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Nonlin. Processes Geophys., 18, 657674, 2011 www.nonlin-processes-geophys.net/18/657/2011/
 

Summary: Nonlin. Processes Geophys., 18, 657674, 2011
www.nonlin-processes-geophys.net/18/657/2011/
doi:10.5194/npg-18-657-2011
Author(s) 2011. CC Attribution 3.0 License.
Nonlinear Processes
in Geophysics
Inferring internal properties of Earth's core dynamics and their
evolution from surface observations and a numerical
geodynamo model
J. Aubert and A. Fournier
Institut de Physique du Globe de Paris, UMR7154, INSU, CNRS Universite Paris-Diderot, PRES Sorbonne Paris Cite,
1 rue Jussieu, 75238 Paris cedex 5, France
Received: 28 June 2011 Revised: 23 September 2011 Accepted: 3 October 2011 Published: 12 October 2011
Abstract. Over the past decades, direct three-dimensional
numerical modelling has been successfully used to reproduce
the main features of the geodynamo. Here we report on ef-
forts to solve the associated inverse problem, aiming at in-
ferring the underlying properties of the system from the sole
knowledge of surface observations and the first principle dy-
namical equations describing the convective dynamo. To this

  

Source: Aubert, Julien - Institut de Physique du Globe de Paris
Fournier, Alexandre - Equipe de Geomagnetisme, Institut de Physique du Globe de Paris

 

Collections: Geosciences