汶川M_S8.0地震的地质科学考察数据库简介
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摘要
汶川MS8.0地震科学考察数据库存储了大量的野外调查数据,主要包括野外地质观测点、地表破裂带、震区第四纪断层的展布及其活动性地质观测点、古地震探槽、断错地貌测量等数据,以及搜集来的地层数据、汶川地震及其余震、重新定位余震、历史强震等数据。文中利用ArcGis将这些野外数据进行了录入、编辑、分析和制图输出,初步构建了一个包含基础地震地质信息的汶川地震科学考察数据库,实现了数据的空间位置和属性特征的综合管理,可根据需要对相关专题的数据进行查询、分析和处理,并绘制了汶川地震构造图及地表破裂分布图,为灾后重建避让带的确定提供了依据,为进一步构建汶川地震地理信息系统奠定了数据基础。
The geodatabase of scientific investigation of Wenchuan earthquake stores many field investigation data,such as the data of field geological survey sites,the surface rupture belts,the Quaternary faults in the earthquake region,paleoseismological trenches,folds,etc.Moreover,it includes some collection data,such as strata data,the catalog of the Wenchuan mainshock and aftershocks,the relocation catalog of aftershocks of the Wenchuan earthquake,the catalog of historical strong earthquake.The field data are recorded,edited,analysed,mapped and output with ArcGis,a powerful function in Gis software.The geodatabase of scientific investigation of MS8.0 Wenchuan earthquake was initially established,which includes the basic seismological information and realizes the integrated management of spatial location and attribute information.Data can be queried,analyzed and processed for the need of the correlation analysis of the data.Seismic tectonic map and surface rupture map can be drawn with the geodatabase,which can provide the basis for the determination of safety distance from the risky seismic rupture zones in post-disaster reconstruction and for the construction of the Wenchuan earthquake geographic information system.
The geodatabase of scientific investigation of Wenchuan earthquake stores many field investigation data,such as the data of field geological survey sites,the surface rupture belts,the Quaternary faults in the earthquake region,paleoseismological trenches,folds,etc.Moreover,it includes some collection data,such as strata data,the catalog of the Wenchuan mainshock and aftershocks,the relocation catalog of aftershocks of the Wenchuan earthquake,the catalog of historical strong earthquake.The field data are recorded,edited,analysed,mapped and output with ArcGis,a powerful function in Gis software.The geodatabase of scientific investigation of MS8.0 Wenchuan earthquake was initially established,which includes the basic seismological information and realizes the integrated management of spatial location and attribute information.Data can be queried,analyzed and processed for the need of the correlation analysis of the data.Seismic tectonic map and surface rupture map can be drawn with the geodatabase,which can provide the basis for the determination of safety distance from the risky seismic rupture zones in post-disaster reconstruction and for the construction of the Wenchuan earthquake geographic information system.
引文
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张兰凤,于贵华,李陈侠,等.2007.用ArcGIS实现利用1/20万地质图编绘1/25万区域地震构造图的方法[J].地震地质,29(2):412-417.ZHANG Lan-feng,YUGui-hua,LI Chen-xia,et al.2007.Compiling the1∶250,000regional seismotectonic map usingthe1∶200,000geologic maps with Arcgis method[J].Seismology and Geology,29(2):412-417(in Chinese).
张培震,徐锡伟,闻学泽,等.2008·2008年汶川8·0级地震发震断裂的滑动速率、复发周期和构造成因[J].地球物理学报,51(4):1066-1073.ZHANG Pei-zhen,XU Xi-wei,WEN Xue-ze,et al.2008.Slip rates and recurrence intervals of the Longmenshan activefault zone,and tectonic implications for the mechanism of the May12Wenchuan earthquake,2008,Sichuan,China[J].Chinese J Geophys,51(4):1066-1073(in Chinese).
赵小麟,邓起东,陈社发.1994.龙门山逆断裂带中段的构造地貌学研究[J].地震地质,16(4):422-428.ZHAO Xiao-lin,DENG Qi-dong,CHEN She-fa.1994.Tectonic geomorphology of the central segment of the Longmenshanthrust belt,western Sichuan,southwestern China[J].Seismology and Geology,16(4):422-428(in Chinese).
Densmore A L,Ellis MA,Li Y,et al.2007.Active tectonics of the Beichuan and Pengguan faults at the eastern marginof the Tibetan Plateau[J].Tectonics,26.TC4005,doi:10.1029/2006TC001987.
Burchfiel B C,Royden L H,Vander Hilst R D,et al.2008.A geological and geophysical context for the Wenchuanearthquake of12May2008,Sichuan,People s Republic of China[J].GSA TODAY,18(7):4-11.
葛伟鹏,袁道阳,郭华.2006.对城市活断层探测项目中地震地质数据建模的探讨[J].西北地震学报,28(2):134-139.GE Wei-peng,YUAN Dao-yang,GUO Hua.2006.Discussion on seismogeologic data modeling for urban active faultsurveying project[J].Northwestern Seismological Journal,28(2):134-139(in Chinese).
李勇,周荣军,Alexander L Densmore,等.2007.青藏高原东缘大陆动力学过程与地质响应[M].北京:地质出版社LI Yong,ZHOU Rong-jun,Densmore A L,et al.2007.Continental Dynamics and Geological Responses of the EasterMargin of Qinghai-Tibet Plateau[M].Geological Press,Beijing(in Chinese).
吴秀芹,张洪岩,李瑞改,等.2007.ArcGis9地理信息系统应用与实践(上册)[M].北京:清华大学出版社.WU Xiu-qin,ZHANG Hong-yan,LI Rui-gai,et al.2007.The Application and Practice of the Geographic InformationSystem of ArcGis9(First part)[M].Tsinghua Press,Beijing.
杨晓平,蒋溥,宋方敏.1999.龙门山断裂带南段错断晚更新世以来地层的证据[J].地震地质,21(4):341-345.YANG Xiao-ping,JIANG Pu,SONG Fang-min,et al.1999.The evidence of the South Longmenshan Fault zones cuttinglate Quaternary stratum[J].Seismology and Geology,21(4):341-345(in Chinese).
张兰凤,于贵华,李陈侠,等.2007.用ArcGIS实现利用1/20万地质图编绘1/25万区域地震构造图的方法[J].地震地质,29(2):412-417.ZHANG Lan-feng,YUGui-hua,LI Chen-xia,et al.2007.Compiling the1∶250,000regional seismotectonic map usingthe1∶200,000geologic maps with Arcgis method[J].Seismology and Geology,29(2):412-417(in Chinese).
张培震,徐锡伟,闻学泽,等.2008·2008年汶川8·0级地震发震断裂的滑动速率、复发周期和构造成因[J].地球物理学报,51(4):1066-1073.ZHANG Pei-zhen,XU Xi-wei,WEN Xue-ze,et al.2008.Slip rates and recurrence intervals of the Longmenshan activefault zone,and tectonic implications for the mechanism of the May12Wenchuan earthquake,2008,Sichuan,China[J].Chinese J Geophys,51(4):1066-1073(in Chinese).
赵小麟,邓起东,陈社发.1994.龙门山逆断裂带中段的构造地貌学研究[J].地震地质,16(4):422-428.ZHAO Xiao-lin,DENG Qi-dong,CHEN She-fa.1994.Tectonic geomorphology of the central segment of the Longmenshanthrust belt,western Sichuan,southwestern China[J].Seismology and Geology,16(4):422-428(in Chinese).
Densmore A L,Ellis MA,Li Y,et al.2007.Active tectonics of the Beichuan and Pengguan faults at the eastern marginof the Tibetan Plateau[J].Tectonics,26.TC4005,doi:10.1029/2006TC001987.
Burchfiel B C,Royden L H,Vander Hilst R D,et al.2008.A geological and geophysical context for the Wenchuanearthquake of12May2008,Sichuan,People s Republic of China[J].GSA TODAY,18(7):4-11.
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