噪声互相关成像方法在浅层结构勘查研究现状及展望
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摘要
近年来随着背景噪声成像方法逐渐趋于成熟,随着研究理论的深入,被众多学者应用于地球深部速度结构研究中,且已取得较好的研究成果。在浅层结构研究中,获得更多的浅表物性信息将极大的提升对浅层结构的认识。噪声互相关成像方法所获得横波速度信息,对地下断层、空洞、溶洞等速度差异较大的地下结构有效识别,将有助于我们对地震等地质灾害做出合理的预防。本文意在通过噪声成像近年来的研究现状,尤其是浅层结构勘查应用(如城市地下结构、矿产、断层等),介绍噪声成像的发展背景,数据处理特点,综述其在浅层结构勘查方面的应用及可靠性,探讨其技术方法的完善,以获得浅层精细3D或4D结构图。
In recent years background noise imaging methods have gradually matured.With the deepening of research theories many scholars have applied them to study of the deep velocity structure of the Earth,and have achieved good results.More shallow physical information obtained in the study of shallow structures will greatly enhance the understanding of shallow structures.The shear wave velocity information obtained by the noise cross-correlation imaging method can effectively identify underground structures with large differences in velocity such as underground faults,voids and caves,which will help us to prevent the geological disasters such as earthquakes.This paper intends to introduce the research status of noise imaging in recent years,especially shallow structure exploration applications(such as urban underground structures,minerals,faults,etc.),introduce the development background of noise imaging,data processing characteristics,and summarize its exploration in shallow structure.Application and reliability,explore the perfection of the technical methods to obtain shallow fine 3 Dor 4 Dstructural drawings.
In recent years background noise imaging methods have gradually matured.With the deepening of research theories many scholars have applied them to study of the deep velocity structure of the Earth,and have achieved good results.More shallow physical information obtained in the study of shallow structures will greatly enhance the understanding of shallow structures.The shear wave velocity information obtained by the noise cross-correlation imaging method can effectively identify underground structures with large differences in velocity such as underground faults,voids and caves,which will help us to prevent the geological disasters such as earthquakes.This paper intends to introduce the research status of noise imaging in recent years,especially shallow structure exploration applications(such as urban underground structures,minerals,faults,etc.),introduce the development background of noise imaging,data processing characteristics,and summarize its exploration in shallow structure.Application and reliability,explore the perfection of the technical methods to obtain shallow fine 3 Dor 4 Dstructural drawings.
引文
[1]齐诚,陈棋福,陈颙.利用背景噪声进行地震成像的新方法[J].地球物理学进展,2007(3):771-777.
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[15]Gouedard P,Yao H J,Ernst F,et al.Surface wave eikonal tomography in heterogeneous media using exploration data[J].Geophysical Journal International,2012,191(2):781-788.
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[19]Pilz M,Parolai S,Picozzi M,et al.Three-dimensional shear wave velocity imaging by ambient seismic noise tomography[J].Geophysical Journal International,2012,189(1):501-512.
[20]Saygin E,Cummins P R,Cipta A,et al.Imaging architecture of the Jakarta Basin,Indonesia with transdimensional inversion of seismic noise[J].Geophysical Journal International,2016,204(2):918-931.
[21]Lin F C,Li D,Clayton R W,et al.High-resolution 3Dshallow crustal structure in Long Beach,California:Application of ambient noise tomography on a dense seismic array[J].Geophysics,2013,78(4):45-56.
[22]Koulakov I,Jaxybulatov K,Shapiro N M,et al.Asymmetric caldera-related structures in the area of the Avacha group of volcanoes in Kamchatka as revealed by ambient noise tomography and deep seismic sounding[J].Journal of Volcanology&Geothermal Research,2014,285:36-46.
[23]Huang Y C,Yao H,Huang B S,et al.Phase Velocity Variation at Periods of 0.5~3Seconds in the Taipei Basin of Taiwan from Correlation of Ambient Seismic Noise[J].Bulletin of the Seismological Society of America,2010,100(5A):2250-2263.
[24]Li C,Yao H,Fang H,et al.3D Near-Surface Shear-Wave Velocity Structure from Ambient-Noise Tomography and Borehole Data in the Hefei Urban Area,China[J].Seismological Research Letters,2016,87(4):882-892.
[25]王爽,孙新蕾,秦加岭,等.利用密集地震台网高频环境噪声研究广东新丰江库区浅层地下结构[J].地球物理学报,2018,61(2):593-603.
[26]冯梅,安美建,Suzan van der Lee.利用面波波形模拟探测中国大陆地壳和上地幔波速结构的分区特征[J].地震学报,2008,30(2):114-122.
[2]Aki K.Space and time spectra of stationary stochastic waves,with special reference to microtremors[J].Bull Earthq Res Inst,1957,35:415-456.
[3]Weaver R L,Lobkis O L.Ultrasonics without a source:thermal fluctuation correlations at M Hz frequencies[J].Physical Review Letters,2001,87(13):134301.
[4]Shapiro N M,Campillo M.Emergence of broadband Rayleigh waves from correlations of the ambient seismic noise[J].Geophys Res Lett,2004,31(L07614):1-7.
[5]Bensen G D,Ritzwoller M H,Barmin M P,et al.Processing seismic ambient noise data to obtain reliable broad-band surface wave dispersion measurements[J].Geophysical Journal International,2007,169(3):1239-1260.
[6]王伟君,陈棋福,陈凌.松散浅层结构的地震噪声探测综述[J].中国地震,2012,28(4):335-350.
[7]Campillo M,Paul A.Long-range correlations in the diffuse seismic coda[J].Science,2003,299(5606):547-549.
[8]Shapiro N M,Campillo M,Stehly L,et al.High-resolution surface-wave tomography from ambient seismic noise[J].Science,2005,307(5715):1615-1618.
[9]杨志高,张雪梅,史海霞.变换在地动噪声互相关叠加中的初步尝试[J].国际地震动态,2016(10):22-25.
[10]姚华建,徐果明,肖翔,等.基于图像分析的双台面波相速度频散曲线快速提取方法[J].地震地磁观测与研究,2004,25(1):1-8.
[11]肖翔,徐果明,朱良保.面波频散曲线快速追踪算法[J].地震地磁观测与研究,2004,25(3):1-7.
[12]朱良保,王清东.地震背景噪声互相关函数的面波理论表达形式[J].地球物理学报,2011,54(7):1835-1841.
[13]Lin F C,Ritzwoller M H,Snieder R.Eikonal tomography:surface wave tomography by phase front tracking across a regional broad-band seismic array[J].Geophysical Journal International,2009,177(3):1091-1110.
[14]Young M K,Rawlinson N,Arroucau P,et al.High-frequency ambient noise tomography of southeast Australia:New constraints on Tasmania's tectonic past[J].Geophysical Research Letters,2011,38(13):1-6.
[15]Gouedard P,Yao H J,Ernst F,et al.Surface wave eikonal tomography in heterogeneous media using exploration data[J].Geophysical Journal International,2012,191(2):781-788.
[16]FANG H J,YAO H J,ZHANG H J,et al.Direct inversion of surface wave dispersion for three-dimensional shallow crustal structure based on ray tracing:methodology and application[J].Geophysical Journal International,2015,201(3):1251-1263.
[17]Rawlinson N,Sambridge M.Wave front evolution in strongly heterogeneous layered media using the fast marching method[J].Geophysical Journal International,2004,156(3):631-647.
[18]Kang T S,Shin J S,Surface-wave tomography from ambient seismic noise of accelerograph networks in southern Korea[J].Geophys Res Lett,2006,33(L17303):1-5.
[19]Pilz M,Parolai S,Picozzi M,et al.Three-dimensional shear wave velocity imaging by ambient seismic noise tomography[J].Geophysical Journal International,2012,189(1):501-512.
[20]Saygin E,Cummins P R,Cipta A,et al.Imaging architecture of the Jakarta Basin,Indonesia with transdimensional inversion of seismic noise[J].Geophysical Journal International,2016,204(2):918-931.
[21]Lin F C,Li D,Clayton R W,et al.High-resolution 3Dshallow crustal structure in Long Beach,California:Application of ambient noise tomography on a dense seismic array[J].Geophysics,2013,78(4):45-56.
[22]Koulakov I,Jaxybulatov K,Shapiro N M,et al.Asymmetric caldera-related structures in the area of the Avacha group of volcanoes in Kamchatka as revealed by ambient noise tomography and deep seismic sounding[J].Journal of Volcanology&Geothermal Research,2014,285:36-46.
[23]Huang Y C,Yao H,Huang B S,et al.Phase Velocity Variation at Periods of 0.5~3Seconds in the Taipei Basin of Taiwan from Correlation of Ambient Seismic Noise[J].Bulletin of the Seismological Society of America,2010,100(5A):2250-2263.
[24]Li C,Yao H,Fang H,et al.3D Near-Surface Shear-Wave Velocity Structure from Ambient-Noise Tomography and Borehole Data in the Hefei Urban Area,China[J].Seismological Research Letters,2016,87(4):882-892.
[25]王爽,孙新蕾,秦加岭,等.利用密集地震台网高频环境噪声研究广东新丰江库区浅层地下结构[J].地球物理学报,2018,61(2):593-603.
[26]冯梅,安美建,Suzan van der Lee.利用面波波形模拟探测中国大陆地壳和上地幔波速结构的分区特征[J].地震学报,2008,30(2):114-122.