Reduction of geometric leveling results to a system of normal heights using the global gravity models of the Earth

Geodesy
UDC: 
528.21
DOI: 
10.22389/0016-7126-2018-935-5-2-9
1 Markovich K.I.
Year: 
2018
№: 
5
935
Pages: 
2-9

Polotsk State University

1, 
Abstract:
The possible range of application of models of the Earth’s gravitational field is considered in the article by reducing the results of geometric leveling to a system of normal heights. The accuracy of the global gravity models EGM2008, EIGEN-6C4, GECO on the gravity acceleration differences calculated for the territory of the Republic of Belarus by the results of instrumental gravimetric measurements and obtained from gravity models was estimated. Areas of Belarus are determined for which the gravitational correction for the transition to the system of normal heights will be caused by the deviation of the level surfaces of the normal gravitational field from the actual, and not by the errors of the gravitational models in the form of acceleration of gravity. It is shown that the error of the gravitational correction obtained from the data of gravity models for the territory of Belarus is many times less than the permissible random mean error of geometric leveling of the first class.
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Citation:
Markovich K.I., 
(2018) Reduction of geometric leveling results to a system of normal heights using the global gravity models of the Earth. Geodesy and cartography = Geodezia i Kartografia, 79(5), pp. 2-9. (In Russian). DOI: 10.22389/0016-7126-2018-935-5-2-9
Publication History
Received: 12.10.2017
Accepted: 02.04.2018
Published: 20.06.2018

Content

2018 May DOI:
10.22389/0016-7126-2018-935-5