Here we present two obviously harmonic components (i.e., 6-year and ~8.6-year terms) existing in observed LOD data on the intradecadal scales, where the 8.6-year signal shows an increasing trend in time domain, which is first found to closely associate with geomagnetic jerks.
← all excerpts
Intradecadal variations in length of day and their correspondence with geomagnetic jerks.
1
—
—