Quantifying Uncertainties in Seismic Tomography


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Cuer, Michel and Duffet, Carole and Ivorra, Benjamin and Mohammadi, Bijan (2005) Quantifying Uncertainties in Seismic Tomography. In 2005 SIAM Conference on Mathematical and Computational Issues in the Geosciences, June 7-10, 2005, Avignon, France. (Submitted)

[thumbnail of Ivorra58 (1).pdf]

Official URL: http://meetings.siam.org/sess/dsp_talk.cfm?p=16527


Reflection tomography allows the determination of a velocity model that fits the traveltime data associated with reflections of seismic waves in the subsurface. The resulting nonlinear optimization problem is solved classically by a Gauss-Newton method based on successive linearizations of the forward operator. A linearized a posteriori analysis is possible in a Bayesian framework. In this presentation, we compare the results obtained by such technique, the ones obtained by a linear programming based method and the others by a global optimization approach

Item Type:Conference or Workshop Item (Lecture)
Subjects:Sciences > Geology > Seismology
Sciences > Mathematics > Operations research
ID Code:33426
Deposited On:01 Dec 2015 08:42
Last Modified:12 Dec 2018 15:07

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