地球科学进展 ›› 2021, Vol. 36 ›› Issue (5): 536 -542. doi: 10.11867/j.issn.1001-8166.2021.051

研究简报 上一篇    下一篇

国家重力计量参考网的初步建立研究
粟多武( ), 吴书清( ), 李春剑, 吉望西, 徐进义, 王启宇, 冯金扬, 胡若, 牟丽爽   
  1. 中国计量科学研究院时间频率计量科学研究所,北京 100029
  • 收稿日期:2021-01-04 修回日期:2021-04-07 出版日期:2021-06-18
  • 通讯作者: 吴书清 E-mail:sudw@nim.ac.cn;wushq@nim.ac.cn
  • 基金资助:
    科技部国家计量基标准资源共享平台项目“重力计量专题服务”(22-APT1901-8);科技部国家计量科学数据中心项目“重力计量专题服务”(29-APT2001-3)

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)

重力加速度的计量有着非常重要的作用,不仅体现在计量科学和防震减灾等基础研究领域,还体现在压力、测力、衡器和大地测量等专业的实际应用领域。2016—2020年,中国计量科学研究院承担并实施了“重力计量专题服务”项目,项目组远赴西藏、新疆和香港等地区,顺利完成了50余个站点重力加速度的量值传递,初步建立了国家重力计量参考网。以后将进一步完善国家重力计量参考网。

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.

中图分类号: 

图1 重力加速度量值溯源与传递框图
Fig.1 Block diagram of gravity acceleration value traceability and transfer
图1 重力加速度量值溯源与传递框图
Fig.1 Block diagram of gravity acceleration value traceability and transfer
图2 香港开展绝对重力测量校准现场
Fig.2 Absolute gravimetric calibration sites in Hong Kong
图2 香港开展绝对重力测量校准现场
Fig.2 Absolute gravimetric calibration sites in Hong Kong
表1 代表性区域绝对重力测量点位基本情况
Table 1 The basic circumstances of absolute gravity measurement points in representative regions
表1 代表性区域绝对重力测量点位基本情况
Table 1 The basic circumstances of absolute gravity measurement points in representative regions
表2 全国代表性区域绝对重力测量校准结果
Table 2 Calibration results of absolute gravimetric measurements in representative regions of China
表2 全国代表性区域绝对重力测量校准结果
Table 2 Calibration results of absolute gravimetric measurements in representative regions of China
图3 开展重力垂直梯度测量
Fig.3 Conducting gravity vertical gradient measurements
图3 开展重力垂直梯度测量
Fig.3 Conducting gravity vertical gradient measurements
表3 全国代表性区域重力垂直梯度测量结果
Table 3 Measurements of gravity vertical gradients in representative regions of China
表3 全国代表性区域重力垂直梯度测量结果
Table 3 Measurements of gravity vertical gradients in representative regions of China
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