On the Construction of a Synthetic Earth Gravity Model (SEGM)
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A synthetic Earth gravity model (SEGM), based on realistic-as-possible information and assumptions about the mass distribution of the Earth, generates self-consistent gravity field quantities. Therefore, such a model is well suited to validate the theories and methods used in practical gravity field determination. This paper describes the theoretical and practical methods required to construct an SEGM using recently available data on the Earth's mass distribution. The approach presented is a first attempt to construct an SEGM purely by forward gravity field modelling. Numerical results will be given for global synthetic geoid heights and gravity anomalies, which show common features with EGM96.
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A Synthetic Earth Gravity Model Designed Specifically for Testing Regional Gravimetric Geoid Determination AlgorithmsBaran, Ireneusz; Kuhn, Michael; Claessens, Sten; Featherstone, Will; Holmes, S.; Vanicek, P. (2006)A synthetic [simulated] Earth gravity model (SEGM) of the geoid, gravity and topography has been constructed over Australia specifically for validating regional gravimetric geoid determination theories, techniques and ...
Kuhn, Michael; Featherstone, Will (2005)A synthetic Earth gravity model (SEGM) generates exact gravity field quantities and therefore is well suited to validate methods used in gravity field modelling. This paper describes the construction of a SEGM by forward ...
Fellner, J.; Kuhn, Michael; Featherstone, Will (2012)Several previous Synthetic Earth Gravity Model (SEGM) simulations are based on existing information about the Earth’s internal mass distribution. However, currently available information is insufficient to model the Earth’s ...