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Fig. 11 | Earth, Planets and Space

Fig. 11

From: Bootstrapping Swarm and observatory data to generate candidates for the DGRF and IGRF-13

Fig. 11

IGRF candidate model. a Gauss coefficients and b the uncertainties given by the 1-σ of their normal distributions. c Gauss coefficient differences between our IGRF candidate and the published IGRF-2020 model. d Power spectrum at the Earth’s surface (blue line referred to the left y-axis) and at the CMB (red line referred to the right y-axis). Differences of the power spectrum between our candidate and the IGRF-2020 model is also given by dashed lines (blue at Earth’s surface and red at CMB)

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