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Progress in Earth and Planetary Science
Fig. 11 | Progress in Earth and Planetary Science

Fig. 11

From: Complex inner core boundary from frequency characteristics of the reflection coefficients of PKiKP waves observed by Hi-net

Fig. 11

Results of numerical simulations for a liquid thin layer above the ICB. Maximum amplitudes of the reflected waves measured on seismograms filtered around 1 and 2 Hz as a function of increasing angular distance at the ICB. Synthetic seismograms are calculated by including a heavy liquid layer (Vp = 9.6 km/s, ρ = 12.5 g/cm3) overlying the ICB with varying thicknesses: a 0, 1000, 3000, and 5000 m and b 100, 250, 500, and 750 m. c Spectral ratios for the 1000 m-thick heavy liquid layer for incidence angles of 10°, 20°, and 30°

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