2010年2月27日智利8.8级地震海啸对我国影响分析
摘要
北京时间2010年2月27日14时34分智利中部近岸发生里氏8.8级强烈地震,随后环太平洋的数十个国家和地区陆续监测到了强震引发的越洋海啸.28日16时20分起,海啸波在穿越整个太平洋后进入我国东南沿海,中国海洋监测网实时记录了此次越洋海啸大范围影响我国的全过程,这也是我国首次仪器记录的越洋海啸.在详细分析受海啸影响岸段潮位站资料的基础上,划分了越洋海啸对我国东南沿海不同岸段的潜在威胁等级,指出台湾省东部、浙江省及福建省北部沿岸最易受越洋海啸影响.此外,采用波谱分析和小波分析方法对潮位资料分析发现在特殊岸形下,海啸初波极易激发局地"假潮"振荡,两者叠加往往使得海啸波高进一步增大.
引文
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8Rabinovich A B.Spectral analysis of tsunami waves:Separation of source and topography effects.J Geophys Res,1997,102:12663-12676
9Welch,P D.The use of fast Fourier transform for the estimation of power spectra:A method based on time averaging over short,modified periodograms.IEEE Trans Audio Electroacoust,1967AU-15:70-73
10Yuan Y,Wei H,Zhao L,et al.Implications of intermittent turbulent bursts for sediment resuspension in a coastal boundary layer:A field study in western Yellow Sea,China.Mar Geol,2009,263:87-96
11Liu P L-F,Wang X M,Salisbury A J.Tsunami hazard and early warning system in South China Sea.J Asian Earth Sci,2009,36:2-12
12Dao M H,Tkalich P,Soon C E,et al.Tsunami propagation scenarios in the South China Sea.J Asian Earth Sci,2009,36:67-73
13杨华庭.海啸及太平洋海啸预报系统.海洋预报,1987,4(增刊):68-76
14Gao Y,Wang P D,Zheng S H,et al.Temporal changes in shear-wave splitting at an isolated swarm of small earthquakes in1992near Dongfang,Hainan Island,southern China.Geophys J Int,1998,135:102-110
2叶琳,于福江,吴玮.我国海啸灾害及预警现状与建议.海洋预报,2005,22(增刊):147-157
3Intergovernmental Oceanographic Commission(IOC).Tsunami Glossary.IOC Technical Series(85).Paris,UNESCO,2008
4于福江,吴玮.印度洋大海啸及其全球海啸预警系统展望.中国科技奖励,2005,2:90-91
5Merrifield M A,Firing Y L,Aarup T,et al.Tidal gauge observations of the Indian Ocean tsunami,December26,2004.Geophys Res Lett,2005,32:L09603,doi:10.1029/2005GL022610
6Nagarajan B,Suresh I,Sundar D,et al.The Great Tsunami of26December2004:A description based on tide-gauge data from the Indian subcontinent and surrounding areas.Earth Planet Space,2006,58:211-215
7Ichinose G A,Anderson J G.The potential hazard from tsunami and Seiche waves generated by large earthquakes within Lake Tahoe,California-Nevada.Geophys Res Lett,2000,27:1203-1206
8Rabinovich A B.Spectral analysis of tsunami waves:Separation of source and topography effects.J Geophys Res,1997,102:12663-12676
9Welch,P D.The use of fast Fourier transform for the estimation of power spectra:A method based on time averaging over short,modified periodograms.IEEE Trans Audio Electroacoust,1967AU-15:70-73
10Yuan Y,Wei H,Zhao L,et al.Implications of intermittent turbulent bursts for sediment resuspension in a coastal boundary layer:A field study in western Yellow Sea,China.Mar Geol,2009,263:87-96
11Liu P L-F,Wang X M,Salisbury A J.Tsunami hazard and early warning system in South China Sea.J Asian Earth Sci,2009,36:2-12
12Dao M H,Tkalich P,Soon C E,et al.Tsunami propagation scenarios in the South China Sea.J Asian Earth Sci,2009,36:67-73
13杨华庭.海啸及太平洋海啸预报系统.海洋预报,1987,4(增刊):68-76
14Gao Y,Wang P D,Zheng S H,et al.Temporal changes in shear-wave splitting at an isolated swarm of small earthquakes in1992near Dongfang,Hainan Island,southern China.Geophys J Int,1998,135:102-110
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