ORIGINAL ARTICLE
Preliminary Unification of Kronsztadt86 Local Vertical Datum with Global Vertical Datum
1
Department of Land Surveying and Geomatics, University of Warmia and Mazury in Olsztyn Olsztyn, Poland
Online publication date: 2015-02-03
Reports on Geodesy and Geoinformatics 2014;97:103-111
KEYWORDS
ABSTRACT
The study concerns computation of the gravity potential difference between the Kronsztadt86 datum and the global vertical datum. This method is based on the use of ellipsoidal heights from satellite observations, normal heights obtained from the conducted leveling campaign and quasigeoid/ellipsoid separations computed based on the EGM2008 model. The obtained results indicate that there are substantial differences in the estimated value of the parameter ΔW, computed from three different satellite networks: POLREF, EUVN-DA and ASG-EUPOS. The parameter was determined with sufficient accuracy and the applied systematic error model has low efficiency. The computations reveal that the best value of ΔW for the territory of Poland is 0.43 m2s-2.
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| eISSN: | 2391-8152 |
| ISSN: | 2391-8365 |
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