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Gong Lizhuo, Chen Shi, Xu Weimin. 2019: An evaluation approach for the terrestrial gravity measurement based on the seismic noise magnitude. Acta Seismologica Sinica, 41(1): 57-68. DOI: 10.11939/jass.20180068
Citation: Gong Lizhuo, Chen Shi, Xu Weimin. 2019: An evaluation approach for the terrestrial gravity measurement based on the seismic noise magnitude. Acta Seismologica Sinica, 41(1): 57-68. DOI: 10.11939/jass.20180068
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An evaluation approach for the terrestrial gravity measurement based on the seismic noise magnitude

  • Institute of Geophysics，China Earthquake Administration，Beijing 100081，China

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  • Received Date: May 27, 2018
  • Revised Date: June 28, 2018
  • Available Online: January 16, 2019
  • Published Date: December 31, 2018
    Graphical Abstract
    • Abstract
  • In this paper, we calculated the seismic noise magnitude （SNM） of four types of relative gravimeters （GS-15, gPhone, PET and CG-5） commonly used in terrestrial gravity measurement in different environments and time intervals, and compared the corresponding results. The results show that there is quite different in sensitivity to ambient noise for the metallic spring gravimeter （GS-15, gPhone, PET） and quartz spring gravimeter （CG-5）. The SNM results are similar using the data of the quietest five-day or quietest one-day to evaluate. Therefore, it is feasible to use the quietest one-day recording to evaluate SNM value and observation precision. This result could provide a method for evaluating the conditions of the campaigned gravity survey station.
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    • References (15)
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