Alexandre Fournier

Documents

Publications

Motional Induction in Ganymede's Ocean

Simon Cabanes , Thomas Gastine , Alexandre Fournier

Geophysical Research Letters, 2026, 53 (6), ⟨10.1029/2025GL118647⟩

Article dans une revue hal-05590416v1

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 istex hal-02329268v1

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

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

Deciphering records of geomagnetic reversals

Jean-Pierre Valet , Alexandre Fournier

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

Article dans une revue insu-02400962v1

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 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

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

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

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

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

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

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

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

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

A. Genevey , Yves Gallet , Erwan Thébault , Philip W Livermore , Alexandre Fournier

27e édition de la Réunion des Sciences de la Terre, Nov 2021, Lyon, France

Poster de conférence hal-03962428v1

Online learning of subgrid-scale models for quasi-geostrophic turbulence in planetary interiors

Hugo Frezat , Thomas Gastine , Alexandre Fournier

2026

Pré-publication, Document de travail hal-05735431v1

FARMYARD: A Generic GPU-based Pipeline for Feature Discovery from Massive Planetary LiDAR Data

Shen Liang , Antoine Lucas , Stephen Porder , Gregory Sainton , Alexandre Fournier et al.

2022

Pré-publication, Document de travail hal-03815740v1

Prospective Terre Solide 2021-2025

Bruno Scaillet , Andrea Tommasi , Eric Humler , Stephane Guillot , France Lagroix et al.

INSU, CNRS. 2021

Rapport (rapport d’expertise collective) insu-04795791v1

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