Alexandre Fournier

Publications

Article dans une revue (62)

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
Can machine learning reveal precursors of reversals of the geomagnetic axial dipole field? K. Gwirtz,T. Davis,M. Morzfeld,C. Constable,A. Fournieret al. Geophysical Journal International, 2022, 231 (1), pp.520-535. ⟨10.1093/gji/ggac195⟩ Article dans une revue insu-03748536v1
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
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
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
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 Fournieret 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
International geomagnetic reference field: the thirteenth generation P Alken,Erwan Thébault,C D Beggan,Hagay Amit,J Aubertet al. Earth Planets and Space, 2021, 73, pp.49. ⟨10.1186/s40623-020-01288-x⟩ Article dans une revue cea-03141089v1
Evaluation of candidate models for the 13th generation International Geomagnetic Reference Field P. Alken,Erwan Thébault,C. D. Beggan,J. Aubert,J. Baerenzunget al. Earth Planets and Space, 2021, 73, pp.1281-1293. ⟨10.1186/s40623-020-01281-4⟩ Article dans une revue insu-04033776v1
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
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 Fournieret al. Physics of the Earth and Planetary Interiors, 2021, 318, pp.106750. ⟨10.1016/j.pepi.2021.106750⟩ Article dans une revue hal-03284542v1
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
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
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 Aubertet 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 Goffet al. The Geological Society, London, Special Publications, 2019, 497 (1), pp.73-88. ⟨10.1144/SP497-2019-74⟩ Article dans une revue hal-03028885v1
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
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
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 Aubertet al. Journal of Computational Physics, 2017, 346, pp.552-571. ⟨10.1016/j.jcp.2017.06.028⟩ Article dans une revue hal-02329268v1
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 Talagrandet 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
Frequency spectrum of the geomagnetic field harmonic coefficients from dynamo simulations Claire Bouligand,Nicolas Gillet,Dominique Jault,Nathanaël Schaeffer,Alexandre Fournieret 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
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
Deciphering records of geomagnetic reversals Jean-Pierre Valet,Alexandre Fournier Reviews of Geophysics, 2016, ⟨10.1002/2015RG000506⟩ Article dans une revue insu-02400962v1
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
International Geomagnetic Reference Field: the 12th generation Erwan Thébault,Christopher C Finlay,Ciarán D Beggan,Patrick Alken,Julien J Aubertet al. Earth Planets and Space, 2015, 67, pp.79. ⟨10.1186/s40623-015-0228-9⟩ Article dans une revue insu-01412375v1
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
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
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
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
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
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
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
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
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
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
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
An Introduction to Data Assimilation and Predictability in Geomagnetism Alexandre Fournier,Gauthier Hulot,Dominique Jault,Weijia Kuang,Andrew Tangbornet al. Space Science Reviews, 2010, 155 (1-4), pp.247-291. ⟨10.1007/S11214-010-9669-4⟩ Article dans une revue istex insu-00565056v1
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
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
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 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 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
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 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

Communication dans un congrès (7)

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 Fournieret 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 Talagrandet 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 Talagrandet 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 Aubertet 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

Poster de conférence (1)

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

Pré-publication, Document de travail (1)

FARMYARD: A Generic GPU-based Pipeline for Feature Discovery from Massive Planetary LiDAR Data Shen Liang,Antoine Lucas,Stephen Porder,Gregory Sainton,Alexandre Fournieret al. 2022 Pré-publication, Document de travail hal-03815740v1

Rapport (1)

Prospective Terre Solide 2021-2025 Bruno Scaillet,Andrea Tommasi,Eric Humler,Stephane Guillot,France Lagroixet al. INSU, CNRS. 2021 Rapport (rapport d’expertise collective) insu-04795791v1