Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Error propagation for the Molodensky G1 term
https://orcid.org/0000-0002-6939-1340
https://orcid.org/0000-0001-9644-4535
https://orcid.org/0000-0001-9476-974X
Abstract Molodensky G terms are used in the computation of the quasigeoid. We derive error propagation formulas that take into account uncertainties in both the free air gravity anomaly and a digital elevation model. These are applied to generate G1 terms and their errors on a 1″ × 1″ grid over Australia. We use these to produce Molodensky gravity anomaly and accompanying uncertainty grids. These uncertainties have average value of 2 mGal with maximum of 54 mGal. We further calculate a gravimetric quasigeoid model by the remove–compute–restore technique. These Molodensky gravity anomaly uncertainties lead to quasigeoid uncertainties with a mean of 4 mm and maximum of 80 mm when propagated through a deterministically modified Stokes’s integral over an integration cap radius of 0.5°.
Error propagation for the Molodensky G1 term
https://orcid.org/0000-0002-6939-1340
https://orcid.org/0000-0001-9644-4535
https://orcid.org/0000-0001-9476-974X
Abstract Molodensky G terms are used in the computation of the quasigeoid. We derive error propagation formulas that take into account uncertainties in both the free air gravity anomaly and a digital elevation model. These are applied to generate G1 terms and their errors on a 1″ × 1″ grid over Australia. We use these to produce Molodensky gravity anomaly and accompanying uncertainty grids. These uncertainties have average value of 2 mGal with maximum of 54 mGal. We further calculate a gravimetric quasigeoid model by the remove–compute–restore technique. These Molodensky gravity anomaly uncertainties lead to quasigeoid uncertainties with a mean of 4 mm and maximum of 80 mm when propagated through a deterministically modified Stokes’s integral over an integration cap radius of 0.5°.
Error propagation for the Molodensky G1 term
https://orcid.org/0000-0002-6939-1340
https://orcid.org/0000-0001-9644-4535
https://orcid.org/0000-0001-9476-974X
Abstract Molodensky G terms are used in the computation of the quasigeoid. We derive error propagation formulas that take into account uncertainties in both the free air gravity anomaly and a digital elevation model. These are applied to generate G1 terms and their errors on a 1″ × 1″ grid over Australia. We use these to produce Molodensky gravity anomaly and accompanying uncertainty grids. These uncertainties have average value of 2 mGal with maximum of 54 mGal. We further calculate a gravimetric quasigeoid model by the remove–compute–restore technique. These Molodensky gravity anomaly uncertainties lead to quasigeoid uncertainties with a mean of 4 mm and maximum of 80 mm when propagated through a deterministically modified Stokes’s integral over an integration cap radius of 0.5°.
Error propagation for the Molodensky G1 term
McCubbine, J. C. (Autor:in) / Featherstone, W. E. (Autor:in) / Brown, N. J. (Autor:in)
Journal of Geodesy ; 93
2018
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Multiscale solution for the Molodensky problem on regular telluroidal surfaces
| Online Contents | 2006
Error propagation for the Molodensky G1 term
| Online Contents | 2018