Improving Earth’s Magnetic Field Measurements by Numerical Corrections of Thermal Drifts and Man-Made Disturbances

Figure 10

The original data (black), the fitted curve (blue), and the resulting cleaned-up data (red) for the NS-y (a), EW-x (b), and vertical-z component (c) of the magnetic field, respectively. The car passage occurs at  s. Fitted values were  m,  m⋅s⁻¹,  m, m = [7, 23.6, 43.5] A⋅m².

(a)

(b)

(c)