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

Fig. 3

From: Tippers at island geomagnetic observatories constrain electrical conductivity of oceanic lithosphere and upper mantle

Fig. 3

Short title: Bathymetry with response functions Detailed legend: The bathymetry (GEBCO30) for the GAN (a) and TDC (b) observatories is shown for the area used for numerical modeling, and the location of the observatories is indicated by a red diamond in the inlets. Please note that the Addu Atoll is barely above sea level, and green points mark these regions whereas the black line also includes regions down to 30 m below sea level. In the lower panels, the observed induction arrows, tippers, and coherencies are shown for the GAN (c) and TDC (d) observatories. As expected, the real (blue) induction arrows point toward the more resistive islands

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