Problem of fitting of local gravimetric and GPS/leveling height anomalies in task of modernization of the national vertical system
Original research | No. 22 (2014)
Original research | No. 22 (2014)

Problem of fitting of local gravimetric and GPS/leveling height anomalies in task of modernization of the national vertical system

DOI: 10.54491/jgac.2014.22.120
10.54491/jgac.2014.22.120
Published 2014-12-01
Minh Hoa Ha
Vietnam Institute of Geodesy and Cartography
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Ha, M. H. (2014). Problem of fitting of local gravimetric and GPS/leveling height anomalies in task of modernization of the national vertical system. Journal of Geodesy and Cartography, (22), 1–10. https://doi.org/10.54491/jgac.2014.22.120
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Abstract

This scientific article determined base for selection of first and second order height points with absolute values of defferences between local gravimetric and GPS/leveling height anomalies less 10 cm that are used for construction of the last national quasigeoid based on fitting of the GPS/leveling height anomalies and local gravimetric height anomalies by the collocation method. Besides, this article still proposed method of fitting of abovementioned values by correction of the spherical harmonic coefficients of the EGM2008 based on the disturbing potentials at the B order base points.
https://doi.org/10.54491/jgac.2014.22.120
PDF (Tiếng Việt) | Download: 41

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