Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007geoji.169....1a&link_type=abstract
Geophysical Journal International, Volume 169, Issue 1, pp. 1-11.
Astronomy and Astrophysics
Astronomy
4
Gradient, Gravity, Satellite, Tectonics
Scientific paper
Satellite-measured regional gravity and terrain elevation data are becoming increasingly available for improving our understanding of the geological properties and history of the Earth, Moon, Mars, Venus and other planets. In assessing the geological significance of the existing and growing volumes of these regional data sets, there is great need for computing theoretical anomalous gravity fields from geological models in spherical coordinates. In the present study, we explicitly develop the elegant Gauss-Legendre quadrature formulation for numerically modelling the complete gravity effects (i.e. potential, vector and tensor gradient fields) of the spherical prism. As an application, we investigate the gradient components of the isostatic gravity anomalies that the upcoming Gravity Field and Steady State Ocean Circulation Explorer (GOCE) satellite mission is likely to map over a large tectonically active region of the Middle East centred on Iran.
Asgharzadeh M. F.
Kim Hyo Ryoung
Kim Won-Jang
Leftwich Timothy E.
von Frese Ralph R. B.
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