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Earth, Planets and Space
Fig. 19 | Earth, Planets and Space

Fig. 19

From: Effects of surface topography and subsurface structural irregularities of river embankments on Rayleigh wave propagation

Fig. 19

Comparison of amplitude ratios of surface velocities at a distance of 30 m. a model AP1 and (b) model AP2. Amplitudes are normalized by the synthetic waves calculated with the 16-order FD scheme and N = 30. Plotted points represent FD approximations of the spatial difference. N is the number of grid points per shortest wavelength

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