Consistent Intradecadal/Interdecadal Oscillations in the Surface Geomagnetic Observations and in the $\Delta$LOD: New Findings and Unresolved Problems

Hao Ding

Surface geomagnetic observations and length of day variations (dLOD) have played an important role in interpreting the long-period motions of the Earth's core. Focusing on the 5-30…