Articles | Volume 14, issue 2
https://doi.org/10.5194/npg-14-163-2007
© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
https://doi.org/10.5194/npg-14-163-2007
© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
25 Apr 2007
A case for variational geomagnetic data assimilation: insights from a one-dimensional, nonlinear, and sparsely observed MHD system
A. Fournier
Laboratoire de Géophysique Interne et Tectonophysique, Université Joseph-Fourier, BP 53, 38041 Grenoble cedex 9, France
C. Eymin
Laboratoire de Géophysique Interne et Tectonophysique, Université Joseph-Fourier, BP 53, 38041 Grenoble cedex 9, France
T. Alboussière
Laboratoire de Géophysique Interne et Tectonophysique, Université Joseph-Fourier, BP 53, 38041 Grenoble cedex 9, France
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36 citations as recorded by crossref.
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- Assimilation of Deformation Data for Eruption Forecasting: Potentiality Assessment Based on Synthetic Cases M. Bato et al. https://doi.org/10.3389/feart.2017.00048
- Enhanced magnetic fields within a stratified layer C. Hardy et al. https://doi.org/10.1093/gji/ggaa260
- ASSIMILATING DATA INTO AN αΩ DYNAMO MODEL OF THE SUN: A VARIATIONAL APPROACH L. Jouve et al. https://doi.org/10.1088/0004-637X/735/1/31
- Constraining a numerical geodynamo model with 100 years of surface observations W. Kuang et al. https://doi.org/10.1111/j.1365-246X.2009.04376.x
- Challenges Handling Magnetospheric and Ionospheric Signals in Internal Geomagnetic Field Modelling C. Finlay et al. https://doi.org/10.1007/s11214-016-0285-9
- Fast torsional waves and strong magnetic field within the Earth’s core N. Gillet et al. https://doi.org/10.1038/nature09010
- A secular variation candidate for IGRF-14 based on core-flow inversion via an ensemble Kalman smoother K. Gwirtz et al. https://doi.org/10.1186/s40623-025-02289-4
- Ensemble inversion of time‐dependent core flow models N. Gillet et al. https://doi.org/10.1029/2008GC002290
- Forecasting change of the magnetic field using core surface flows and ensemble Kalman filtering C. Beggan & K. Whaler https://doi.org/10.1029/2009GL039927
- An Introduction to Data Assimilation and Predictability in Geomagnetism A. Fournier et al. https://doi.org/10.1007/s11214-010-9669-4
- Implicit particle filtering for models with partial noise, and an application to geomagnetic data assimilation M. Morzfeld & A. Chorin https://doi.org/10.5194/npg-19-365-2012
- IGRF candidate models at times of rapid changes in core field acceleration E. Thébault et al. https://doi.org/10.5047/eps.2010.05.004
- A candidate secular variation model for IGRF-13 based on MHD dynamo simulation and 4DEnVar data assimilation T. Minami et al. https://doi.org/10.1186/s40623-020-01253-8
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- Impact of localization and inflation on geomagnetic data assimilation K. Gwirtz et al. https://doi.org/10.1016/j.pepi.2024.107237
- Continuous data assimilation for the 2D magnetohydrodynamic equations using one component of the velocity and magnetic fields A. Biswas et al. https://doi.org/10.3233/ASY-171454
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- Quasi-geostrophic flows responsible for the secular variation of the Earth's magnetic field M. Pais & D. Jault https://doi.org/10.1111/j.1365-246X.2008.03741.x
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- Modelling decadal secular variation with only magnetic diffusion M. Metman et al. https://doi.org/10.1093/gji/ggz089
- Variational data assimilation for a forced, inertia-free magnetohydrodynamic dynamo model K. Li et al. https://doi.org/10.1093/gji/ggu260
- Quantitative comparison of variational and sequential data assimilation techniques for one-dimensional initial-value problems of ideal MHD J. Arnal & C. Groth https://doi.org/10.1016/j.compfluid.2024.106373
- A testbed for geomagnetic data assimilation K. Gwirtz et al. https://doi.org/10.1093/gji/ggab327
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