Crustal and upper mantle structure of Siberia from teleseismic receiver functions

Research output: Contribution to journalConference abstract in journalpeer-review

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Crustal and upper mantle structure of Siberia from teleseismic receiver functions. / Soliman, Mohammad Youssof Ahmad; Thybo, Hans; Artemieva, Irina; Vinnik, Lev; Oreshin, Sergey.

In: Geophysical Research Abstracts, Vol. 17, 6035, 04.2015.

Research output: Contribution to journalConference abstract in journalpeer-review

Harvard

Soliman, MYA, Thybo, H, Artemieva, I, Vinnik, L & Oreshin, S 2015, 'Crustal and upper mantle structure of Siberia from teleseismic receiver functions', Geophysical Research Abstracts, vol. 17, 6035.

APA

Soliman, M. Y. A., Thybo, H., Artemieva, I., Vinnik, L., & Oreshin, S. (2015). Crustal and upper mantle structure of Siberia from teleseismic receiver functions. Geophysical Research Abstracts, 17, [6035].

Vancouver

Soliman MYA, Thybo H, Artemieva I, Vinnik L, Oreshin S. Crustal and upper mantle structure of Siberia from teleseismic receiver functions. Geophysical Research Abstracts. 2015 Apr;17. 6035.

Author

Soliman, Mohammad Youssof Ahmad ; Thybo, Hans ; Artemieva, Irina ; Vinnik, Lev ; Oreshin, Sergey. / Crustal and upper mantle structure of Siberia from teleseismic receiver functions. In: Geophysical Research Abstracts. 2015 ; Vol. 17.

Bibtex

@article{0fc36248348942d3933fe84580e8e49f,
title = "Crustal and upper mantle structure of Siberia from teleseismic receiver functions",
abstract = "This study presents seismic images of the crustal and lithospheric structure in Siberia based on the available broadband seismic data using teleseismic receiver functions (RFs). We invert P- and S-RFs jointly. The inversion technique is carried out by approach described by Vinnik et al. (2004). With this method, we determine seismic P- and S-velocities that are comparable to the results of teleseismic body wave and surface wave tomography techniques.The RF model shows variations in the crustal thickness between 35 and 55 km. Intracrustal structures are identified, in particular using the high-frequency P-RF component as it has about an order of magnitude better resolution than S-RF.We find no indication for significant crustal anisotropy in the cratonic areas of Siberia. The preliminary crustal thickness results from the Hk stacking and from the inversion approach agree with a previous study of mainly controlled source results by Cherepanova et al. (2013). Here we also determine the Vp/Vs ratio. Our analysis maps deep features in the upper mantle as the mid-lithospheric discontinuity and the thickness of the transition zone, whereas the lithosphere-asthenosphere boundary is not resolved.The current results of RF analysis of the crustal and mantle structure will help to build a model for tectonic and geodynamic evolution of different provinces of Siberia. We compare our results to the recent detailed models of crustal structure in the area and with seismic models for similar geodynamic settings worldwide.",
author = "Soliman, {Mohammad Youssof Ahmad} and Hans Thybo and Irina Artemieva and Lev Vinnik and Sergey Oreshin",
year = "2015",
month = apr,
language = "English",
volume = "17",
journal = "Geophysical Research Abstracts",
issn = "1607-7962",
publisher = "Copernicus GmbH",
note = "EGU General Assembly 2015 ; Conference date: 12-04-2015 Through 17-04-2015",

}

RIS

TY - ABST

T1 - Crustal and upper mantle structure of Siberia from teleseismic receiver functions

AU - Soliman, Mohammad Youssof Ahmad

AU - Thybo, Hans

AU - Artemieva, Irina

AU - Vinnik, Lev

AU - Oreshin, Sergey

PY - 2015/4

Y1 - 2015/4

N2 - This study presents seismic images of the crustal and lithospheric structure in Siberia based on the available broadband seismic data using teleseismic receiver functions (RFs). We invert P- and S-RFs jointly. The inversion technique is carried out by approach described by Vinnik et al. (2004). With this method, we determine seismic P- and S-velocities that are comparable to the results of teleseismic body wave and surface wave tomography techniques.The RF model shows variations in the crustal thickness between 35 and 55 km. Intracrustal structures are identified, in particular using the high-frequency P-RF component as it has about an order of magnitude better resolution than S-RF.We find no indication for significant crustal anisotropy in the cratonic areas of Siberia. The preliminary crustal thickness results from the Hk stacking and from the inversion approach agree with a previous study of mainly controlled source results by Cherepanova et al. (2013). Here we also determine the Vp/Vs ratio. Our analysis maps deep features in the upper mantle as the mid-lithospheric discontinuity and the thickness of the transition zone, whereas the lithosphere-asthenosphere boundary is not resolved.The current results of RF analysis of the crustal and mantle structure will help to build a model for tectonic and geodynamic evolution of different provinces of Siberia. We compare our results to the recent detailed models of crustal structure in the area and with seismic models for similar geodynamic settings worldwide.

AB - This study presents seismic images of the crustal and lithospheric structure in Siberia based on the available broadband seismic data using teleseismic receiver functions (RFs). We invert P- and S-RFs jointly. The inversion technique is carried out by approach described by Vinnik et al. (2004). With this method, we determine seismic P- and S-velocities that are comparable to the results of teleseismic body wave and surface wave tomography techniques.The RF model shows variations in the crustal thickness between 35 and 55 km. Intracrustal structures are identified, in particular using the high-frequency P-RF component as it has about an order of magnitude better resolution than S-RF.We find no indication for significant crustal anisotropy in the cratonic areas of Siberia. The preliminary crustal thickness results from the Hk stacking and from the inversion approach agree with a previous study of mainly controlled source results by Cherepanova et al. (2013). Here we also determine the Vp/Vs ratio. Our analysis maps deep features in the upper mantle as the mid-lithospheric discontinuity and the thickness of the transition zone, whereas the lithosphere-asthenosphere boundary is not resolved.The current results of RF analysis of the crustal and mantle structure will help to build a model for tectonic and geodynamic evolution of different provinces of Siberia. We compare our results to the recent detailed models of crustal structure in the area and with seismic models for similar geodynamic settings worldwide.

M3 - Conference abstract in journal

VL - 17

JO - Geophysical Research Abstracts

JF - Geophysical Research Abstracts

SN - 1607-7962

M1 - 6035

T2 - EGU General Assembly 2015

Y2 - 12 April 2015 through 17 April 2015

ER -

ID: 140443522