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| 引用本文： | 肖凡,张为民,张松堂,张宏伟. ���ػ�վ�����������ڱ仯����[J]. 大地测量与地球动力学, 2013, 33(4): 44-47 |
| 作者姓名： | 肖凡 张为民 张松堂 张宏伟 |
| 作者单位： | 1. 161365部队,天津300140 ;信息工程大学测绘学院,郑州450052 2. 中国科学院测量与地球物理研究所,武汉,430077 3. 161365部队,天津,300140 |
| 摘 要： | ???ü???GNSS????10??????????????????GPS????????????????????????仯???μ????????仯???????????????????????????仯????????????????????????????????С?????????м?????????п??????Ч????????????????????????????????????????????? |
| 关 键 词： | GNSS???? ???????? ?????仯 ???????? ????? |
ANALYSIS OF LONG-TERM ABSOLUTE GRAVITY CHANGE AT JIXIAN DATUM |
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| Xiao Fan;Zhang Weimin;Zhang Songtang;Zhang Hongwei. ANALYSIS OF LONG-TERM ABSOLUTE GRAVITY CHANGE AT JIXIAN DATUM[J]. Journal of Geodesy and Geodynamics, 2013, 33(4): 44-47 | |
| Authors: | Xiao Fan Zhang Weimin Zhang Songtang Zhang Hongwei |
| Affiliation: | Xiao Fan;Zhang Weimin;Zhang Songtang;Zhang Hongwei;61365 Troops of PLA;Institute of Surveying and Mapping,Information Engineering University;Institute of Geodesy and Geophysics,CAS; |
| 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 high??precision absolute gravimeter is rapid, efficient and no error accumulation. In addition, the loss of underground water of Jixian is serious in recent years. |
| Keywords: | GNSS datum absolute gravity gravity change vertical crust movement underground water |
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