Alexandre Fournier

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Publications

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Core-surface kinematic control of polarity reversals in advanced geodynamo simulations

Julien Aubert , Maylis Landeau , Alexandre Fournier , Thomas Gastine

Physics of the Earth and Planetary Interiors, 2025, 364, pp.107365. ⟨10.1016/j.pepi.2025.107365⟩

Article dans une revue hal-05060600v1
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Fingering convection in a spherical shell

Théo Tassin , Thomas Gastine , Alexandre Fournier

Journal of Fluid Mechanics, 2024, 988, pp.A18. ⟨10.1017/jfm.2024.422⟩

Article dans une revue hal-04727530v1
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An assessment of implicit-explicit time integrators for the pseudo-spectral approximation of Boussinesq thermal convection in an annulus

Venkatesh Gopinath , Thomas Gastine , Alexandre Fournier

Journal of Computational Physics, 2022, 460, pp.110965. ⟨10.1016/j.jcp.2022.110965⟩

Article dans une revue hal-03673292v1
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Sustaining Earth’s magnetic dynamo

Maylis Landeau , Alexandre Fournier , Henri-Claude Nataf , David Cébron , Nathanaël Schaeffer

Nature Reviews Earth & Environment, 2022, 3, pp.255-269. ⟨10.1038/s43017-022-00264-1⟩

Article dans une revue hal-03623383v1
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Can machine learning reveal precursors of reversals of the geomagnetic axial dipole field?

K. Gwirtz , T. Davis , M. Morzfeld , C. Constable , A. Fournier et al.

Geophysical Journal International, 2022, 231 (1), pp.520-535. ⟨10.1093/gji/ggac195⟩

Article dans une revue insu-03748536v1
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A taxonomy of simulated geomagnetic jerks

Julien Aubert , Philip W Livermore , Christopher C Finlay , Alexandre Fournier , Nicolas Gillet

Geophysical Journal International, 2022, 231 (1), pp.650-672. ⟨10.1093/gji/ggac212⟩

Article dans une revue hal-03719369v1
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Physics-based secular variation candidate models for the IGRF

Alexandre Fournier , Julien Aubert , Vincent Lesur , Erwan Thébault

Earth Planets and Space, 2021, 73 (1), ⟨10.1186/s40623-021-01507-z⟩

Article dans une revue hal-03385990v1
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Archeomagnetic intensity investigations of French medieval ceramic workshops: Contribution to regional field modeling and archeointensity-based dating

Agnès Genevey , Yves Gallet , Erwan Thébault , Philip W. Livermore , Alexandre Fournier et al.

Physics of the Earth and Planetary Interiors, 2021, 318, pp.106750. ⟨10.1016/j.pepi.2021.106750⟩

Article dans une revue hal-03284542v1
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Archeomagnetic intensity variations during the era of geomagnetic spikes in the Levant

Philip W Livermore , Yves Gallet , Alexandre Fournier

Physics of the Earth and Planetary Interiors, 2021, 312, ⟨10.1016/j.pepi.2021.106657⟩

Article dans une revue hal-03444542v1
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A secular variation candidate model for IGRF-13 based on Swarm data and ensemble inverse geodynamo modelling

Alexandre Fournier , Julien Aubert , Vincent Lesur , Guillaume Ropp

Earth Planets and Space, 2021, 73 (1), pp.43. ⟨10.1186/s40623-020-01309-9⟩

Article dans une revue hal-03142036v1
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Tracing the geomagnetic field intensity variations in Upper Mesopotamia during the Pottery Neolithic to improve ceramic-based chronologies

Y. Gallet , A. Fournier , P.W. W Livermore

Journal of Archaeological Science, 2021, 132, pp.105430. ⟨10.1016/j.jas.2021.105430⟩

Article dans une revue hal-03437412v1
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Analyzing the geomagnetic axial dipole field moment over the historical period from new archeointensity results at Bukhara (Uzbekistan, Central Asia)

Marie Troyano , Yves Gallet , Agnès Genevey , Vladimir Pavlov , Alexandre Fournier et al.

Physics of the Earth and Planetary Interiors, 2021, 310, pp.106633. ⟨10.1016/j.pepi.2020.106633⟩

Article dans une revue hal-03454154v1
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Evaluation of candidate models for the 13th generation International Geomagnetic Reference Field

P. Alken , Erwan Thébault , C. D. Beggan , J. Aubert , J. Baerenzung et al.

Earth Planets and Space, 2021, 73, pp.1281-1293. ⟨10.1186/s40623-020-01281-4⟩

Article dans une revue insu-04033776v1
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International geomagnetic reference field: the thirteenth generation

P Alken , Erwan Thébault , C D Beggan , Hagay Amit , J Aubert et al.

Earth Planets and Space, 2021, 73, pp.49. ⟨10.1186/s40623-020-01288-x⟩

Article dans une revue cea-03141089v1
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Can one use Earth's magnetic axial dipole field intensity to predict reversals?

K. Gwirtz , M. Morzfeld , A. Fournier , G. Hulot

Geophysical Journal International, 2021, 225, pp.277-297. ⟨10.1093/gji/ggaa542⟩

Article dans une revue insu-03590073v1
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Geomagnetic semblance and dipolar–multipolar transition in top-heavy double-diffusive geodynamo models

Théo Tassin , Thomas Gastine , Alexandre Fournier

Geophysical Journal International, 2021, 226 (3), pp.1897-1919. ⟨10.1093/gji/ggab161⟩

Article dans une revue hal-03424106v1
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Seismic Wave-Based Constraints on Geodynamical Processes: An Application to Partial Melting Beneath the Réunion Island

T. Franken , J. J. Armitage , N. Fuji , A. Fournier

Geochemistry, Geophysics, Geosystems, 2020, 21, ⟨10.1029/2019GC008815⟩

Article dans une revue insu-03748813v1
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Dynamo-based limit to the extent of a stable layer atop Earth's core

Thomas Gastine , Julien Aubert , Alexandre Fournier

Geophysical Journal International, 2020, 222 (2), pp.1433 - 1448. ⟨10.1093/gji/ggaa250⟩

Article dans une revue insu-02878730v1
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Imprint of magnetic flux expulsion at the core-mantle boundary on geomagnetic field intensity variations

M Troyano , A. Fournier , Y. Gallet , C. Finlay

Geophysical Journal International, 2020, 221 (3), pp.1984-2009. ⟨10.1093/gji/ggaa126⟩

Article dans une revue insu-02878663v1
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Analysis of geomagnetic field intensity variations in Mesopotamia during the third millennium BC with archeological implications

Yves Gallet , Michel Fortin , Alexandre Fournier , Maxime Le Goff , Philip Livermore

Earth and Planetary Science Letters, 2020, 537, pp.116183. ⟨10.1016/j.epsl.2020.116183⟩

Article dans une revue hal-03028425v1
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Impact of the Earth’s magnetic field secular drift on the low altitude proton radiation belt from years 1900 to 2050

S. Bourdarie , A. Fournier , A. Sicard , G. Hulot , Julien Aubert et al.

IEEE Transactions on Nuclear Science, 2019, pp.1-1. ⟨10.1109/TNS.2019.2897378⟩

Article dans une revue hal-02129936v1
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Refining the high-fidelity archaeointensity curve for western Europe over the past millennium: analysis of Tuscan architectural bricks (Italy)

Agnes Genevey , Claudia Principe , Yves Gallet , Giuseppe Clemente , Maxime Le Goff et al.

The Geological Society, London, Special Publications, 2019, 497 (1), pp.73-88. ⟨10.1144/SP497-2019-74⟩

Article dans une revue hal-03028885v1
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Transdimensional inference of archeomagnetic intensity change

Philip W Livermore , Alexandre Fournier , Yves Gallet , Thomas Bodin

Geophysical Journal International, 2018, 215 (3), pp.2008-2034. ⟨10.1093/gji/ggy383⟩

Article dans une revue insu-02303785v1
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Ensemble Kalman filter for the reconstruction of the Earth's mantle circulation

Marie Bocher , Alexandre Fournier , Nicolas Coltice

Nonlinear Processes in Geophysics, 2018, 25 (1), pp.99--123. ⟨10.5194/npg-25-99-2018⟩

Article dans une revue hal-02358980v1
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Turbulent geodynamo simulations: a leap towards Earth's core

Nathanaël Schaeffer , Dominique Jault , Henri-Claude Nataf , Alexandre Fournier

Geophysical Journal International, 2017, ⟨10.1093/gji/ggx265⟩

Article dans une revue insu-01422187v3
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Variational Estimation of the Large-scale Time-dependent Meridional Circulation in the Sun: Proofs of Concept with a Solar Mean Field Dynamo Model

Ching Pui Hung , Allan Sacha Brun , Alexandre Fournier , Laurène Jouve , Olivier Talagrand et al.

The Astrophysical Journal, 2017, 849 (2), pp.160. ⟨10.3847/1538-4357/aa91d1⟩

Article dans une revue cea-02127665v1
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Coarse predictions of dipole reversals by low-dimensional modeling and data assimilation

Matthias Morzfeld , Alexandre Fournier , Gauthier Hulot

Physics of the Earth and Planetary Interiors, 2017, 262, pp.8-27. ⟨10.1016/j.pepi.2016.10.007⟩

Article dans une revue insu-03748879v1
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Spherical convective dynamos in the rapidly rotating asymptotic regime

Julien Aubert , Thomas Gastine , Alexandre Fournier

Journal of Fluid Mechanics, 2017, 813, pp.558-593. ⟨10.1017/jfm.2016.789⟩

Article dans une revue insu-02918361v1

A particle-in-cell method for studying double-diffusive convection in the liquid layers of planetary interiors

Mathieu Bouffard , Stéphane Labrosse , Gael Choblet , Alexandre Fournier , Julien Aubert et al.

Journal of Computational Physics, 2017, 346, pp.552-571. ⟨10.1016/j.jcp.2017.06.028⟩

Article dans une revue hal-02329268v1
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Frequency spectrum of the geomagnetic field harmonic coefficients from dynamo simulations

Claire Bouligand , Nicolas Gillet , Dominique Jault , Nathanaël Schaeffer , Alexandre Fournier et al.

Geophysical Journal International, 2016, 207, pp.1142 - 1157. ⟨10.1093/gji/ggw326⟩

Article dans une revue hal-01451189v1
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Modelling the archaeomagnetic field under spatial constraints from dynamo simulations: a resolution analysis

Sébastien Sanchez , A. Fournier , J. Aubert , E. Cosme , Y. Gallet

Geophysical Journal International, 2016, 207 (2), pp.983-1002. ⟨10.1093/gji/ggw316⟩

Article dans une revue insu-01864279v1

Coupled dynamics of Earth's geomagnetic westward drift and inner core super-rotation

Guillaume Pichon , Julien Aubert , Alexandre Fournier

Earth and Planetary Science Letters, 2016, 437, pp.114-126. ⟨10.1016/j.epsl.2016.01.004⟩

Article dans une revue insu-03581676v1
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Deciphering records of geomagnetic reversals

Jean-Pierre Valet , Alexandre Fournier

Reviews of Geophysics, 2016, ⟨10.1002/2015RG000506⟩

Article dans une revue insu-02400962v1
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A sequential data assimilation approach for the joint reconstruction of mantle convection and surface tectonics

M Bocher , N Coltice , Alexandre Fournier , Paul J. Tackley

Geophysical Journal International, 2015, 204 (1), pp.200-214. ⟨10.1093/gji/ggv427⟩

Article dans une revue hal-01355793v1
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The impact of geomagnetic spikes on the production rates of cosmogenic 14 C and 10 Be in the Earth's atmosphere

Alexandre Fournier , Yves Gallet , Ilya Usoskin , Philip W Livermore , Gennady A Kovaltsov

Geophysical Research Letters, 2015, 42 (8), pp.2759-2766. ⟨10.1002/2015GL063461⟩

Article dans une revue insu-01862970v1
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Estimating the Deep Solar Meridional Circulation Using Magnetic Observations and a Dynamo Model: A Variational Approach

Ching Pui Hung , Laurène Jouve , Allan Sacha Brun , Alexandre Fournier , Olivier Talagrand

The Astrophysical Journal, 2015, 814, ⟨10.1088/0004-637X/814/2/151⟩

Article dans une revue insu-03634043v1
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A candidate secular variation model for IGRF-12 based on Swarm data and inverse geodynamo modelling

Alexandre Fournier , Julien Aubert , Erwan Thébault

Earth Planets and Space, 2015, 67, pp.81. ⟨10.1186/s40623-015-0245-8⟩

Article dans une revue insu-02134305v1
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International Geomagnetic Reference Field: the 12th generation

Erwan Thébault , Christopher C Finlay , Ciarán D Beggan , Patrick Alken , Julien J Aubert et al.

Earth Planets and Space, 2015, 67, pp.79. ⟨10.1186/s40623-015-0228-9⟩

Article dans une revue insu-01412375v1

Corrigendum to “Hydromagnetic quasi-geostrophic modes in rapidly rotating planetary cores” [Phys. Earth Planet. Inter. 229 (2014) 1-15]

E. Canet , C. C. Finlay , A. Fournier

Physics of the Earth and Planetary Interiors, 2014, 234, pp.60-60. ⟨10.1016/j.pepi.2014.05.003⟩

Article dans une revue insu-03581096v1
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Core-flow constraints on extreme archeomagnetic intensity changes

Philip W. Livermore , Alexandre Fournier , Yves Gallet

Earth and Planetary Science Letters, 2014, 387, pp.145-156. ⟨10.1016/j.epsl.2013.11.020⟩

Article dans une revue insu-03581150v1

Hydromagnetic quasi-geostrophic modes in rapidly rotating planetary cores

E. Canet , C. C. Finlay , A. Fournier

Physics of the Earth and Planetary Interiors, 2014, 229, pp.1-15. ⟨10.1016/j.pepi.2013.12.006⟩

Article dans une revue insu-03581131v1

Bottom-up control of geomagnetic secular variation by the Earth’s inner core

Julien Aubert , Christopher C Finlay , Alexandre Fournier

Nature, 2013, 502 (7470), pp.219-223. ⟨10.1038/nature12574⟩

Article dans une revue insu-02918976v1
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THE PREDICTABILITY OF ADVECTION-DOMINATED FLUX-TRANSPORT SOLAR DYNAMO MODELS

Sabrina Sanchez , Alexandre Fournier , Julien Aubert

The Astrophysical Journal, 2013, 781 (1), pp.8. ⟨10.1088/0004-637X/781/1/8⟩

Article dans une revue insu-01411576v1
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An ensemble Kalman filter for the time-dependent analysis of the geomagnetic field

Alexandre Fournier , Lars Nerger , Julien Aubert

Geochemistry, Geophysics, Geosystems, 2013, 14 (10), pp.4035-4043. ⟨10.1002/ggge.20252⟩

Article dans une revue istex insu-02919123v1
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A mean-field Babcock-Leighton solar dynamo model with long-term variability

Sabrina Sanchez , Alexandre Fournier , Katia J Pinheiro , Julien Aubert

Anais da Academia Brasileira de Ciências, 2013, 86 (1), pp.11-26. ⟨10.1590/0001-37652014111212⟩

Article dans une revue insu-02134326v1

The influence of a sloping bottom endwall on the linear stability in the thermally driven baroclinic annulus with a free surface

Thomas von Larcher , Alexandre Fournier , Rainer Hollerbach

Theoretical and Computational Fluid Dynamics, 2013, 27, pp.433-451. ⟨10.1007/s00162-012-0289-3⟩

Article dans une revue istex insu-03581783v1
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The geomagnetic secular-variation timescale in observations and numerical dynamo models

Florian Lhuillier , Alexandre Fournier , Gauthier Hulot , Julien Aubert

Geophysical Research Letters, 2011, 38 (9), pp.L09306. ⟨10.1029/2011GL047356⟩

Article dans une revue insu-01410184v1
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Inferring internal properties of Earth's core dynamics and their evolution from surface observations and a numerical geodynamo model

J. Aubert , A. Fournier

Nonlinear Processes in Geophysics, 2011, 18, pp.657-674. ⟨10.5194/npg-18-657-2011⟩

Article dans une revue insu-03606442v1
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Inference on core surface flow from observations and 3-D dynamo modelling

Alexandre Fournier , Julien Aubert , Erwan Thébault

Geophysical Journal International, 2011, ⟨10.1111/j.1365-246X.2011.05037.x⟩

Article dans une revue insu-01308359v1

An Introduction to Data Assimilation and Predictability in Geomagnetism

Alexandre Fournier , Gauthier Hulot , Dominique Jault , Weijia Kuang , Andrew Tangborn et al.

Space Science Reviews, 2010, 155 (1-4), pp.247-291. ⟨10.1007/S11214-010-9669-4⟩

Article dans une revue istex insu-00565056v1

Fast torsional waves and strong magnetic field within the Earth's core

Nicolas Gillet , Dominique Jault , Elisabeth Canet , Alexandre Fournier

Nature, 2010, 465, pp.74-77. ⟨10.1038/NATURE09010⟩

Article dans une revue istex insu-00545040v1
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Forward and adjoint quasi-geostrophic models of the geomagnetic secular variation

Elisabeth Canet , Alexandre Fournier , Dominique Jault

Journal of Geophysical Research : Solid Earth, 2009, 114, pp.B11101. ⟨10.1029/2008JB006189⟩

Article dans une revue hal-00455441v1
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A 2-D spectral-element method for computing spherical-earth seismograms—II. Waves in solid–fluid media

Tarje Nissen-Meyer , Alexandre Fournier , F. A. Dahlen

Geophysical Journal International, 2008, 174 (3), pp.873 à 888. ⟨10.1111/j.1365-246X.2008.03813.x⟩

Article dans une revue istex insu-00354179v1
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A case for variational geomagnetic data assimilation: insights from a one-dimensional, nonlinear, and sparsely observed MHD system

Alexandre Fournier , Céline Eymin , Thierry Alboussière

Nonlinear Processes in Geophysics, 2007, 14, pp.163-180

Article dans une revue hal-00145920v1
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Spherical-earth Fréchet sensitivity kernels

Tarje Nissen-Meyer , F. A. Dahlen , Alexandre Fournier

Geophysical Journal International, 2007, 168 (3), pp.1051 à 1066. ⟨10.1111/j.1365-246X.2006.03123.x⟩

Article dans une revue insu-00347499v1

Energy distribution in nonaxisymmetric magnetic Taylor-Couette flow

M. Gellert , G. Rudiger , Alexandre Fournier

Astronomical Notes / Astronomische Nachrichten, 2007, 328 (10), pp.1162 à 1165. ⟨10.1002/asna.200710862⟩

Article dans une revue insu-00346071v1
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A case for variational geomagnetic data assimilation: insights from a one-dimensional, nonlinear, and sparsely observed MHD system

A. Fournier , C. Eymin , T. Alboussière

Nonlinear Processes in Geophysics, 2007, 14 (2), pp.163-180

Article dans une revue hal-00331098v1
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A two-dimensional spectral-element method for computing spherical-earth seismograms – I. Moment-tensor source

Tarje Nissen-Meyer , Alexandre Fournier , F.A. Dahlen

Geophysical Journal International, 2007, 168 (3), pp.1067-1092. ⟨10.1111/j.1365-246X.2006.03121.x⟩

Article dans une revue insu-00199693v1

Spherical Couette flow in a dipolar magnetic field

R. Hollerbach , Elisabeth Canet , Alexandre Fournier

European Journal of Mechanics - B/Fluids, 2007, 26 (6), pp.729 à 737. ⟨10.1016/j.euromechflu.2007.02.002⟩

Article dans une revue insu-00346226v1

A Fourier-spectral element algorithm for thermal convection in rotating axisymmetric containers.

Alexandre Fournier , H.P. Bunge , R. Hollerbach , J.P. Vilotte

Journal of Computational Physics, 2005, 204 (2), pp.462-489. ⟨10.1016/j.jcp.2004.10.020⟩

Article dans une revue istex hal-00109462v1
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Application of the spectral-element method to the axisymmetric Navier-Stokes equation

A. Fournier , H. -P. Bunge , R. Hollerbach , J. -P. Vilotte

Geophysical Journal International, 2004, 156, pp.682-700. ⟨10.1111/j.1365-246X.2004.02149.x⟩

Article dans une revue insu-03600288v1

Applications archéologiques des recherches en archéomagnétisme menées à l'institut de Physique du Globe de Paris (IPGP) et au Laboratoire d'Archéologie Moléculaire et Structurale (LAMS)

Yves Gallet , Agnès Genevey , Maxime Le Goff , Nicolas Warmé , Alexandre Fournier

27e édition de la Réunion des Sciences de la Terre, SGF, CNRS, Laboratoire de Géologie de Lyon ou l’étude de la Terre, des planètes et de l’environnement, Nov 2021, Lyon, France

Communication dans un congrès hal-03587745v1

Archeointensity-based dating method: Examples from France and the Near-East

Agnès Genevey , Yves Gallet , Erwan Thébault , Phil Livermore , Alexandre Fournier

27e édition de la Réunion des Sciences de la Terre, SGF, CNRS, Laboratoire de Géologie de Lyon ou l’étude de la Terre, des planètes et de l’environnement, Nov 2021, Lyon, France

Communication dans un congrès hal-03587757v1

Geomagnetic intensity variations in Western Europe over the past 1700 years: Contributions and limitations of intensity dating of archeological ceramics (Invited)

Agnès Genevey , Yves Gallet , Erwan Thébault , Philip W Livermore , Alexandre Fournier et al.

AGU Fall Meeting 2021, American Geophysical Union, Dec 2021, NEw Orleans, United States

Communication dans un congrès hal-03962382v1

A solar cycle 25 prediction based on 4D-var data assimilation approach

Allan Sacha Brun , Ching Pui Hung , Alexandre Fournier , Laurène Jouve , Olivier Talagrand et al.

Solar and Stellar Magnetic Fields: Origins and Manifestations, 2020, à renseigner, Unknown Region. pp.138-146, ⟨10.1017/S1743921320003993⟩

Communication dans un congrès insu-03584813v1

Towards Estimating the Solar Meridional Flow and Predicting the 11-yr Cycle Using Advanced Variational Data Assimilation Techniques

Ching Pui Hung , Allan Sacha Brun , Alexandre Fournier , Laurène Jouve , Olivier Talagrand et al.

Space Weather of the Heliosphere: Processes and Forecasts, 2018, à renseigner, Unknown Region. pp.183-186, ⟨10.1017/S1743921317010754⟩

Communication dans un congrès insu-03589340v1
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Impact of the Earth’s magnetic field secular drift on the low altitude proton radiation belt from years 1900 to 2050

Sebastien Bourdarie , Alexandre Fournier , Angélica Sicard , Gauthier Hulot , Julien Aubert et al.

RADECS 2018, Sep 2018, Göteborg, Sweden

Communication dans un congrès hal-01982982v1

Impact of deep mantle structural heterogeneities on core-diffracted traveltimes: constraints on full-wave Born sensitivity kernel tomography

Éric Beucler , Yann Capdeville , A. Fournier , T. Nissen-Meyer

AGU Fall Meeting, Dec 2010, San Francisco, United States

Communication dans un congrès hal-00588840v1