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Fig. 2 | Earth, Planets and Space

Fig. 2

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

Fig. 2

Marine datasets used in the study. a Map showing the areas of interest selected for statistics with models (see Table 3). b Summary diagram showing selected datasets sorted by acquisition year (in abscissa). The data precision estimated by differences at crossover points is indicated in ordinate. The precision of the datasets marked with a star is undetermined (mainly due to a lack of crossover points), but estimated to be lower than 30 nT

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