Abstract
China geodetic coordinate system 2000 was enabled formally on July 1, 2008; the definition of it is accordance with that of the international terrestrial reference system. On the basis of adjusting all observation data of crustal movement observation network of China (CMONOC), the mainland China was divided into seven plates in this paper, and the data was calculated with GAMIT/GLOBK soft and the high precise global position system (GPS) coordinates and velocity values in international terrestrial reference frame05 (ITRF 05) were got. The model of horizontal velocity field had been established with two space interpolation methods of inverse distance weight (IDW) and Kriging in mainland China. The accuracy of IDW is ±1.20 mm/a in the east–west, ±1.22 mm/a in the south–north and the other is ±1.06 mm/a in the east–west, ±1.09 mm/a in the south–north. The results of two interpolation methods accord with the trends of moving in the whole mainland China. The trend is strong in west, weak in east, complex in the central China.
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Acknowledgments
This paper was funded by National basic project of surveying and mapping: promotion and application of CGCS2000 (No. B2551).
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Chen, X., Cheng, P., Cheng, Y. (2012). Model and Method of Establishing Horizontal Velocity Field in Mainland China. In: Sun, J., Liu, J., Yang, Y., Fan, S. (eds) China Satellite Navigation Conference (CSNC) 2012 Proceedings. Lecture Notes in Electrical Engineering, vol 159. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29187-6_20
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DOI: https://doi.org/10.1007/978-3-642-29187-6_20
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