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| 引用本文： | 郑伟,许厚泽,钟敏,员美娟,彭碧波,周旭华.??????????????о?????????[J].大地测量与地球动力学,2010,30(4):83-91. |
| 作者姓名： | 郑伟 许厚泽 钟敏 员美娟 彭碧波 周旭华 |
| 作者单位： | 1. 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,430077;日本京都大学防灾研究所,京都,611-0011,日本 2. 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,430077 3. 武汉科技大学应用物理系,武汉,430081 4. 中国科学院上海天文台,上海,200030 |
| 基金项目： | 中国科学院知识创新工程重要方向项目，国家863计划项目，国家自然科学基金，中国科学院动力大地测量学重点实验室开放基金，湖北省自然科学基金，日本JSPS基盘研究项目 |
| 摘 要： | ????????1966??????????????????????????????????????????????????Σ???????????CHAMP?????????????????????????????????????????? EIGEN-CHAMP03S??EIGEN-3P????????????г????????EIGEN-1S??EIGEN-2??EIGEN-3P??EIGEN-CHAMP03S????????????????????????????????????GRACE????????????????GGM02S??WHIGG-GEGM01S????????????????????????????????????????????????CHAMP??GRACE?????????????????????????????EIGEN-CG01C??EIGEN-CG03C??EIGEN-GL04S1??EIGEN-5C?????????????EIGEN-GRACE01S??EIGEN-GRACE02S??GGM01S??GGM02S??WHIGG-GEGM01S??GRACE-only???? |
| 关 键 词： | ????????????? CHAMP GRACE ???????????? ?????? |
PROGRESS AND PRESENT STATUS OF RESEARCH ON EARTH'S GRAVITATIONAL FIELD MODELS |
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| Zheng Wei,Xu Houze,Zhong Min,Yun Meijuan,Peng Bibo,Zhou Xuhua.PROGRESS AND PRESENT STATUS OF RESEARCH ON EARTH'S GRAVITATIONAL FIELD MODELS[J].Journal of Geodesy and Geodynamics,2010,30(4):83-91. | |
| Authors: | Zheng Wei Xu Houze Zhong Min Yun Meijuan Peng Bibo Zhou Xuhua |
| Institution: | 1) Key Laboratory of Dynamic Geodesy, Institute of Geodesy and Geophysics, CAS, Wuhan 430077 2) Disaster Prevention Research Institute, Kyoto University, Uji, Kyoto 611-0011, Japan 3) Department of Applied Physics, Wuhan University of Science and Technology, Wuhan 430081 4) Shanghai Astronomical Observatory, CAS, Shanghai 200030 |
| Abstract: | Firstly, the domestic and overseas Earth’s gravitational field models based on the traditional gravity measurement are looked back since 1966. Secondly, the global gravitational field models established from the data measured by CHAMP are presented. The results of EIGEN CHAMP03S model are only preferably in agreement with those of EIGEN 3P model in the long wavelength Earth’s gravitational field, and accord with those of EIGEN 1S, EIGEN 2 and EIGEN 3P models in the medium long wavelength Earth’s gravitational field, respectively. Finally, the existing GRACE satellite gravity models are introduced. The accuracy of GGM02S model is almost the same with that of WHIGG GEGM01S due to the similar amount of satellite observations, and the accuracies of all combined models including EIGEN CG01C, EIGEN CG03C, EIGEN GL04S1 and EIGEN 5C using combined satellite observations from CHAMP, GRACE, satellite altimetry and surface gravity are higher than those of GRACE only models including EIGEN GRACE01S, EIGEN GRACE02S, GGM01S, GGM02S and WHIGG GEGM01S. |
| Keywords: | CHAMP GRACE |
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