On shear wave velocity in the top of the Earth’s inner core
- Authors: Krasnoshchekov D.N.1, Ovtchinnikov V.M.1, Usoltseva O.A.1
-
Affiliations:
- Institute of Geosphere Dynamics of the Russian Academy of Sciences
- Issue: Vol 488, No 4 (2019)
- Pages: 434-438
- Section: Geophysics
- URL: https://journals.eco-vector.com/0869-5652/article/view/17691
- DOI: https://doi.org/10.31857/S0869-56524884434-438
- ID: 17691
Cite item
Full Text
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
- Cormier V. // Geoph. Res.Lett. 2015. V. 42. № 18. P. 7459-7466.
- Attanayake J., Thomas C., Cormier V., Miller M., Koper K. // Geochem. Geophys. Geosyst. 2018. V. 19. № 10. P. 3607-3622.
- Usoltseva O., Ovtchinnikov V. // Proc.11th Int. School and Conf. “Problems of Geocosmos”. St. Peterburg, 2016. P. 133-139.
- Niu F., Chen Q-F. // Nat. Geosci. 2008. V. 1. P. 692-696.
- Schimmel M., Paulssen H. // Geophys. J. Int. 1997. V. 130. P. 497-505.
- Butler R., Tsuboi S. // Geophys. Res. Lett. 2010. V. 37. № 11. L11301. doi: 10.1029/2010GL042908
- Blandford R. // Geophysics. 1974. V. 39. № 5. P. 633-643.
- 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.
- Krasnoshchekov D., Kaazik P., Ovtchinnikov V. // Nature. 2005. V. 435. P. 483-487.
- 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.