Julien AUBERT

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Publications

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Rapid geomagnetic variations and stable stratification at the top of Earth's core

Julien Aubert

Physics of the Earth and Planetary Interiors, 2025, 362, pp.107335. ⟨10.1016/j.pepi.2025.107335⟩

Article dans une revue hal-04997794v1
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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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The Influence of Rotation on the Preservation of Heterogeneities in Magma Oceans

B. Thomas , H. Samuel , C. G. Farnetani , J. Aubert , C. Chauvel

Geochemistry, Geophysics, Geosystems, 2024, 25, pp.2024GC011891. ⟨10.1029/2024GC011891⟩

Article dans une revue insu-05081554v1
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Mixing time of heterogeneities in a buoyancy-dominated magma ocean

B. Thomas , H. Samuel , C. G. Farnetani , J. Aubert , C. Chauvel

Geophysical Journal International, 2024, 236, pp.764-777. ⟨10.1093/gji/ggad452⟩

Article dans une revue insu-04462202v1
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Waves in Earth's core and geomagnetic field forecast

Nicolas Gillet , F. Dall'Asta , Pierre-Olivier Amblard , Romain Claveau , Julien Aubert

Physics of the Earth and Planetary Interiors, 2024, 357, pp.107284. ⟨10.1016/j.pepi.2024.107284⟩

Article dans une revue hal-04938185v1
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Mixing time of heterogeneities in a buoyancy-dominated magma ocean

B Thomas , H Samuel , C G Farnetani , J Aubert , C Chauvel

Geophysical Journal International, 2024, 236 (2), pp.764-777. ⟨10.1093/gji/ggad452⟩

Article dans une revue hal-04737219v1
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Characterization of hydromagnetic waves propagating over a steady, non-axisymmetric background magnetic field

Olivier Barrois , Julien Aubert

Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2024, 480 (2300), ⟨10.1098/rspa.2024.0067⟩

Article dans une revue hal-04751618v1
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Mixing time of heterogeneities in a buoyancy-dominated magma ocean

B Thomas , Henri Samuel , C Farnetani , J Aubert , C Chauvel

Geophysical Journal International, 2024, 236 (2), pp.764-777. ⟨10.1093/gji/ggad452⟩

Article dans une revue insu-04734094v1
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Gyres, jets and waves in the Earth’s core

Christopher Finlay , Nicolas Gillet , Julien Aubert , Philip Livermore , Dominique Jault

Nature Reviews Earth & Environment, 2023, 4, pp.377-392. ⟨10.1038/s43017-023-00425-w⟩

Article dans une revue hal-04105603v1
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State and evolution of the geodynamo from numerical models reaching the physical conditions of Earth’s core

Julien Aubert

Geophysical Journal International, 2023, 235 (1), pp.468-487. ⟨10.1093/gji/ggad229⟩

Article dans une revue hal-04152303v1
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Radial shear in the flow at the Earth’s core surface

I Firsov , Dominique Jault , N Gillet , J Aubert , M Mandea

Geophysical Journal International, 2023, 235 (3), pp.2524-2539. ⟨10.1093/gji/ggad376⟩

Article dans une revue hal-04249853v1
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Satellite magnetic data reveal interannual waves in Earth's core

Nicolas Gillet , Felix Gerick , Dominique Jault , Tobias Schwaiger , Julien Aubert et al.

Proceedings of the National Academy of Sciences of the United States of America, 2022, 119 (13), ⟨10.1073/pnas.2115258119⟩

Article dans une revue hal-03718911v1
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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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The interplay of fast waves and slow convection in geodynamo simulations nearing Earth's core conditions

Julien Aubert , Nicolas Gillet

Geophysical Journal International, 2021, 225, pp.1854-1873. ⟨10.1093/gji/ggab054⟩

Article dans une revue hal-03140102v1
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Dynamo constraints on the long-term evolution of Earth's magnetic field strength

Christopher J. Davies , Richard K. Bono , Domenico G. Meduri , Julien Aubert , Samuel Greenwood et al.

Geophysical Journal International, 2021, pp.2355-2377. ⟨10.1093/gji/ggab342⟩

Article dans une revue insu-03590027v1
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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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Relating force balances and flow length scales in geodynamo simulations

T Schwaiger , T Gastine , J Aubert

Geophysical Journal International, 2021, 224 (3), pp.1890-1904. ⟨10.1093/gji/ggaa545⟩

Article dans une revue hal-03357310v1
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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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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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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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Recent geomagnetic variations and the force balance in Earth’s core

Julien Aubert

Geophysical Journal International, 2020, 221 (1), pp.378-393. ⟨10.1093/gji/ggaa007⟩

Article dans une revue hal-02491735v1
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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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A reduced stochastic model of core surface dynamics based on geodynamo simulations

Nicolas Gillet , Loic Huder , Julien Aubert

Geophysical Journal International, 2019, 219 (1), pp.522-539. ⟨10.1093/gji/ggz313⟩

Article dans une revue hal-02191420v1
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Force balance in numerical geodynamo simulations: a systematic study

T Schwaiger , T. Gastine , J Aubert

Geophysical Journal International, 2019, 219 (Supplement_1), pp.S101-S114. ⟨10.1093/gji/ggz192⟩

Article dans une revue hal-02278469v1
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Approaching Earth's core conditions in high-resolution geodynamo simulations

Julien Aubert

Geophysical Journal International, 2019, 219, pp.S137-S151. ⟨10.1093/gji/ggz232⟩

Article dans une revue insu-03586610v1
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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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Geomagnetic jerks and rapid hydromagnetic waves focusing at Earth's core surface

Julien Aubert , Christopher C Finlay

Nature Geoscience, 2019, 12 (5), pp.393-398. ⟨10.1038/s41561-019-0355-1⟩

Article dans une revue hal-02129842v1
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Magnesium Partitioning Between Earth's Mantle and Core and its Potential to Drive an Early Exsolution Geodynamo

James Badro , Julien Aubert , Kei Hirose , Ryuichi Nomura , Ingrid Blanchard et al.

Geophysical Research Letters, 2018, 45 (24), pp.13,240-13,248. ⟨10.1029/2018GL080405⟩

Article dans une revue hal-02129830v1
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Geomagnetic acceleration and rapid hydromagnetic wave dynamics in advanced numerical simulations of the geodynamo

Julien Aubert

Geophysical Journal International, 2018, 214 (1), pp.531-547. ⟨10.1093/gji/ggy161⟩

Article dans une revue insu-02918321v1
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Contributions to the geomagnetic secular variation from a reanalysis of core surface dynamics

O. Barrois , N. Gillet , J. Aubert

Geophysical Journal International, 2017, 211, pp.50-68. ⟨10.1093/gji/ggx280⟩

Article dans une revue insu-03748837v1
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The signature of inner-core nucleation on the geodynamo

Maylis Landeau , Julien Aubert , Peter Olson

Earth and Planetary Science Letters, 2017, 465, pp.193-204. ⟨10.1016/j.epsl.2017.02.004⟩

Article dans une revue insu-02918346v1
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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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Performance benchmarks for a next generation numerical dynamo model

Hiroaki Matsui , Eric M. Heien , Julien Aubert , Jonathan Aurnou , Margaret Avery et al.

Geochemistry, Geophysics, Geosystems, 2016, 17 (5), pp.1586-1607. ⟨10.1002/2015GC006159⟩

Article dans une revue insu-01857606v1
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Gyre-driven decay of the Earth's magnetic dipole

Christopher C Finlay , Julien Aubert , Nicolas Gillet

Nature Communications, 2016, 7, pp.10422. ⟨10.1038/ncomms10422⟩

Article dans une revue insu-01308357v1

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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Scaling regimes in spherical shell rotating convection

Thomas Gastine , Johannes Wicht , Julien Aubert

Journal of Fluid Mechanics, 2016, 808, pp.690-732. ⟨10.1017/jfm.2016.659⟩

Article dans une revue hal-02125137v1
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Geomagnetic forecasts driven by thermal wind dynamics in the Earth's core

J Aubert

Geophysical Journal International, 2015, 203 (3), pp.1738-1751. ⟨10.1093/gji/ggv394⟩

Article dans une revue insu-01308305v1

Ancient planetary dynamos, take two

J. Aubert

Science, 2015, 349 (6247), pp.475-476. ⟨10.1126/science.aac6224⟩

Article dans une revue insu-02918871v1
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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

A long-lived lunar dynamo powered by core crystallization

M. Laneuville , D. Breuer , J. Aubert , Guillaume Morard , T. Rückriemen et al.

Earth and Planetary Science Letters, 2014, 401, pp.251-260. ⟨10.1016/j.epsl.2014.05.057⟩

Article dans une revue istex hal-01054548v1
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Earth's core internal dynamics 1840–2010 imaged by inverse geodynamo modelling

Julien Aubert

Geophysical Journal International, 2014, 197 (3), ⟨10.1093/gji/ggu064⟩

Article dans une revue insu-01308284v1
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Erratum to: Earth's core internal dynamics 1840-2010 imaged by inverse geodynamo modelling

Julien Aubert

Geophysical Journal International, 2014, pp.1683-1683. ⟨10.1093/gji/ggu235⟩

Article dans une revue insu-03581104v1
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Full sphere hydrodynamic and dynamo benchmarks

P. Marti , N. Schaeffer , R. Hollerbach , D. Cébron , C. Nore et al.

Geophysical Journal International, 2014, 197, pp.119-134. ⟨10.1093/gji/ggt518⟩

Article dans une revue insu-03581136v1

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

Erratum to “Equatorially asymmetric convection inducing a hemispherical magnetic field in rotating spheres and implications for the past martian dynamo”

Maylis Landeau , Julien Aubert

Physics of the Earth and Planetary Interiors, 2013, 215, pp.58. ⟨10.1016/j.pepi.2012.12.001⟩

Article dans une revue insu-02919156v1
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Flow throughout the Earth's core inverted from geomagnetic observations and numerical dynamo models

Julien Aubert

Geophysical Journal International, 2013, 192 (2), pp.537-556. ⟨10.1093/gji/ggs051⟩

Article dans une revue insu-02134588v1

Possible links between long-term geomagnetic variations and whole-mantle convection processes

A. J. Biggin , B. Steinberger , J. Aubert , N. Suttie , R. Holme et al.

Nature Geoscience, 2012, 5, pp.526-533. ⟨10.1038/ngeo1521⟩

Article dans une revue insu-03583337v1
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Earth's dynamo limit of predictability controlled by magnetic dissipation

Florian Lhuillier , Julien Aubert , Gauthier Hulot

Geophysical Journal International, 2011, 186 (2), pp.492-508. ⟨10.1111/j.1365-246X.2011.05081.x⟩

Article dans une revue insu-01410155v1
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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
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The time‐dependence of intense archeomagnetic flux patches

Hagay Amit , Monika Korte , Julien Aubert , Catherine Constable , Gauthier Hulot

Journal of Geophysical Research : Solid Earth, 2011, ⟨10.1029/2011JB008538⟩

Article dans une revue insu-01308272v1
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Equatorially asymmetric convection inducing a hemispherical magnetic _eld in rotating spheres and implications for the past martian dynamo

Maylis Landeau , Julien Aubert

Physics of the Earth and Planetary Interiors, 2011, 185 (3-4), pp.61. ⟨10.1016/j.pepi.2011.01.004⟩

Article dans une revue hal-00735849v1

End-member models of boundary-modulated convective dynamos

Jonathan Aurnou , Julien Aubert

Physics of the Earth and Planetary Interiors, 2011, 187 (3-4), pp.353-363. ⟨10.1016/j.pepi.2011.05.011⟩

Article dans une revue insu-02919160v1
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Stationary, oscillating or drifting mantle‐driven geomagnetic flux patches?

Hagay Amit , Julien Aubert , Gauthier Hulot

Journal of Geophysical Research : Solid Earth, 2010, ⟨10.1029/2009JB006542⟩

Article dans une revue insu-01288690v1
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Steady and fluctuating inner core rotation in numerical geodynamo models

Julien Aubert , Mathieu Dumberry

Geophysical Journal International, 2010, 184 (1), pp.162-170. ⟨10.1111/j.1365-246X.2010.04842.x⟩

Article dans une revue insu-01308309v1

Observations and Models of the Long-Term Evolution of Earth’s Magnetic Field

Julien Aubert , John Tarduno , Catherine Johnson

Space Science Reviews, 2010, 155 (1-4), pp.337-370. ⟨10.1007/s11214-010-9684-5⟩

Article dans une revue istex insu-02919174v1

Conditions for Earth-like geodynamo models

Ulrich R. Christensen , Julien Auber , Gauthier Hulot

Earth and Planetary Science Letters, 2010, 296 (3-4), pp.487-496. ⟨10.1016/j.epsl.2010.06.009⟩

Article dans une revue istex hal-00540375v1
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Earth's dynamo limit of predictability

G Hulot , F Lhuillier , J Aubert

Geophysical Research Letters, 2010, 37 (6), pp.L06305. ⟨10.1029/2009GL041869⟩

Article dans une revue insu-01409020v1

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
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Modelling the palaeo-evolution of the geodynamo

Julien Aubert , Stéphane Labrosse , Charles Poitou

Geophysical Journal International, 2009, 179 (3), pp.1414-1428. ⟨10.1111/j.1365-246X.2009.04361.x⟩

Article dans une revue insu-01308294v1

Erratum to “A numerical dynamo benchmark” [Phys. Earth Planet. Int. 128 (1–4) (2001) 25–34]

U.R. Christensen , J. Aubert , Philippe Cardin , E. Dormy , S. Gibbons et al.

Physics of the Earth and Planetary Interiors, 2009, 172 (3-4), pp.356-356. ⟨10.1016/j.pepi.2008.09.014⟩

Article dans une revue istex insu-00447063v1
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A simple model for mantle-driven flow at the top of Earth’s core

Hagay Amit , Julien Aubert , Gauthier Hulot , Peter Olson

Earth Planets and Space, 2008, 60, ⟨10.1186/BF03352836⟩

Article dans une revue insu-01308259v1

Thermochemical flows couple the Earth's inner core growth to mantle heterogeneity.

Aubert Julien , Amit Hagay , Hulot Gauthier , Olson Peter

Nature, 2008, 454 (7205), pp.758-780. ⟨10.1038/nature07109⟩

Article dans une revue istex hal-00365045v1
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The magnetic structure of convection-driven numerical dynamos

Julien Aubert , Jonathan Aurnou , Johannes Wicht

Geophysical Journal International, 2008, 172 (3), pp.945-956. ⟨10.1111/j.1365-246X.2007.03693.x⟩

Article dans une revue hal-00365069v1

Detecting thermal boundary control in surface flows from numerical dynamos

Julien Aubert , Hagay Amit , Gauthier Hulot

Physics of the Earth and Planetary Interiors, 2007, 160 (2), pp.143-156

Article dans une revue hal-00144095v1
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Scaling properties of convection-driven dynamos in rotating spherical shells and application to planetary magnetic fields

U.R. Christensen , Julien Aubert

Geophysical Journal International, 2006, 166 (1), pp.97-114. ⟨10.1111/j.1365-246X.2006.03009.x⟩

Article dans une revue hal-00149194v1

Axial versus equatorial dipolar dynamo models with implications for planetary magnetic fields

Julien Aubert , Johannnes Wicht

Earth and Planetary Science Letters, 2004, 221, pp.409-419. ⟨10.1016/S0012-821X(04)00102-5⟩

Article dans une revue istex hal-00204634v1
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Quasigeostrophic models of convection in rotating sperical shells.

J. Aubert , N. Gillet , Philippe Cardin

Geochemistry, Geophysics, Geosystems, 2003, 4, pp.1052. ⟨10.1029/2002GC000456⟩

Article dans une revue hal-00107942v1

A numerical dynamo benchmark

U. R. Christensen , J. Aubert , P. Cardin , E. Dormy , S. Gibbons et al.

Physics of the Earth and Planetary Interiors, 2001, 128, pp.25-34. ⟨10.1016/S0031-9201(01)00275-8⟩

Article dans une revue istex insu-03606657v1

A systematic experimental study of rapidly rotating spherical convection in water and liquid gallium

Julien Aubert , Daniel Brito , Henri-Claude Nataf , Philippe Cardin , Jean-Paul Masson

Physics of the Earth and Planetary Interiors, 2001, 128, pp.51-74. ⟨10.1016/S0031-9201(01)00277-1⟩

Article dans une revue istex insu-03606656v1
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Rapport de conjoncture 2024 - Section 18 du CoNRS (mandat 2021-2025)

Elia d'Acremont , Pierre-Yves Arnould , Julien Aubert , Laurence Audin , Sara Bazin et al.

rapport préliminaire à valider par le CNRS, CNRS. 2024

Rapport (rapport d’expertise collective) hal-04630442v2
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Modèles expérimentaux et numériques de la convection dans le noyau de la Terre.

Julien Aubert

Géophysique [physics.geo-ph]. Université Joseph-Fourier - Grenoble I, 2001. Français. ⟨NNT : ⟩

Thèse tel-00683861v2