Helical core flow from geomagnetic secular variation, Physics of the Earth and Planetary Interiors, vol.147, issue.1, pp.1-25, 2004. ,
DOI : 10.1016/j.pepi.2004.02.006
Kinematics of Geomagnetic Secular Variation in a Perfectly Conducting Core, Proc. Roy. Soc. London, A263, pp.239-266, 1968. ,
DOI : 10.1098/rsta.1968.0014
An Introduction to Geomagnetism, 1996. ,
Inverse Modeling of the Ocean and Atmosphere, 2002. ,
DOI : 10.1017/CBO9780511535895
Simple models of fluid flow at the core surface derived from geomagnetic field models, Geophysical Journal International, vol.99, issue.1, pp.173-182, 1989. ,
DOI : 10.1111/j.1365-246X.1989.tb02022.x
DYNAMICS OF ANGULAR MOMENTUM IN THE EARTH'S CORE, Annual Review of Earth and Planetary Sciences, vol.26, issue.1, pp.501-517, 1998. ,
DOI : 10.1146/annurev.earth.26.1.501
Fluid flow near the surface of Earth's outer core, Reviews of Geophysics, vol.94, issue.2, pp.97-120, 1991. ,
DOI : 10.1029/90RG02470
Geomagnetic Secular Variation, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.329, issue.1606, pp.415-502, 1989. ,
DOI : 10.1098/rsta.1989.0087
Ocean Data Assimilation Using Sequential Methods Based on the Kalman Filter, pp.271-316, 2006. ,
DOI : 10.1007/1-4020-4028-8_10
URL : https://hal.archives-ouvertes.fr/hal-00232778
On core surface flows inferred from satellite magnetic data, Physics of the Earth and Planetary Interiors, vol.152, issue.3, pp.200-220, 2005. ,
DOI : 10.1016/j.pepi.2005.06.009
URL : https://hal.archives-ouvertes.fr/insu-00372754
Equatorially Dominated Magnetic Field Change at the Surface of Earth's Core, Science, vol.300, issue.5628, pp.2084-2086, 2003. ,
DOI : 10.1126/science.1083324
The Theory of Rotating Fluids, 1990. ,
Free Hydromagnetic Oscillations of the Earth's Core and the Theory of the Geomagnetic Secular Variation, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.259, issue.1107, pp.615-647, 1966. ,
DOI : 10.1098/rsta.1966.0026
Unified Notation for Data Assimilation: Operational, Sequential and Variational, J. Meteorol. Soc. Japan, vol.75, pp.181-189, 1997. ,
DOI : 10.2151/jmsj1965.75.1b_181
Four centuries of geomagnetic secular variation from historical records, Proc. Roy. Soc, pp.957-990, 2000. ,
DOI : 10.1098/rsta.2000.0569
On Dynamical Models of the secular variation of the earth's magnetic field, Proceedings of the first Swarm International Science meeting, 2006. ,
Westward drift, core motions and exchanges of angular momentum between core and mantle, Nature, vol.333, issue.6171, pp.353-356, 1988. ,
DOI : 10.1038/333353a0
Outer core geostrophic flow and secular variation of Earth's magnetic field, Nature, pp.311-734, 1984. ,
Observing system simulation experiments in geomagnetic data assimilation, Journal of Geophysical Research, vol.75, issue.3, 2007. ,
DOI : 10.1029/2006JB004691
Introducing POMME, the POstam Magnetic Model of the Earth, Earth observations with CHAMP, pp.293-298, 2005. ,
The magnetic field of the Earth, 1996. ,
??rsted Initial Field Model, Geophysical Research Letters, vol.80, issue.22, pp.3607-361010, 1029. ,
DOI : 10.1029/2000GL011930
CHAOS-a model of the Earth's magnetic field derived from CHAMP, Ørsted, and SAC- C magnetic satellite data, Geophys, J. Int, vol.166, pp.67-75, 2006. ,
The Swarm End-to-End mission simulator study: A demonstration of separating the various contributions to Earth???s magnetic field using synthetic data, Earth, Planets and Space, vol.159, issue.2, pp.359-370, 2006. ,
DOI : 10.1186/BF03351934
Nonuniqueness of inverted core-mantle boundary flows and deviations from tangential geostrophy, Journal of Geophysical Research: Solid Earth, vol.287, issue.B8, pp.8105-8115, 2004. ,
DOI : 10.1029/2004JB003012
Transport properties of liquid metals and viscosity of the Earth's core, Geophysical Journal International, vol.92, issue.1, pp.99-105, 1988. ,
DOI : 10.1111/j.1365-246X.1988.tb01124.x
On Analysis of the Secular Variation, Journal of geomagnetism and geoelectricity, vol.17, issue.2, pp.137-151, 1965. ,
DOI : 10.5636/jgg.17.137
An Introduction to the Conjugate Gradient Method Without the Agonizing Pain, 1994. ,
Data assimilation in a sparsely observed one-dimensional modeled MHD system, Nonlinear Processes in Geophysics, vol.14, issue.2, 2007. ,
DOI : 10.5194/npg-14-181-2007
URL : https://hal.archives-ouvertes.fr/hal-00302844
Assimilation of observations, an introduction, J. Meteorol. Soc. Japan, vol.75, pp.191-209, 1997. ,
Variational Assimilation of Meteorological Observations With the Adjoint Vorticity Equation. I: Theory, Quarterly Journal of the Royal Meteorological Society, vol.8, issue.10, pp.1311-1328, 1987. ,
DOI : 10.1002/qj.49711347812