Numerical simulation of trans-oceanic tsunami and its impact analysis on Chinese coasts

WANG Peitao; YU Fujiang; ZHAO Lianda; LIU Qiuxing

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WANG Peitao, YU Fujiang, ZHAO Lianda, LIU Qiuxing. Numerical simulation of trans-oceanic tsunami and its impact analysis on Chinese coasts[J]. Haiyang Xuebao, 2012, 34(2): 39-47.

Citation:

WANG Peitao, YU Fujiang, ZHAO Lianda, LIU Qiuxing. Numerical simulation of trans-oceanic tsunami and its impact analysis on Chinese coasts[J]. Haiyang Xuebao, 2012, 34(2): 39-47.

WANG Peitao, YU Fujiang, ZHAO Lianda, LIU Qiuxing. Numerical simulation of trans-oceanic tsunami and its impact analysis on Chinese coasts[J]. Haiyang Xuebao, 2012, 34(2): 39-47.

Citation:

WANG Peitao, YU Fujiang, ZHAO Lianda, LIU Qiuxing. Numerical simulation of trans-oceanic tsunami and its impact analysis on Chinese coasts[J]. Haiyang Xuebao, 2012, 34(2): 39-47.

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Numerical simulation of trans-oceanic tsunami and its impact analysis on Chinese coasts

National Marine Environment Forecasting Center, Beijing 100081, China

Received Date: 2010-11-05
Rev Recd Date: 2011-09-20

Abstract

Abstract

In this paper, the physical mechanism how tsunami was trigered by submarine earthquake, the characteristic of tsunamis wave propagated in ocean and potential disaster caused by the super-destructive power of tsunamis were presented simply. The frequency of global tsunamis occurred and the temporal and spatial distribution of historical tsunamis in Pacific region were outlined. The frequency and spatial distribution of the tsunamis which occurred in China coasts were also systemized. According to trans-oceanic tsunami propagation mechanism, selecting a tsunami numerical model which was developed at the University of Washington. It is based on wave tracking theory and adaptive mesh refinement technology. Focus on simulating tsunami wave propagation characteristics around China’s coastal areas, the simulation results fit well with the observational data. Based on the simulation results,the impact of Chile tsunami on China coasts was discussed quantitatively. The evaluation of potential risk along the China coasts was given.
- trans-oceanic tsunami,
- numerical simulation,
- impact,
- adaptive mesh refinement technology

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