EarthRef.org Digital Archive (ERDA) -- Composite characteristics of magnetic field models CALS10k.2 and HFM.OL1.A1

Description
This contribution contains two animations with composite views of several characteristics of the global paleomagnetic field models CALS10k.2 and HFM.OL1.A1 over the time from 8000 BCE to 1950 CE. This is an addition to Constable et al., 2016. Each animation shows from top left to bottom right:
- A map of magnetic field intensity at Earth's surface in microTesla;
- A map of radial field (B_r) downward continued to the core-mantle boundary (CMB) in microTesla;
- Three boxes with the following time series: dipole moment (DM, top); dipole (D) and (large-scale, according to spatial model resolution) non-dipole (ND) power at the CMB (middle); quadrupole (Q) and octupole (O) power at the CMB (bottom); The red bar indicates the current time slice, which is also indicated in the top right of the screen.
- The geomagnetic power spectrum at the CMB;
- Polar plots of the radial field at the CMB (same color scale as global map) for northern and southern hemisphere with the tangent cylinder marked by the black circle.