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Earth, Planets and Space
Fig. 4 | Earth, Planets and Space

Fig. 4

From: High-resolution three-dimensional azimuthal velocity anisotropy of S-waves in southern-central Japan, based on ambient noise tomography

Fig. 4

Checkerboard resolution test results for the central part of the Kinki region (Fig. 1c): a 0.21° by 0.21° horizontal anomaly sizes of the isotropic velocity checkerboard input model, b anisotropic input model of anomaly size 0.21° by 0.21° and fast polarization axes that are oriented perpendicular to each other (north and east), c and e are the recovered isotropic velocity models at 3.2 and 5.8 km depth slices, respectively. The color bar (in percent) represents the isotropic velocity perturbation with respect to the reference velocity model, d and f show the recovered models at 3.2 and 5.8 km depth levels, respectively, recovered from inversion of the input anisotropy model in b

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