UE Dynamique des fluides géophysiques

Diplômes intégrant cet élément pédagogique :

Descriptif

1. Introduction 

  • 1.1 atmosphere, ocean, mantle, core: the fluid layers of the Earth
  • 1.2 great debates and issues: the origin of plate tectonics, mantle convection, temperatures inside the Earth
  • 1.3 great debates and issues: coupling between climate and tectonics, the origin of the Earth’s magnetic field
  • 1.4 formation and evolution of the Earth

2. Dynamics of rotating fluids / Dynamique des fluides en rotation 

  • 2.1 experimental illustrations at the Coriolis platform (TP)
  • 2.2 geostrophic equilibrium, Ekman layers, Proudman-Taylor theorem
  • 2.3 inertial and Rossby waves
  • 2.4 Taylor-Couette flow, centrifugal and Kelvin-Helmholtz instabilities, elliptic instabilities
  • 2.5 rotating convection, the atmosphere of giant planets

3. Stratified fluids / fluides stratifiés 

  • 3.1 gravity waves, Rayleigh-Taylor instability, mixing in the ocean

4. Magnetohydrodynamics and dynamo / Magnétohydrodynamique et dynamo 

  • 4.1 the magnetic field of the Earth
  • 4.2 MHD and dynamo experiments: the DTS example (visit)
  • 4.3 Alfvén waves, torsional oscillations
  • 4.4 core flows
  • 5.5 Cowling theorem, dynamo mechanisms, reversals
  • 4.6 models of the Earth’s dynamo

5. Dynamical regimes and turbulence / Régimes dynamiques et turbulence 

  • 5.1 tau-ell regime diagrams for planetary cores and their magnetic fields

 

Modalités de contrôle des connaissances

Session 1 ou session unique - Contrôle de connaissances

NatureTypeNature d'évaluationDurée (min)Coeff.
CC Ecrit - devoir maison30%
CT Ecrit - devoir surveillé18070%

Session 2 - Contrôle de connaissances

NatureTypeNature d'évaluationDurée (min)Coeff.
CC Ecrit - devoir maison30%
CT Ecrit ou Oral12070%

Informations complémentaires

Langue(s) : Français