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基于强震台网的我国沿海海啸走时预警

, PP. 20-24

Keywords: 海啸,海啸地震,走时,数值差分,防灾减灾

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Abstract:

经济快速发展的中国沿海地区,面临着潜在海啸袭击危险。海啸传播走时分析是海啸预警系统的重要组成部分。本文基于强震台网提供的地震要素,从理论上讨论海啸预警时间计算方法。在球坐标系下,建立了远洋海啸传播模型,采用差分技术,实现远洋海啸传播数值模拟,首次针对我国主要城市进行了海啸走时计算,分析了我国沿海走时特点,指出了未来发生在太平洋的远洋海啸对我国的长江三角洲会有较大影响。本文计算海啸走时方法可以为我国建设的新一代基于数值海啸预警系统提供技术支持。

References

[1]  Green R.The sweep of long water waves across the Pacific Ocean[J].Australia Journal of Physics,1961,14:120-128.
[2]  Zetler B D.Travelt mies of seismic sea waves to Honolulu[J].Pacific science,1947,203(1):185-188.
[3]  Shokin Y I,et al.Calculations of tsunami travelt imes charts in the Pacific Ocean(models,algorithms,techniques,results)[J].Science of Tsunami Hazards,1987,5(2):85-122.
[4]  Weissert T P.Tsunami travel time charts for the Caribbean[J].Science of Tsunami Hazards,1990,8(2):67-78.
[5]  Titov V V,Gonzalez FI.Implem entation and testing of them ethod of sp litting tsunami(MOST)model[R].NOAA Technical Memorandum ERLPMEL-112,1997.
[6]  Shi F Y,et al.Afully non linear Boussinesq model in generalized curvi linear coordinates[J].Coastal Engineering,2001,42:337-358.
[7]  Imamura F,Shuto N,Goto C.Numerical simulations of the transoceanic propagation of tsunamis.Proc.6th Congress Asian and Pacific Regional Division[C].IAHR,Japan,1988.265-272.
[8]  Lynett P,Liu P.Anumerical study of submarine landslide generated waves and runups.Proceedings of Royal Society of London[C].London,2002,2885-2910.
[9]  温瑞智,公茂盛,谢礼立.海啸预警系统及我国海啸减灾任务[J].自然灾害学报,2006,15(3)(待发表)
[10]  John D A.Computional fluid dynamics-the basics with application s[M].McGraw Hill1,1995.
[11]  Okada Y.Surface deformation to shear and tensile faults in a half-space[J].Bullet in of the Seismological Society of America,1985,75(4):11351154.
[12]  刘昌森.地震海啸及其对上海的影响[J].上海地质,1992,43(3):10-18.
[13]  Mansinha L,Smylie D E.The displacement fields of inclined faults[J].Bullet in of the Seismological Society of America,1971,61(2):1433-1440.
[14]  neic.usgs.gov/neis/travel_times/com.pute_tt.hmtl.

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