| 2009-07-22湖北地区日全食期间的重力观测 |
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| 引用本文： | 崔荣花,方剑,王新胜.2009-07-22湖北地区日全食期间的重力观测[J].武汉大学学报(信息科学版),2011,36(11):1332-1335. |
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| 作者姓名： | 崔荣花 方剑 王新胜 |
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| 作者单位： | 中国科学院测量与地球物理研究所动力大地测量学重点实验室,武汉市徐东大街340号,430077 |
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| 基金项目： | 国家自然科学基金资助项目(0811291029) |
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| 摘 要： | 利用武汉市九峰站CWR C032型超导重力仪和沙洋地区的Lacost G型、ET型弹簧重力仪,对2009-07-22发生在长江沿线的日全食进行了重力观测。首先,对超导重力仪在日全食期间的观测数据扣除重力固体潮汐及气压影响后,分析其幅度变化,没有发现日全食期间及前后出现幅度异常的＂重力谷＂。同时,对G型和ET型重力仪观测数据采用数字滤波器法及多项式拟合重力潮汐法扣除固体潮汐影响后,同样也没有发现日全食期间及前后出现幅度较大的异常。重力实测数据处理和分析表明,2009年日全食期间并未发现＂重力谷＂现象。
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| 关 键 词： | 日全食 重力观测 重力谷 多项式拟合法 |
Gravity Observations During 22 July 2009 Total Solar Eclipse in Hubei Province |
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| CUI Ronghua FANG Jian WANG Xinsheng.Gravity Observations During 22 July 2009 Total Solar Eclipse in Hubei Province[J].Geomatics and Information Science of Wuhan University,2011,36(11):1332-1335. |
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| Authors: | CUI Ronghua FANG Jian WANG Xinsheng |
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| Institution: | CUI Ronghua1 FANG Jian1 WANG Xinsheng1(1 Key Laboratory of Dynamical Geodesy,Institute of Geodesy and Geophysics,CAS,340 Xudong Street,Wuhan 430077,China) |
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| Abstract: | Gravity observations have been made using superconducting gravimeter of Jiufeng observation station and LCR-G and LCR-ET gravimeters of Shayang County,during total solar eclipse,which took place along Yangzi River on July 22,2009.We firstly analyzed the amplitude change of gravity residues,which deducted influences of solid Earth tide and pressure.No gravity anomaly valleys of abnormal amplitude were observed from the gravity residuals.The gravity residues of LCR-G same with that of LCR-ET gravimeters,whose... |
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| Keywords: | total solar eclipse gravimetric observation gravity anomaly valley polynomial fitting method |
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