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Equatorial symmetry breaking and the loss of dipolarity in rapidly rotating dynamos

Autor
Ferrán, G.; Oruba, L.; Dormy, E.
Tipus d'activitat
Article en revista
Revista
Geophysical and astrophysical fluid dynamics
Data de publicació
2017-07-11
Pàgina inicial
1
Pàgina final
14
DOI
https://doi.org/10.1080/03091929.2017.1347785 Obrir en finestra nova
URL
http://www.tandfonline.com/doi/abs/10.1080/03091929.2017.1347785 Obrir en finestra nova
Resum
Numerical studies of convection driven dynamos in rotating spherical shells exhibit a transition from steady dipolar to reversing multipolar dynamos as the forcing is increased. The dipolar-multipolar transition has so far been characterized using purely hydrodynamic parameters (Christensen and Aubert, Geophys. J. Int. 2006, 166, 97–114, Soderlund et al., Earth Planet. Sci. Lett. 2012, 333–334, 9–20, Oruba and Dormy, Geophys. Res. Lett. 2014, 41, 7115–7120). Motivated by these earlier de...
Paraules clau
Thermal convection, convection driven dynamos, dipolar-multipolar transition, rotating spherical shells, symmetry breaking

Participants

  • García, Ferran  (autor)
  • Oruba, Ludivine  (autor)
  • Dormy, Emmanuel  (autor)