On shear wave velocity in the top of the Earth’s inner core

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Abstract

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.

About the authors

D. N. Krasnoshchekov

Institute of Geosphere Dynamics of the Russian Academy of Sciences

Author for correspondence.
Email: krasnd@idg.chph.ras.ru
Russian Federation, 38/1, Acad. Zelinskiy str., Moscow, 119334

V. M. Ovtchinnikov

Institute of Geosphere Dynamics of the Russian Academy of Sciences

Email: krasnd@idg.chph.ras.ru
Russian Federation, 38/1, Acad. Zelinskiy str., Moscow, 119334

O. A. Usoltseva

Institute of Geosphere Dynamics of the Russian Academy of Sciences

Email: krasnd@idg.chph.ras.ru
Russian Federation, 38/1, Acad. Zelinskiy str., Moscow, 119334

References

  1. Cormier V. // Geoph. Res.Lett. 2015. V. 42. № 18. P. 7459-7466.
  2. Attanayake J., Thomas C., Cormier V., Miller M., Koper K. // Geochem. Geophys. Geosyst. 2018. V. 19. № 10. P. 3607-3622.
  3. Usoltseva O., Ovtchinnikov V. // Proc.11th Int. School and Conf. “Problems of Geocosmos”. St. Peterburg, 2016. P. 133-139.
  4. Niu F., Chen Q-F. // Nat. Geosci. 2008. V. 1. P. 692-696.
  5. Schimmel M., Paulssen H. // Geophys. J. Int. 1997. V. 130. P. 497-505.
  6. Butler R., Tsuboi S. // Geophys. Res. Lett. 2010. V. 37. № 11. L11301. doi: 10.1029/2010GL042908
  7. Blandford R. // Geophysics. 1974. V. 39. № 5. P. 633-643.
  8. Nissen-Meyer T., van Driel M., Stähler S., Hosseini K., Hempel S., Auer L., Colombi A., Fournier A. // Solid Earth. 2014. V. 5. P. 425-445.
  9. Krasnoshchekov D., Kaazik P., Ovtchinnikov V. // Nature. 2005. V. 435. P. 483-487.
  10. Воеводин Вл.В., Жуматий С.А., Соболев С.И., Антонов А.С., Брызгалов П.А., Никитенко Д.А., Стефанов К.С., Воеводин Вад.В. // Открытые системы. СУБД 2012. №7. С. 36-39.

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