库尔勒地震台四分量钻孔应变观测资料可靠性论证
|
摘要
对库尔勒地震台的巴伦台、库米什、小泉沟子台3套四分量钻孔应变仪观测数据进行多角度可靠性分析,除按常规由4个元件的读数计算2个面应变数值及相关系数值(数据自检)外,做以下补充:对潮汐因子内精度进行计算;通过相对标定元件格值,视矫正幅度大小及对数据自检效果进行改进;与同一时段相邻区域陆态网络形变观测资料进行对比,进一步论证观测资料的可靠性。结果表明,3个子台的应变观测数据可靠,能够真实反映所处区域的构造活动和应变,可以用于区域地震预测和地震科学研究。
The multi angle reliability analysis of observation data of three sub-stations of four component borehole strain gauges at Korla Seismic Station is carried out. In addition to the routine numerical calculation of 2 plane strain and the correlation coefficient(i.e. data, self-test) with the 4 component readings the internal precision of tidal factors is also calculated as supplementation. Through relative calibration of element lattice value, virtual amplitude correction and improvement on the effect of data self-check, the observation data are compared with deformation observation data of adjacent land state network in the same time segment and the reliability of observational data is further demonstrated. The results show that the strain observation data of the 3 sub-stations are reliable, which can truly reflect the tectonic activity and strain in the area, and can be applied to regional earthquake prediction and seismological research.
The multi angle reliability analysis of observation data of three sub-stations of four component borehole strain gauges at Korla Seismic Station is carried out. In addition to the routine numerical calculation of 2 plane strain and the correlation coefficient(i.e. data, self-test) with the 4 component readings the internal precision of tidal factors is also calculated as supplementation. Through relative calibration of element lattice value, virtual amplitude correction and improvement on the effect of data self-check, the observation data are compared with deformation observation data of adjacent land state network in the same time segment and the reliability of observational data is further demonstrated. The results show that the strain observation data of the 3 sub-stations are reliable, which can truly reflect the tectonic activity and strain in the area, and can be applied to regional earthquake prediction and seismological research.
引文
鲍子文,高原.天山构造带及邻区地壳各向异性[J].地球物理学报,2017,60(4):1 359-1 375.
董雪梅,伍永秀,徐建明,等.四川前兆钻孔应变观测数据质量影响因素分析[J].四川地震,2014,4:11-14.
国家地震局地震地质大队.与中国科学院兰州地球所的几位同志谈地震预报(1966年10月)[C]//李四光同志有关地震工作谈话选辑.1976:5-6.
高国英,聂晓红,龙海英.2003-2008年新疆区域构造应力场特征探讨[J].地震地质,2010,32(2):70-79.
蒋靖祥,尹光华,哈斯高娃.钻孔应变仪在地震前的记录及地震预测[J].地震研究,2000,23(4):410-417.
蒋靖祥,尹光华,许风柱.新疆和静5.7级地震前钻孔应变异常及预报[J].四川地震,2002,3:21-26.
蒋靖祥,王在华,李川,等.新疆钻孔应变异常与强震活动[J].内陆地震,2003,17(2):126-133.
蒋靖祥,王在华,唐小勇,等.新疆地区钻孔应变观测及地震前兆研究[C]//地壳构造与地壳应力文集.2004,(17):45-56.
李进武,邱泽华.钻孔应变仪观测的面应变潮汐因子初步分析[J].地球物理学进展,2014,29(5):2 013-2 018.
牛之俊,游新兆,杨少敏.利用GPS分析天山现今地壳形变特征[J].大地测量与地球动力学,2007,27(2):1-9.
邱泽华,石耀霖.国外钻孔应变观测的发展现状[J].地震学报,2004,26(2):162-168.
邱泽华,石耀霖,欧阳祖熙.四分量钻孔应变观测的实地相对标定[J].大地测量与地球动力学,2005,25(1):118-122.
邱泽华,石耀霖,欧阳祖熙.四分量钻孔观测的实地绝对标定[J].地震,2005,25(3):27-34.
邱泽华,阚宝祥,唐磊.四分量钻孔应变观测资料的换算和使用[J].地震,2009,29(4):410-417.
邱泽华.中国分量钻孔地应力-应变观测发展重要事件回顾[J].大地测量与地球动力学,2010,30(5):42-47.
苏恺之.地应力相对测量方法[M]//苏恺之主编.钻孔地应变观测新进展.北京:地震出版社,2003:252-260.
唐磊,邱泽华,宋茉.钻孔四分量应变观测自检内精度分析[J].大地测量与地球动力学,2010,30(2):36-39.
唐磊,吕品姬.钻孔四分量应变观测数据不同时间尺度的自检分析[J].大地测量与地球动力学,2015,35(3):525-528.
王晓强,李杰,Zubovich A,等.利用GPS形变资料研究天山及邻近地区地壳水平位移与应变特征[J].地震学报,2007,29(1):31-37.
吴云.地形变测量[M].北京:地震出版社,2008:312-313.
董雪梅,伍永秀,徐建明,等.四川前兆钻孔应变观测数据质量影响因素分析[J].四川地震,2014,4:11-14.
国家地震局地震地质大队.与中国科学院兰州地球所的几位同志谈地震预报(1966年10月)[C]//李四光同志有关地震工作谈话选辑.1976:5-6.
高国英,聂晓红,龙海英.2003-2008年新疆区域构造应力场特征探讨[J].地震地质,2010,32(2):70-79.
蒋靖祥,尹光华,哈斯高娃.钻孔应变仪在地震前的记录及地震预测[J].地震研究,2000,23(4):410-417.
蒋靖祥,尹光华,许风柱.新疆和静5.7级地震前钻孔应变异常及预报[J].四川地震,2002,3:21-26.
蒋靖祥,王在华,李川,等.新疆钻孔应变异常与强震活动[J].内陆地震,2003,17(2):126-133.
蒋靖祥,王在华,唐小勇,等.新疆地区钻孔应变观测及地震前兆研究[C]//地壳构造与地壳应力文集.2004,(17):45-56.
李进武,邱泽华.钻孔应变仪观测的面应变潮汐因子初步分析[J].地球物理学进展,2014,29(5):2 013-2 018.
牛之俊,游新兆,杨少敏.利用GPS分析天山现今地壳形变特征[J].大地测量与地球动力学,2007,27(2):1-9.
邱泽华,石耀霖.国外钻孔应变观测的发展现状[J].地震学报,2004,26(2):162-168.
邱泽华,石耀霖,欧阳祖熙.四分量钻孔应变观测的实地相对标定[J].大地测量与地球动力学,2005,25(1):118-122.
邱泽华,石耀霖,欧阳祖熙.四分量钻孔观测的实地绝对标定[J].地震,2005,25(3):27-34.
邱泽华,阚宝祥,唐磊.四分量钻孔应变观测资料的换算和使用[J].地震,2009,29(4):410-417.
邱泽华.中国分量钻孔地应力-应变观测发展重要事件回顾[J].大地测量与地球动力学,2010,30(5):42-47.
苏恺之.地应力相对测量方法[M]//苏恺之主编.钻孔地应变观测新进展.北京:地震出版社,2003:252-260.
唐磊,邱泽华,宋茉.钻孔四分量应变观测自检内精度分析[J].大地测量与地球动力学,2010,30(2):36-39.
唐磊,吕品姬.钻孔四分量应变观测数据不同时间尺度的自检分析[J].大地测量与地球动力学,2015,35(3):525-528.
王晓强,李杰,Zubovich A,等.利用GPS形变资料研究天山及邻近地区地壳水平位移与应变特征[J].地震学报,2007,29(1):31-37.
吴云.地形变测量[M].北京:地震出版社,2008:312-313.