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This book sets-out to give the reader a non-mathematical understanding of the basic principles of migration and of building a velocity model of the earths subsurface. The intended readership includes anyone who has to work with, or to understand, how contemporary seismic images are created: what are the underlying principles and pitfalls? How is a velocity model typically built and what are the consequences of not getting it right? --.

Seismic tomography.

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Tomografie --- Tomographie --- Tomography --- Seismic tomography. --- Seismic waves --- Data processing

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Seismic tomography --- Geotomography --- Imaging, Seismic --- Seismic imaging --- Geometric tomography --- Earth (Planet) --- Mantle. --- Internal structure

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Geological modeling --- Geophysics --- Inverse scattering transform --- Seismic tomography --- Congresses --- Mathematical models

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This book describes the theory and practice of inverting seismic data for the subsurface rock properties of the earth. The primary application is for inverting reflection and/or transmission data from engineering or exploration surveys, but the methods described also can be used for earthquake studies. This book is written for scientists and advanced students in engineering, earth sciences, and physics. The reader should have some familiarity with certain aspects of numerical computation, such as finite-difference solutions to partial differential equations, numerical linear algebra, and the basic physics of wave propagation (e.g., Snell's law and ray tracing). For those not familiar with the terminology and methods of seismic exploration, a brief introduction is provided in the Appendix of Chapter 1. Computational labs are provided for most of the chapters, and some field data labs are given as well. Matlab and Fortran labs at the end of some chapters are used to deepen the reader's understanding of the concepts and their implementation. Such exercises are introduced early and geophysical applications are presented in every chapter. For the non-geophysicist, geophysical concepts are introduced with intuitive arguments, and their description by rigorous theory is deferred to later chapters.--

Seismic traveltime inversion. --- Seismic reflection method --- Seismic tomography. --- Inversion (Geophysics) --- Seismology --- Deconvolution. --- Mathematics.