A. Chulliat, E. Thebault, and G. Hulot, Core field acceleration pulse as a common cause of the, geomagnetic jerks, 2003.
URL : https://hal.archives-ouvertes.fr/hal-00540466

C. C. Finlay and A. Jackson, 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

C. C. Finlay, M. Dumberry, A. Chulliat, and M. A. Pais, Short timescale core dynamics: theory and observations, Space. Sci. Rev, vol.155, pp.1-4, 2010.

C. C. Finlay, International geomagnetic reference field: the eleventh generation, Geophys. J. Int, vol.183, issue.3, pp.1216-1230, 2010.
URL : https://hal.archives-ouvertes.fr/hal-00527822

C. C. Finlay, A. Jackson, N. Gillet, and N. Olsen, Core surface magnetic field evolution 2000-2010, Geophysical Journal International, vol.189, issue.2, pp.761-781, 2000.
DOI : 10.1111/j.1365-246X.2012.05395.x

A. Fournier, An introduction to data assimilation and predictability in geomagnetism, Space Sci. Rev, vol.155, pp.1-4, 2010.
URL : https://hal.archives-ouvertes.fr/insu-00565056

A. Fournier, J. Aubert, and E. Thébault, Inference on core surface flow from observations and 3-D dynamo modelling, Geophys, J. Int, vol.186, issue.1, pp.118-136, 2011.

N. Gillet, M. A. Pais, and D. Jault, Ensemble inversion of timedependent core flow models, Geochem. Geophys. Geosyst, vol.10, pp.10-1029, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00377131

N. Gillet, N. Schaeffer, and D. Jault, Rationale and geophysical evidence for quasi-geostrophic rapid dynamics within the Earth's outer core, Phys. Earth planet. Inter, vol.187, pp.3-4, 2011.

N. Gillet, D. Jault, C. C. Finlay, and N. Olsen, Stochastic modeling of the Earth's magnetic field: Inversion for covariances over the observatory era, Geochemistry, Geophysics, Geosystems, vol.39, issue.11, pp.766-786, 2013.
DOI : 10.1002/ggge.20041

R. S. Gross, A combined length-of-day series spanning 1832???1997: LUNAR97, Physics of the Earth and Planetary Interiors, vol.123, issue.1, pp.65-76, 2001.
DOI : 10.1016/S0031-9201(00)00217-X

R. Holme, Large-scale flow in the core Core dynamics, Treatise on Geophysics, pp.107-130, 2007.

A. Jackson and C. C. Finlay, Geomagnetic Secular Variation and Its Applications to the Core, Treatise on Geophysics, pp.147-193, 2007.
DOI : 10.1016/B978-044452748-6/00090-0

A. Jackson, J. Bloxham, and D. Gubbins, Time-dependent flow at the core surface and conservation of angular momentum in the coupled core-mantle system, in Dynamics of the Earth's Deep Interior and Earth Rotation, pp.97-107, 1993.

A. Jackson, A. R. Jonkers, and M. R. Walker, Four centuries of geomagnetic secular variation from historical records, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.358, issue.1768, pp.957-990, 2000.
DOI : 10.1098/rsta.2000.0569

D. Jault, Axial invariance of rapidly varying diffusionless motions in the Earth???s core interior, Physics of the Earth and Planetary Interiors, vol.166, issue.1-2, pp.67-76, 2008.
DOI : 10.1016/j.pepi.2007.11.001

D. Jault, C. Gire, and J. Le-mouël, 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

V. Lesur, I. Wardinski, M. Hamoudi, and M. Rother, The second generation of the GFZ Reference Internal Magnetic Model: GRIMM-2, Earth Planets Space, pp.62-765, 2010.

F. Lhuillier, J. Aubert, and G. Hulot, Earth's dynamo limit of predictability controlled by magnetic dissipation, Geophys, J. Int, vol.186, issue.2, pp.492-508, 2011.

F. Lhuillier, A. Fournier, G. Hulot, and J. Aubert, The geomagnetic secular-variation timescale in observations and numerical dynamo models, Geophysical Research Letters, vol.62, issue.10, pp.10-1029, 2011.
DOI : 10.1029/2011GL047356
URL : https://hal.archives-ouvertes.fr/insu-01410184

F. Lowes and N. Olsen, A more realistic estimate of the variances and systematic errors in spherical harmonic geomagnetic field models, Geophys, J. Int, vol.157, issue.3, pp.1027-1044, 2004.

M. Monnereau, M. Calvet, L. Margerin, and A. Souriau, Lopsided Growth of Earth's Inner Core, Science, vol.328, issue.5981, pp.328-1014, 2010.
DOI : 10.1126/science.1186212

N. Olsen and M. Mandea, Investigation of a secular variation impulse using satellite data: The 2003 geomagnetic jerk, Earth and Planetary Science Letters, vol.255, issue.1-2, pp.94-105, 2007.
DOI : 10.1016/j.epsl.2006.12.008

N. Olsen, M. Mandea, T. J. Sabaka, and L. Toffner-clausen, The CHAOS-3 geomagnetic field model and candidates for the 11th generation IGRF, Earth, Planets and Space, vol.159, issue.3, pp.62-719, 2010.
DOI : 10.5047/eps.2010.07.003

M. A. Pais and D. Jault, Quasi-geostrophic flows responsible for the secular variation of the Earth's magnetic field, Geophys, J. Int, vol.173, issue.2, pp.421-443, 2008.

M. Pozzo, C. J. Davies, D. Gubbins, and D. Alfè, Thermal and electrical conductivity of iron at Earth???s core conditions, Nature, vol.152, issue.7398, pp.485-355, 2012.
DOI : 10.1038/nature11031

T. J. Sabaka, N. Olsen, and M. Purucker, Extending comprehensive models of the Earth's magnetic field with ??rsted and CHAMP data, Geophysical Journal International, vol.159, issue.2, pp.521-547, 2004.
DOI : 10.1111/j.1365-246X.2004.02421.x