A computational scheme to model the geoid by the modified Stokes formula without gravity reductions

LE Sjöberg - Journal of geodesy, 2003 - Springer
In a modern application of Stokes' formula for geoid determination, regional terrestrial gravity
is combined with long-wavelength gravity information supplied by an Earth gravity model …

A new gravimetric geoid model for Sudan using the KTH method

A Abdalla, D Fairhead - Journal of African earth sciences, 2011 - Elsevier
Sudan is characterized by vast area with flat terrains in most of the country's regions and
therefore the existence of a high-resolution geoid model is considered very important …

The topographic bias by analytical continuation in physical geodesy

LE Sjöberg - Journal of Geodesy, 2007 - Springer
This study emphasizes that the harmonic downward continuation of an external
representation of the Earth's gravity potential to sea level through the topographic masses …

The 5 mm geoid model for Estonia computed by the least squares modified Stokes's formula

A Ellmann, S Märdla, T Oja - Survey review, 2020 - Taylor & Francis
Computational stages of a new high-resolution 5 mm quasigeoid model for Estonia are
explained. Certain requirements for the quality and coverage of gravity data in the context of …

New views of the spherical Bouguer gravity anomaly

P Vaníček, R Tenzer, LE Sjöberg… - Geophysical Journal …, 2004 - academic.oup.com
This paper presents a number of new concepts concerning the gravity anomaly. First, it
identifies a distinct difference between a surface (2-D) gravity anomaly (the difference …

The US Gravimetric Geoid of 2009 (USGG2009): model development and evaluation

YM Wang, J Saleh, X Li, DR Roman - Journal of Geodesy, 2012 - Springer
A new gravimetric geoid model, USGG2009 (see Abbreviations), has been developed for
the United States and its territories including the Conterminous US (CONUS), Alaska …

A discussion on the approximations made in the practical implementation of the remove–compute–restore technique in regional geoid modelling

LE Sjöberg - Journal of Geodesy, 2005 - Springer
The remove-compute-restore (RCR) technique is the most well known method for regional
gravimetric geoid determination today. Its basic theory is the first-order approximation of …

On Helmert's methods of condensation

B Heck - Journal of geodesy, 2003 - Springer
Helmert's first and second method of condensation are reviewed and generalized in two
respects: First, the point at which the effects of topographical and condensation masses are …

Spatial and spectral analysis of refined gravity data for modelling the crust–mantle interface and mantle-lithosphere structure

R Tenzer, V Gladkikh, P Novák, P Vajda - Surveys in geophysics, 2012 - Springer
We analyse spatial and spectral characteristics of various refined gravity data used for
modelling and gravimetric interpretation of the crust–mantle interface and the mantle …

Empirical comparison between stochastic and deterministic modifiers over the French Auvergne geoid computation test-bed

R Goyal, J Ågren, WE Featherstone, LE Sjöberg… - Survey …, 2022 - Taylor & Francis
Since 2006, several different groups have computed geoid and/or quasigeoid (quasi/geoid)
models for the Auvergne test area in central France using various approaches. In this …