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白银形变观测站DSQ型水管倾斜仪观测资料分析
Preliminary analysis of observational data on DSQ Type water tube tilted instrument in Baiyin Seismic Station
- DOI:
- 作者:
- 史小平 闫万生 龙艳
Shi Xiaoping, Yan Wansheng and Long Yan
- 作者单位:
- 中国甘肃 730046甘肃省地震局兰州观象台
Lanzhou Observatory，Earthquake Administration of Gansu Province，Lanzhou 730046，China
- 关键词:
- 水管倾斜；资料分析；变化趋势；调和分析
water tube tilt, data analysis, trend analysis, harmonic analysis
- 摘要:
- 对白银形变观测站2008年以来观测资料的运行、变化和精度做初步分析，结果表明： DSQ型水管倾斜仪观测资料连续、稳定、可靠； DSQ水管倾斜仪观测资料具有明确的正常背景----夏高冬低，为今后地震前兆异常的判断打下基础；水管倾斜仪EW分量在2013年7月22日MS6.6地震前出现破年变变化，说明白银台水管倾斜仪具有一定的地震前兆异常监测能力。
water tube tilted instrument in seismological observatory of Baiyin was installed in 2006, it started trial operation from October to December 2007。 It began to output formal observation data in 2008 January, we have produced observation data of continuous, reliable, complete for more than 5 years. we will make a preliminary analysis for the operation, changes and precision since the observation data of 2008。
