D-InSAR技术用于震后地表形变监测
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摘要
简要介绍了干涉合成孔径雷达测量原理以及二轨差分处理流程,利用D-InSAR技术和ENVISAT ASAR雷达影像数据,获取了巴姆地区震后一个月期间的形变场,得到了形变等值线图和最大形变处剖面图,通过对震后形变场深入分析与解译,分析研究了地震造成的地壳运动。这些结果有利于分析地震后地壳运动趋势、幅度以及进行震后灾害估计。
This paper introduced the principle of Interferometry SAR technique and data processing flow of Two-pass Differential Interferogram.Then we used ENVISAT ASAR data to get the surface deformation during 35 days after the Bam earthquake,in order to carry out detailed interpretation and analysis we generated the profiles and the isoline map for the maximal deformation areas according to the deformation map.Finally,we analyzed the crustal movement due to the Bam earthquake,and the result is useful to explain the direction and extent of crustal movement following the earthquake,as useful for the disaster estimation in post-earthquake well.
This paper introduced the principle of Interferometry SAR technique and data processing flow of Two-pass Differential Interferogram.Then we used ENVISAT ASAR data to get the surface deformation during 35 days after the Bam earthquake,in order to carry out detailed interpretation and analysis we generated the profiles and the isoline map for the maximal deformation areas according to the deformation map.Finally,we analyzed the crustal movement due to the Bam earthquake,and the result is useful to explain the direction and extent of crustal movement following the earthquake,as useful for the disaster estimation in post-earthquake well.
引文
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[15]李毅,柳林涛,薛怀平,等.用D-InSAR研究巴姆地震形变场[J].大地测量与地球动力学,2008,28(1):32~35.
[16]舒宁.雷达遥感原理[M].北京:测绘出版社,1996.
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[19]夏耶.巴姆地震地表形变的差分雷达干涉测量[J].地震学报,2005,27(4):424~431.
[20]云日升.干涉合成孔径雷达复图像配准精度分析和方法[J].测试技术学报,2003,17(1):10~14.
[21]张磊.利用Doris计算台湾集集地震位移场及断层滑移量反演[D].上海:同济大学,2006.
[2]Briole P,Massonnet D,delacourt C.Posteruptivedeformation associated with the1986-87and1989lavaflows of Etna detected by Radar Interferometry[J].Geophysical Research Letters,1997,(24):37~40.
[3]Curland J C.Location of spacebone SAR imagery[J].IEEE Trans Geosci and Remote Sensing,1982,20(3):359~364.
[4]Ding Xiaoli,et al.Introduction of earth deformations bysynthesize aperture radar interferometry[J].Publicationsof Purple Mountain Observatory,2000,19(2):158~166.
[5]Goldstein R M.Radar Interferogram filtering forGeophysical Application[J].Geophys.Res.Letter,1998,25(21):4035~4038.
[6]Grabriel A K,et al.Mapping small elevation changes overlarge areas:Differential radar interferometry[J].Journalof Geophysical Research,1989,94(B7):9183~9191.
[7]Hiroshi Ohkura,Masanobu Shimada.InSAR analysis ofthe volcanic crustal deformation of Miyake Island withRADARSAT images[C].orals.doc.Abstract Number:CEOS-SAR01-081,2001.http://www.eorc.nasda.go.jp/JERS-1/conference/ceos_11.
[8]Massonnet D,et al.The displacement field of theLanders earthquake mapped by radar interferometry[J].Nature,1993,334:138~142.
[9]Rosen PA,Hensley S,Jough in.Synthetic ApertureRadar Interferometry[J].Proceedings of the IEEE,2000,88(3):333~382.
[10]Wadge G,Scheuchl B,Cabey L,et al.Operationaluse of InSAR for volcano observatories:experiencefrom Montserrat[EB/OL].http://www.nerc-essc.ac.uk/~gw/www.MONSAR/FRINGE99.pdf,1999.
[11]Wang R,Xia Y,Grosser H,et al.The2003Bam(SEIran)earthquake:precise source parameters fromsatellite radar interferometry[J].Geophys J Int,2004,(159):917~922.
[12]成英燕,贾有良,党亚民,等.用InSAR技术进行形变监测的研究[J].测绘科学,2006,31(3):56~58.
[13]丁晓利,陈永奇,李志林,等.合成孔径雷达干涉技术及其在地表形变监测中的应用[J].紫金山天文台台刊,2000,19(2):158~166.
[14]黄其欢,何秀凤.D-InSAR技术及其在监测地表形变中的应用[J].全球定位系统,2005,30(3):19~23.
[15]李毅,柳林涛,薛怀平,等.用D-InSAR研究巴姆地震形变场[J].大地测量与地球动力学,2008,28(1):32~35.
[16]舒宁.雷达遥感原理[M].北京:测绘出版社,1996.
[17]唐智.InSAR数据处理中基于相关系数的配准方法[J],雷达科学与技术,2004,2(2):108~114.
[18]王超,张红,刘智.星载合成孔径雷达干涉测量[M].北京:科学出版社,2002.
[19]夏耶.巴姆地震地表形变的差分雷达干涉测量[J].地震学报,2005,27(4):424~431.
[20]云日升.干涉合成孔径雷达复图像配准精度分析和方法[J].测试技术学报,2003,17(1):10~14.
[21]张磊.利用Doris计算台湾集集地震位移场及断层滑移量反演[D].上海:同济大学,2006.
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