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

Tanaka, Satoru; Tkalcic, Hrvoje


Frequency-dependent reflection coefficients of P waves at the inner core boundary (ICB) are estimated from the spectral ratios of PKiKP and PcP waves observed by the high-sensitivity seismograph network (Hi-net) in Japan. The corresponding PKiKP reflection locations at the ICB are distributed beneath the western Pacific. At frequencies where noise levels are sufficiently low, spectra of reflection coefficients show four distinct sets of characteristics: a flat spectrum, a spectrum with a...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Progress in Earth and Planetary Science
DOI: 10.1186/s40645-015-0064-3
Access Rights: Open Access


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