Space · Video

Magnetic D component at the Earth's surface (AE Map) 1590-1990.webm

https://en.wikipedia.org/wiki/Geomagnetic_secular_variation Four centuries of geomagnetic secular variation from historical records Jackson, A., Jonkers, A. R. T. and Walker, M. R. Phil. Trans. Roy. Soc. A (2000) Vol. 358, pp957-990 Some of the data and modelling procedures were also described in the earlier papers: Time-dependent mapping of the magnetic field at the core-mantle boundary Bloxham, J. and Jackson, A. Journal of Geophysical Research Vol. 97, B13, pp.19537-19563 Geomagnetic Secular Variation Bloxham, J., Gubbins, D. and Jackson, A. Phil. Trans. Roy. Soc. A (1989) Vol. 329 pp415-502

♥ 0

Author: Steve Torrence
Attribution: YouTube : Magnetic D component at the Earth's surface (AE Map) 1590-1990 – View/save archived versions on archive.org
License: CC BY 3.0
Source: https://commons.wikimedia.org/wiki/File:Magnetic_D_component_at_the_Earth%27s_surface_(AE_Map)_1590-1990.webm