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Least Squares Modification of Stokes Formula vs. Remove-Compute-Restore Technique
KTH, School of Architecture and the Built Environment (ABE), Transport and Economics (closed 20110301), Geodesy (closed 20110301).
Zanjan University, Iran.
2009 (English)In: Geophysical Research Abstracts: Vol. 11, EGU2009-4068-2, 2009, 2009Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Today's applications of Stokes' formula combine the classical formula with an Earth Gravity model (EGM). In the remove-compute-restore technique this is performed by removing the EGM from the gravity anomaly together with the direct gravity effects for topography, atmosphere, etc. After the Stokes integration all these effects are restored on the geoid height. In the least squares modification of Stokes' formula the integration is carried out without such direct effects, but all corrections are added as combined effects (direct plus indirect effects) to the computed preliminary geoid heights. The two strategies for geoid determination are compared both theoretically and in a numerical example vs. GPS-levelling over Sweden.

Place, publisher, year, edition, pages
2009.
National Category
Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:kth:diva-166679OAI: oai:DiVA.org:kth-166679DiVA: diva2:811821
Conference
EGU General Assembly 2009, held 19-24 April, 2009 in Vienna, Austria
Note

QC 20150513

Available from: 2015-05-13 Created: 2015-05-13 Last updated: 2015-05-13Bibliographically approved

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Sjöberg, Lars E.Kiamehr, Ramin
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