Geomagnetic data

Movie of the time-evolution (from 1840 to 2020) of Br at the surface of the Earth’s core, built from COV-OBS.x1 model (Gillet et al, 2015), using the webgeodyn platform. Aitoff map projection.

Time-evolution of the magnetic field at the CMB

Archeomagnetism: movie of the time-evolution (from 1200BC to 2020AD) of Br at the surface of the Earth’s core, built from COV-ARCH model (Hellio and Gillet, 2018), using the webgeodyn platform. Aitoff map projection.

Archeomagnetism: magnetic field at the CMB from 1200BC to 2000AD

Movie of the time-evolution (from 1880 to 2015) of flow in the Earth’s core, built from Gillet_gnm_2019 model (Gillet et al, 2019), using the webgeodyn platform. Orthographic map projection (northern hemisphere).

Time evolution of flow in the Earth’s core