Table 1 Number N of data points, Huber weighted RMS misfit and mean for the scalar F, the scalar gradient δF, the radial component B r, and its gradient δB r at polar latitudes (>|±52°|) and nonpolar latitudes (<|±52°|)
From: A Swarm lithospheric magnetic field model to SH degree 80
Data type | N | RMS (nT) | Mean (nT) |
|---|---|---|---|
F polar | 776,238 | 2.88 | −0.04 |
δF polar | 181,222 | 0.85 | 0.05 |
B r,polar | 755,198 | 3.02 | 0.02 |
δB r,polar | 299,875 | 1.34 | −0.06 |
F nonpolar | 928,123 | 0.71 | −0.01 |
δF nonpolar | 305,153 | 0.33 | 0.05 |
B r,nonpolar | 973,322 | 0.97 | −0.01 |
δB nonpolar | 182,749 | 0.65 | 0.01 |