Open AccessOn shear wave velocity in the top of the Earth’s inner core
Author(s) -
Dmitry Krasnoshchekov,
V. M. Ovtchinnikov,
О. М. Усольцева
Publication year - 2019
Publication title -
doklady akademii nauk. rossijskaâ akademiâ nauk
Language(s) - English
Resource type - Journals
ISSN - 0869-5652
DOI - 10.31857/s0869-56524884434-438
Subject(s) - inner core , core (optical fiber) , shear (geology) , geology , earth (classical element) , shear velocity , earth model , physics , boundary (topology) , wave velocity , surface wave , geophysics , mechanics , geodesy , optics , mathematics , mathematical analysis , petrology , turbulence , mathematical physics
Analysis of PKIIKP waves reflected off the inner surface of the solid core boundary and recorded close to the antipode indicates the shear wave velocity in its top can be by 10-60% below 3.5 km/s envisaged by standard models of the Earth.