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dc.contributor.authorVanicek, P.
dc.contributor.authorFeatherstone, Will
dc.identifier.citationVanicek, P. and Featherstone, W.E. 1998. Performance of three types of Stokes's kernel in the combined solution for the geoid. Journal of Geodesy 72 (12): 684-697.

When regional gravity data are used to compute a gravimetric geoid in conjunction with a geopotential model, it is sometimes implied that the terrestrial gravity data correct any erroneous wavelengths present in the geopotential model. This assertion is investigated. The propagation of errors from the low-frequency terrestrial gravity field into the geoid is derived for the spherical Stokes integral, the spheroidal Stokes integral and the Molodensky-modified spheroidal Stokes integral. It is shown that error-free terrestrial gravity data, if used in a spherical cap of limited extent, cannot completely correct the geopotential model. Using a standard norm, it is shown that the spheroidal and Molodensky-modified integration kernels offer a preferable approach. This is because they can filter out a large amount of the low-frequency errors expected to exist in terrestrial gravity anomalies and thus rely more on the low-frequency geopotential model, which currently offers the best source of this information.

dc.subjectGeoid determination - Modified kernels - Error propagation - High-pass filtering
dc.titlePerformance of three types of Stokes's kernel in the combined solution for the geoid
dc.typeJournal Article
dcterms.source.titleJournal of Geodesy

Originally published in Journal of Geodesy 1998 72(12) pp.684-697


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curtin.accessStatusFulltext not available
curtin.facultyDivision of Resources and Environment
curtin.facultyDepartment of Spatial Sciences

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