ANALYSIS OF LONG-TERM ABSOLUTE GRAVITY CHANGE
AT JIXIAN DATUM
1）61365 Troops of PLA, Tianjin 300140
Abstract The yearly rate of gravity change owing to elevation changes and underground material transfer were calculated using 10 years measurement results of absolute gravity and GPS at Jixian datum. The results show that the technology of monitoring tiny vertical crust movement using highprecision absolute gravimeter is rapid, efficient and no error accumulation. In addition, the loss of underground water of Jixian is serious in recent years.
Key words ：
GNSS datum
absolute gravity
gravity change
vertical crust movement
underground water
Received: 09 January 2013
Published: 16 August 2013
Cite this article:
Xiao Fan,Zhang Weimin,Zhang Songtang et al. ANALYSIS OF LONG-TERM ABSOLUTE GRAVITY CHANGE
AT JIXIAN DATUM[J]. jgg, 2013, 33(4): 44-47.
Xiao Fan,Zhang Weimin,Zhang Songtang et al. ANALYSIS OF LONG-TERM ABSOLUTE GRAVITY CHANGE
AT JIXIAN DATUM[J]. jgg, 2013, 33(4): 44-47.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2013/V33/I4/44
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