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A strict formula for geoid-to-quasigeoid separation
KTH, School of Architecture and the Built Environment (ABE), Transport and Economics, Geodesy.
2010 (English)In: Journal of Geodesy, ISSN 0949-7714, E-ISSN 1432-1394, Vol. 84, no 11, 699-702 p.Article in journal (Refereed) Published
Abstract [en]

The paper presented by Flury and Rummel (J Geod 83:829-847, 2009) discusses an important topographic correction to the traditional formula for the quasigeoid-to-geoid separation. Nevertheless, as their formula is approximate, the reader may ask for its relation to the strict one (defined as the one consistent with Bruns's formula and the boundary condition of physical geodesy), which is now derived. Although the result formally differs from that of Flury and Rummel, we show that the two formulas agree to the centimetre level all over the Earth. We also discuss the practical computation of the topographic correction.

Place, publisher, year, edition, pages
2010. Vol. 84, no 11, 699-702 p.
Keyword [en]
Geoid, Quasigeoid, Orthometric height, Normal height
National Category
URN: urn:nbn:se:kth:diva-26263DOI: 10.1007/s00190-010-0407-1ISI: 000283121600004ScopusID: 2-s2.0-77958460486OAI: diva2:389060
QC 20110118Available from: 2011-01-18 Created: 2010-11-21 Last updated: 2011-01-18Bibliographically approved

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Sjöberg, Lars E.
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