692 citations
- Centre National de la Recherche ScientifiqueFR283 papers
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- Sorbonne UniversitéFR94 papers
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- Institut de Planétologie et d'Astrophysique de GrenobleFR59 papers
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6 papers · 2 filters
Strong-Field Spherical Dynamos
Emmanuel Dormy
Numerical models of the geodynamo are usually classified in two categories: those denominated dipolar modes, observed when the inertial term is small enough, and multipolar fluctua…
Joint inversion of muon tomography and gravimetry - a resolving kernel approach
Kevin Jourde, Dominique Gibert, Jacques Marteau
Both muon tomography and gravimetry are geophysical methods that provide information on the density structure of the Earth's subsurface. Muon tomography measures the natural flux o…
A new probabilistic shift away from seismic hazard reality in Italy?
Anastasia Nekrasova, Antonella Peresan, Volodya Kossobokov +1
Objective testing is a key issue in the process of revision and improvement of seismic hazard assessments. Therefore we continue the rigorous comparative analysis of past and newly…
Hydromagnetic quasi-geostrophic modes in rapidly rotating planetary cores
Elisabeth Canet, Chris Finlay, Alexandre Fournier
The core of a terrestrial-type planet consists of a spherical shell of rapidly rotating, electrically conducting, fluid. Such a body supports two distinct classes of quasi-geostrop…
Transition between viscous dipolar and inertial multipolar dynamos
Ludivine Oruba, Emmanuel Dormy
We investigate the transition from steady dipolar to reversing multipolar dynamos. The Earth has been argued to lie close to this transition, which could offer a scenario for geoma…
Turbulent metal-silicate mixing, fragmentation, and equilibration in magma oceans
Renaud Deguen, Maylis Landeau, Peter Olson
Much of the Earth was built by high-energy impacts of planetesimals and embryos, many of these impactors already differentiated, with metallic cores of their own. Geochemical data…