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Effect of a starting model on the Solution of a Travel Time Seismic Tomography Problem. / Yanovskaya, T. B. ; Medvedev, S.V.; Gobarenko, V.S.

In: Izvestiya, Physics of the Solid Earth, Vol. 54, No. 2, 2018, p. 193-200.

Research output: Contribution to journal › Article › peer-review

Harvard

Yanovskaya, TB, Medvedev, SV & Gobarenko, VS 2018, 'Effect of a starting model on the Solution of a Travel Time Seismic Tomography Problem', Izvestiya, Physics of the Solid Earth, vol. 54, no. 2, pp. 193-200. https://doi.org/10.1134/S1069351318020167

APA

Yanovskaya, T. B., Medvedev, S. V., & Gobarenko, V. S. (2018). Effect of a starting model on the Solution of a Travel Time Seismic Tomography Problem. Izvestiya, Physics of the Solid Earth, 54(2), 193-200. https://doi.org/10.1134/S1069351318020167

Vancouver

Yanovskaya TB, Medvedev SV, Gobarenko VS. Effect of a starting model on the Solution of a Travel Time Seismic Tomography Problem. Izvestiya, Physics of the Solid Earth. 2018;54(2):193-200. https://doi.org/10.1134/S1069351318020167

Author

Yanovskaya, T. B. ; Medvedev, S.V. ; Gobarenko, V.S. / Effect of a starting model on the Solution of a Travel Time Seismic Tomography Problem. In: Izvestiya, Physics of the Solid Earth. 2018 ; Vol. 54, No. 2. pp. 193-200.

BibTeX

@article{02d3acb3f30c47b9b4eb92b19bfc7b8d,
title = "Effect of a starting model on the Solution of a Travel Time Seismic Tomography Problem",
abstract = "In the problems of three-dimensional (3D) travel time seismic tomography where the data aretravel times of diving waves and the starting model is a system of plane layers where the velocity is a functionof depth alone, the solution turns out to strongly depend on the selection of the starting model. This is due tothe fact that in the different starting models, the rays between the same points can intersect different layers,which makes the tomography problem fundamentally nonlinear. This effect is demonstrated by the modelexample. Based on the same example, it is shown how the starting model should be selected to ensure a solutionclose to the true velocity distribution. The starting model (the average dependence of the seismic velocityon depth) should be determined by the method of successive iterations at each step of which the horizontalvelocity variations in the layers are determined by solving the two-dimensional tomography problem. Anexample illustrating the application of this technique to the P-wave travel time data in the region of the BlackSea basin is presented.",
author = "Yanovskaya, {T. B.} and S.V. Medvedev and V.S. Gobarenko",
note = "Yanovskaya, T.B., Medvedev, S.V. & Gobarenko, V.S. Effect of a Starting Model on the Solution of a Travel Time Seismic Tomography Problem. Izv., Phys. Solid Earth 54, 193–200 (2018). https://doi.org/10.1134/S1069351318020167",
year = "2018",
doi = "10.1134/S1069351318020167",
language = "English",
volume = "54",
pages = "193--200",
journal = "Izvestiya, Physics of the Solid Earth",
issn = "1069-3513",
publisher = "Pleiades Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Effect of a starting model on the Solution of a Travel Time Seismic Tomography Problem

AU - Yanovskaya, T. B.

AU - Medvedev, S.V.

AU - Gobarenko, V.S.

N1 - Yanovskaya, T.B., Medvedev, S.V. & Gobarenko, V.S. Effect of a Starting Model on the Solution of a Travel Time Seismic Tomography Problem. Izv., Phys. Solid Earth 54, 193–200 (2018). https://doi.org/10.1134/S1069351318020167

PY - 2018

Y1 - 2018

N2 - In the problems of three-dimensional (3D) travel time seismic tomography where the data aretravel times of diving waves and the starting model is a system of plane layers where the velocity is a functionof depth alone, the solution turns out to strongly depend on the selection of the starting model. This is due tothe fact that in the different starting models, the rays between the same points can intersect different layers,which makes the tomography problem fundamentally nonlinear. This effect is demonstrated by the modelexample. Based on the same example, it is shown how the starting model should be selected to ensure a solutionclose to the true velocity distribution. The starting model (the average dependence of the seismic velocityon depth) should be determined by the method of successive iterations at each step of which the horizontalvelocity variations in the layers are determined by solving the two-dimensional tomography problem. Anexample illustrating the application of this technique to the P-wave travel time data in the region of the BlackSea basin is presented.

AB - In the problems of three-dimensional (3D) travel time seismic tomography where the data aretravel times of diving waves and the starting model is a system of plane layers where the velocity is a functionof depth alone, the solution turns out to strongly depend on the selection of the starting model. This is due tothe fact that in the different starting models, the rays between the same points can intersect different layers,which makes the tomography problem fundamentally nonlinear. This effect is demonstrated by the modelexample. Based on the same example, it is shown how the starting model should be selected to ensure a solutionclose to the true velocity distribution. The starting model (the average dependence of the seismic velocityon depth) should be determined by the method of successive iterations at each step of which the horizontalvelocity variations in the layers are determined by solving the two-dimensional tomography problem. Anexample illustrating the application of this technique to the P-wave travel time data in the region of the BlackSea basin is presented.

UR - http://www.scopus.com/inward/record.url?scp=85045377847&partnerID=8YFLogxK

U2 - 10.1134/S1069351318020167

DO - 10.1134/S1069351318020167

M3 - Article

VL - 54

SP - 193

EP - 200

JO - Izvestiya, Physics of the Solid Earth

JF - Izvestiya, Physics of the Solid Earth

SN - 1069-3513

IS - 2

ER -

ID: 37231281