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Earth, Planets and Space
Fig. 8 | Earth, Planets and Space

Fig. 8

From: Modeling geomagnetic spikes: the Levantine Iron Age anomaly

Fig. 8

a–c Secular variation of the geomagnetic intensity for the two first millennia BC reconstructed by the model SHA.DIF.14k (black), SHAWQ-Iron Age (red) and the new perturbed-model (blue) with a 95% confidence uncertainty interval. Yellow stars in the central map show the coordinates where the secular variation is plotted. In dots we plot the relocated archeomagnetic in a circle of 1000 km (orange for Q data and green for no-Q data)

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