利用合成孔径雷达差分干涉测量技术监测伊朗Bam地震同震形变场
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摘要
介绍了差分干涉测量的原理、差分干涉数据对的选取方法,以及三轨法差分干涉测量数据处理的流程。利用星载合成孔径雷达差分干涉(D-InSAR)测量技术和ENVISAT ASAR雷达数据对2003年12月26日伊朗Bam 6.5级地震引起的地表形变场进行了测量试验,成功地获取了Bam地震的蝴蝶状的同震形变场生成了地表形变的等值线图,并且根据相干图确定了地震造成破坏最严重的区域的位置、分布及面积。试验证明D-InSAR技术是地表形变测量和地震研究的一个强大和有效的工具。
The principle of differential interferometric(D-In) technique,the method for selecting proper D-In data pairs,and the flowchart of 3-pass D-In data processing are introduced firstly.Then using the differential interferometric on synthetic aperture radar(D-InSAR) technique and the ENVISAT ASAR data,the monitering to co-seismic deformation field in the Bam MW6.5 earthquake in Iran,on December 26,2003,is taken as application.As the result,the butterfly shap co-seismic deformation field of the Bam earthquake is gotten successfully,the isoline map of the defermation is generated,and the position,distribution and area of seriously destruction region are determined according to the coherence map.The test proves that D-InSAR technique is a powerful tool to measure surface deformation and to study earthquake.
The principle of differential interferometric(D-In) technique,the method for selecting proper D-In data pairs,and the flowchart of 3-pass D-In data processing are introduced firstly.Then using the differential interferometric on synthetic aperture radar(D-InSAR) technique and the ENVISAT ASAR data,the monitering to co-seismic deformation field in the Bam MW6.5 earthquake in Iran,on December 26,2003,is taken as application.As the result,the butterfly shap co-seismic deformation field of the Bam earthquake is gotten successfully,the isoline map of the defermation is generated,and the position,distribution and area of seriously destruction region are determined according to the coherence map.The test proves that D-InSAR technique is a powerful tool to measure surface deformation and to study earthquake.
引文
[1]王志勇,张继贤,张永红.从InSAR干涉测量提取DEM[J].测绘通报,2007,(7):27-29.
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[3]Paul A Rosen,Hensley S Joughin.Synthetic Aperture Radar In-terferometry[J].Proceedings of the IEEE,2000,88(3):333-382.
[4]A K Gabriel,R MGoldstein,HA Zerker.Mapping Small Eleva-tion Changes Over Large Areas:Differential Radar Interferometry[J].J.Geophys.Res.,1989,94(B7):9183-9191.
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[6]HA Zerker,P A Rosen,R MGoldstein,et al..On the derivationof coseismic displacement fields using Differential Radar Interfer-ometry,the Landers earthquake[J].J.Geophys.Res.,1994,99(B10):19617-19634.
[7]R F Hanssen.Radar Interferometry-Data Interpretation and ErrorAnalysis[M].London:Kluwer Academic Publisher,2001.
[8]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.
[9]单新建,马瑾,宋晓宇,等.利用星载D-InSAR技术获取的地表形变场研究张北—尚义地震震源破裂特征[J].中国地震,2002,18(2):119-126.
[10]张景发,刘钊.InSAR技术在西藏玛尼强震区的应用[J].清华大学学报(自然科学版),2002,42(6):847-850.
[11]WANG Zhi-yong,ZHANG Ji-xian,HUANG Guo-man,et al..TheHigh-precision Registration in the IFSAR Data Processing[R].DMAI'2005-Workshop.
[12]Goldstein Werner.Radar Interferogram filtering for GeophysicalApplications[J].Geophys.Res.Letter,1998,25(21):4035-4038.
[13]Michael Eineder.Unwrapping Large Interferograms Using theMinimum Cost Flow Algorithm[J].IEEE 1998:83-87.
[14]Morteza Talebian,E Fielding,G J Funning,et al..The 2003Bam(Iran)earthquake:Rupture of a blind strike-slip fault[J].Geophysical Research Letters,2004,31:L11611,doi:10.1029/2004GL020058,2004.
[15]罗小军,黄丁发,刘国祥.InSAR相位分解及其在生成DEM和研究地震形变场中的应用[J].西北地震学报,2006,28(3):204-209.
[16]郭华东.雷达对地观测理论与应用[M].北京:科学出版社,2000.
[17]LUZhong,ZHANG Ji-xian,ZHANG Yon-ghong.干涉合成孔径雷达及其在火山研究中的应用[J].测绘科学,2006,31(1):51-57.
[18]ZHONG Lu.InSAR Imaging of Volcanic Deformation over Cloud-prone Areas-Aleutian Islands[J].Photogrammetric Engi-neering&Remote Sensing,2007,l73(3):245-257.
[2]Richard Bamler,Philipp Hartl.Synthetic aperture radar interfer-ometry[J].Inverse Probles,1998,14:1-54.
[3]Paul A Rosen,Hensley S Joughin.Synthetic Aperture Radar In-terferometry[J].Proceedings of the IEEE,2000,88(3):333-382.
[4]A K Gabriel,R MGoldstein,HA Zerker.Mapping Small Eleva-tion Changes Over Large Areas:Differential Radar Interferometry[J].J.Geophys.Res.,1989,94(B7):9183-9191.
[5]D Massonnet,et al..The displacement field of the Landers earth-quake mapped by radar interferometry[J].Nature,1993,364:138-142.
[6]HA Zerker,P A Rosen,R MGoldstein,et al..On the derivationof coseismic displacement fields using Differential Radar Interfer-ometry,the Landers earthquake[J].J.Geophys.Res.,1994,99(B10):19617-19634.
[7]R F Hanssen.Radar Interferometry-Data Interpretation and ErrorAnalysis[M].London:Kluwer Academic Publisher,2001.
[8]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.
[9]单新建,马瑾,宋晓宇,等.利用星载D-InSAR技术获取的地表形变场研究张北—尚义地震震源破裂特征[J].中国地震,2002,18(2):119-126.
[10]张景发,刘钊.InSAR技术在西藏玛尼强震区的应用[J].清华大学学报(自然科学版),2002,42(6):847-850.
[11]WANG Zhi-yong,ZHANG Ji-xian,HUANG Guo-man,et al..TheHigh-precision Registration in the IFSAR Data Processing[R].DMAI'2005-Workshop.
[12]Goldstein Werner.Radar Interferogram filtering for GeophysicalApplications[J].Geophys.Res.Letter,1998,25(21):4035-4038.
[13]Michael Eineder.Unwrapping Large Interferograms Using theMinimum Cost Flow Algorithm[J].IEEE 1998:83-87.
[14]Morteza Talebian,E Fielding,G J Funning,et al..The 2003Bam(Iran)earthquake:Rupture of a blind strike-slip fault[J].Geophysical Research Letters,2004,31:L11611,doi:10.1029/2004GL020058,2004.
[15]罗小军,黄丁发,刘国祥.InSAR相位分解及其在生成DEM和研究地震形变场中的应用[J].西北地震学报,2006,28(3):204-209.
[16]郭华东.雷达对地观测理论与应用[M].北京:科学出版社,2000.
[17]LUZhong,ZHANG Ji-xian,ZHANG Yon-ghong.干涉合成孔径雷达及其在火山研究中的应用[J].测绘科学,2006,31(1):51-57.
[18]ZHONG Lu.InSAR Imaging of Volcanic Deformation over Cloud-prone Areas-Aleutian Islands[J].Photogrammetric Engi-neering&Remote Sensing,2007,l73(3):245-257.
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