Paper Titles

Experiment Research on Seeking Multinomial Curved Surface Fitting Model of GPS Leveling
p.2844

Gravity Anomaly Detected by GOCE in China’s Western Region
p.2849

Study on Key Technology in the Control Surveying of Jinan-Qingdao Highway’s South Line
p.2853

An Improved Wavelet Threshold De-Noising Data Processing Method Research in Deformation Monitoring
p.2858

Determination of Seasonal Variations of Low-Degree Earth Gravity Field from CHAMP Geometric Orbits
p.2864

Novel High-Precision Grey Forecasting Model and its Application of Deformation of Tunnel Surrounding Rock
p.2869

The Application of Close-Range Digital Photogrammetry Based on the Neural Network in Crack-Monitoring
p.2875

GM(1,1) Model Based on Least Absolute Estimation of Residual
p.2881

Study Improved Background Value Functions of Non-Equidistance GM(1,1) Model in Surveying and Mapping Engineering
p.2887

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 90-93Determination of Seasonal Variations of Low-Degree...

Determination of Seasonal Variations of Low-Degree Earth Gravity Field from CHAMP Geometric Orbits

Article Preview

Abstract:

Based on satellite dynamics, 1 year’s CHAMP geometric precise orbit data are used in this paper to fit the satellite orbits by Cowell II numerical integral and partitioned Bayesian least square parameter estimation. Time series of low degree geopotential coefficients and are respectively calculated, which reflects obviously seasonal variations of and . The results / month, /month indicate the geodynamical shape of the earth is getting rounder and rounder and at the same time its pear-shaped component adds gradually.

You might also be interested in these eBooks

Advances in Civil Engineering, ICCET 2011

Info:

Periodical:

Applied Mechanics and Materials (Volumes 90-93)

Pages:

2864-2868

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.90-93.2864

Citation:

Cite this paper

Online since:

September 2011

Authors:

Xin Liu, Jin Yun Guo, Qiao Li Kong, Guo Wei Li

Keywords:

Champ Satellite, Earth Gravity Field, Geometric Orbit, Seasonal Variation

Export:

RIS, BibTeX

Price:

Permissions:

Request Permissions

[1] W. Torge: Gravimetry (Walter de Gruyter & Co., Berlin 1989).

[2] H. Xu and Z.L. Lu: Earth gravity field and geoid in China (Press of PLA, Beijing 1997).

[3] C. Reigber, G. Balmino, P. Schwintzer, R. Biancale, A. Bode, J.M. Lemoine, R. Konig, S. Loyer, H. Neumayer J.C. Marty, F. Barthelmes, F. Perosanz and S.Y. Zhu: Geophysical Research Letters, Vol. 29(14)(2002), p.1

DOI: 10.1029/2002gl015064

[4] E.R. Ivins, C.G. Sammis and C.F. Yoder: Journal of Geophysical Research, Vol. 98(1993), p.4579

[5] W.Rabble and J. Zschau: Journal of Geophysics, Vol. 56(1985), p.81

[6] C.F. Yoder, J.G. Williams, J.O. Dickey, B. E. Schutz, R. J. Eanes and B. D.Tapley: Nature, Vol. 303(1983), p.757

[7] M.K. Cheng, R.J. Eanes, C.K. Shum, B. E. Schutz and B. D. Tapley : Geophysical Research Letters, Vol. 16(1989), p.393

[8] M.K. Cheng, C.K. Shum and B.D. Tapley: Journal of Geophysical Research,Vol. 102(B10) (1995), p.22377

[9] M.K. Cheng and B.D. Tapley: Journal of Geophysical Research, Vol. 104(1999), p.2667

[10] B.B. Peng, B. Wu and H. Xu: Acta Geodaetica et Cartographica Sinica, Vol. 29(Sup) (2000), p.38

[11] S.Y. Zhu and C. Shi: Satellite gravimetry and precise orbit determination. Rep., Department of Geodesy and Remote Sensing, GFZ, (2003)

[12] D. Svehla and M. Rothacher: Kinematic, reduced-kinematic, dynamic and reduced-dynamic precise orbit determination in the LEO orbit. Second CHAMP Meeting (Potsdam 2003).

DOI: 10.5194/adgeo-1-47-2003

[13] W.M. Kaula: Theory of satellite geodesy(Blaisdell Publishing Company, Walthamn Massachusetts 1966).

[14] G. Balmino and J.B. Barriot: Manuscipta Geodetica, Vol. 15(1989), p.1

[15] J.Y. Guo, C.W. Hwang, J.G. Hu and J.C. Li: Geomatics and Information Science of Wuhan University, Vol. 32(1) (2007), p.11