Advances in Earth Science ›› 2021, Vol. 36 ›› Issue (5): 536-542. doi: 10.11867/j.issn.1001-8166.2021.051

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Preliminary Research in the Establishment of National Gravimetric Reference Network

Duowu SU( ), Shuqing WU( ), Chunjian LI, Wangxi JI, Jinyi XU, Qiyu WANG, Jinyang FENG, Ruo HU, Lishuang MOU   

  1. Institute of Time Frequency Metrology,National Institute of Metrology,Beijing 100029,China
  • Received:2021-01-04 Revised:2021-04-07 Online:2021-06-18 Published:2021-07-02
  • Contact: Shuqing WU E-mail:sudw@nim.ac.cn;wushq@nim.ac.cn
  • About author:SU Duowu (1981-), male, Huitong County, Hunan Province, Associate professor. Research areas include gravity measurement and gravity precision measuring instruments. E-mail: sudw@nim.ac.cn
  • Supported by:
    the Ministry of Science and Technology National Metrology Standard Resource Sharing Platform Project "Special service of gravity measurement"(22-APT1901-8);The National Metrology Science Data Center Project, Ministry of Science and Technology "Special service of gravity measurement"(29-APT2001-3)

Duowu SU, Shuqing WU, Chunjian LI, Wangxi JI, Jinyi XU, Qiyu WANG, Jinyang FENG, Ruo HU, Lishuang MOU. Preliminary Research in the Establishment of National Gravimetric Reference Network[J]. Advances in Earth Science, 2021, 36(5): 536-542.

The measurement of gravitational acceleration plays a very important role, which is not only reflected in the basic research fields of metrology science, earthquake prevention and mitigation, but also in the practical application fields of pressure, force measurement, weighing instrument, geodesy and other professional fields. From 2016 to 2020, China National Institute of Metrology undertook and implemented the project of "Gravity Metrology Special Service". The project team went to Tibet, Xinjiang, Hong Kong and other regions, successfully completed the transmission of gravity acceleration in more than 50 stations, and initially established the National Gravity Metrology Reference Network. In the future, the team plans to further improve the National Gravimetric Reference Network.

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