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泉州地震台g-Phone重力仪观测资料干扰因素分析

陈珊桦 蔡佩蕊 陈新兴 谢文杰 王建新

陈珊桦, 蔡佩蕊, 陈新兴, 谢文杰, 王建新. 泉州地震台g-Phone重力仪观测资料干扰因素分析[J]. 地震科学进展, 2023, (4): 159-164. doi: 10.19987/j.dzkxjz.2022-122
引用本文: 陈珊桦, 蔡佩蕊, 陈新兴, 谢文杰, 王建新. 泉州地震台g-Phone重力仪观测资料干扰因素分析[J]. 地震科学进展, 2023, (4): 159-164. doi: 10.19987/j.dzkxjz.2022-122
Chen Shanhua, Cai Peirui, Chen Xinxing, Xie Wenjie, Wang Jianxin. Analysis of interference factors of g-Phone gravimeter observation data at Quanzhou seismic station[J]. Progress in Earthquake Sciences, 2023, (4): 159-164. doi: 10.19987/j.dzkxjz.2022-122
Citation: Chen Shanhua, Cai Peirui, Chen Xinxing, Xie Wenjie, Wang Jianxin. Analysis of interference factors of g-Phone gravimeter observation data at Quanzhou seismic station[J]. Progress in Earthquake Sciences, 2023, (4): 159-164. doi: 10.19987/j.dzkxjz.2022-122

泉州地震台g-Phone重力仪观测资料干扰因素分析

doi: 10.19987/j.dzkxjz.2022-122
详细信息
    通讯作者:

    陈珊桦(1989-),女,工程师,主要从事地震监测与预报工作。E-mail:susanna_csh@163.com

  • 中图分类号: P315.63

Analysis of interference factors of g-Phone gravimeter observation data at Quanzhou seismic station

  • 摘要: 通过对泉州地震台g-Phone重力仪自正式运行以来观测资料的干扰因素进行总结,发现数采死机对数据影响较小,但断电造成的仪器内部温度的改变会导致原始数据漂移,从而降低数据的内在质量,建议应尽量避免人为操作如断电等造成的内部温度变化;台风影响使得数据噪声变大,表现为观测曲线变粗,呈纺锤状。希望研究结果可以为进一步利用重力资料提取地震前兆信息提供一定的参考。

     

  • 图  1  泉州台周边地质构造图

    Figure  1.  Geological structure map around Quanzhou seismic station

    图  2  泉州台g-Phone重力仪日常观测曲线图

    Figure  2.  Daily observation curve of g-Phone gravimeter at Quanzhou station

    图  3  泉州台g-Phone重力仪数采死机示意图

    Figure  3.  Schematic diagram of g-Phone gravimeter breakdown at Quanzhou station

    图  4  重力仪器内部温度变化

    Figure  4.  Temperature changes inside the gravity instrument

    图  5  重力仪器相关测项曲线图

    Figure  5.  Curves of related measurement items of the gravity instrument

    图  6  停电对数据造成的影响

    Figure  6.  The impact of power outages on data

    图  7  台风对重力观测的影响

    Figure  7.  Influence of typhoon on gravity observation

    表  1  仪器断电后恢复稳定状态所需时间表

    Table  1.   Timetable required to restore the stable state of the instrument after power failure

    断电时间恢复时间
    1分钟或更短>10 分钟
    30分钟或更短12 小时
    2小时或更长48 小时
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-07-27
  • 录用日期:  2022-10-20
  • 网络出版日期:  2022-11-01

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