Alexandre Fournier

71
Documents

Publications

Publications

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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-04727530 v1
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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-03673292 v1
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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-03623383 v1
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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-03719369 v1
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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-03748536 v1
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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-03142036 v1
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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-03437412 v1
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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 Livermore
Journal of Archaeological Science, 2021, 132, pp.105430. ⟨10.1016/j.jas.2021.105430⟩
Article dans une revue hal-03436220 v1
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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-03454154 v1
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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-03141089 v1
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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-03590073 v1
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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-04033776 v1
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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-03424106 v1
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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-03444542 v1
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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-03284542 v1
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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-03385990 v1
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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-02878730 v1
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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-02878663 v1
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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-03028425 v1
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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-03748813 v1
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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-02129936 v1
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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-03028885 v1
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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-02358980 v1
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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-02303785 v1
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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-03748879 v1
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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-02918361 v1

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-02329268 v1
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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-01422187 v3
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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-02127665 v1
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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-01451189 v1
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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-01864279 v1
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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-02400962 v1

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-03581676 v1
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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-01862970 v1
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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-03634043 v1
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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-01412375 v1
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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-02134305 v1
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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-01355793 v1

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-03581096 v1
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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-03581150 v1

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-03581131 v1

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-02918976 v1
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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-02919123 v1
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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-02134326 v1
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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-01411576 v1

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-03581783 v1
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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-01410184 v1
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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-03606442 v1
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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-01308359 v1

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-00545040 v1

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-00565056 v1
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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-00455441 v1
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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-00354179 v1

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-00346071 v1

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-00346226 v1
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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-00331098 v1
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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-00199693 v1
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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-00145920 v1
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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-00347499 v1

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-00109462 v1
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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-03600288 v1

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-03587745 v1

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-03587757 v1

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-03962382 v1

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-03584813 v1

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-03589340 v1
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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-01982982 v1

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-00588840 v1