribution of tsunami disaster, trying to achieve a more reasonable tsunami warning program. Our numerical model is composed of simulation of surface deformation after the earthquake and the tsunami propagation process which is based on two dimensional shallow water equations. The simulation results show the characteristics of the tsunami prop- agation, and arrival times on recorder points are consistent with tsunami observation. This model can be applied to evaluate the security of the coastal area and obtain more accurate tsunami warning.

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