On the inner-outer core density contrast from PKiKP/PcP amplitude ratios and uncertainties caused by seismic noise
Tkalcic, Hrvoje; Kennett, Brian; Cormier, Vernon F
The inner core boundary (ICB) of the earth is characterized by a discontinuous change in elastic properties between the liquid outer and solid inner core. In the ray theory approximation, a measure of the density contrast at the ICB is given by the amplitude ratio of P waves reflected from the core-mantle boundary (CMB; PcP waves) and the ICB (PKiKP waves), since that ratio conveniently appears in an explicit form in the transmission/reflection coefficient equations. The results for inner-outer...[Show more]
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|Source:||Geophysical Journal International|
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