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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Comparison of global geomagnetic field models and evaluation using marine datasets in the north-eastern Atlantic Ocean and western Mediterranean Sea

Fig. 3

Map of differences in intensity values of the internal (INT) field estimated from WMM2015 (a), CM4 (b), HDGM2016 (c), COV-OBS.x1 (d) and IGRF-12 (reference) models up to SH degrees 12 and 13, at a global scale reduced by 30° in latitude and 20° in longitude (left, grid spacing: 1°) and for the NEAWM area (right, grid spacing: 0.5°)

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