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Recent progress in numerical methods and computer science allows us today to simulate the propagation of seismic waves through realistically heterogeneous Earth models with unprecedented accuracy. Full waveform tomography is a tomographic technique that takes advantage of numerical solutions of the elastic wave equation. The accuracy of the numerical solutions and the exploitation of complete waveform information result in tomographic images that are both more realistic and better resolved. This book develops and describes state of the art methodologies covering all aspects of full waveform tomography including methods for the numerical solution of the elastic wave equation, the adjoint method, the design of objective functionals and optimisation schemes. It provides a variety of case studies on all scales from local to global based on a large number of examples involving real data. It is a comprehensive reference on full waveform tomography for advanced students, researchers and professionals.

Earth -- Internal structure -- Mathematical models. --- Seismic tomography. --- Seismic waves. --- Physics --- Geology --- Physical Sciences & Mathematics --- Earth & Environmental Sciences --- Dynamic & Structural Geology --- Cosmic Physics --- Seismic waves --- Mathematical geography. --- Mathematical models. --- Geography, Mathematical --- Waves, Seismic --- Earth sciences. --- Geophysics. --- Applied mathematics. --- Engineering mathematics. --- Earth Sciences. --- Geophysics/Geodesy. --- Geophysics and Environmental Physics. --- Applications of Mathematics. --- Earth Sciences, general. --- Geography --- Astronomical geography --- Geodesy --- Geographical positions --- Elastic waves --- Physical geography. --- Mathematics. --- Geography. --- Cosmography --- Earth sciences --- World history --- Math --- Science --- Geosciences --- Environmental sciences --- Physical sciences --- Engineering --- Engineering analysis --- Mathematical analysis --- Geological physics --- Terrestrial physics --- Mathematics

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This enduringly popular undergraduate textbook has been thoroughly reworked and updated, and now comprises twelve chapters covering the same breadth of topics as earlier editions, but in a substantially modernized fashion to facilitate classroom teaching. Covering both theoretical and applied aspects of geophysics, clear explanations of the physical principles are blended with step-by-step derivations of the key equations and over 400 explanatory figures to explain the internal structure and properties of the planet, including its petroleum and mineral resources. New topics include the latest data acquisition technologies, such as satellite geophysics, planetary landers, ocean bottom seismometers, and fibre optic methods, as well as recent research developments in ambient noise interferometry, seismic hazard analysis, rheology, and numerical modelling - all illustrated with examples from the scientific literature. Student-friendly features include separate text boxes with auxiliary explanations and advanced topics of interest; reading lists of foundational, alternative, or more detailed resources; end-of-chapter review questions and an increased number of quantitative exercises. Completely new to this edition is the addition of computational exercises in Python, designed to help students acquire important programming skills and develop a more profound understanding of geophysics. Emphasises basic principles, combining clear explanations of the underlying physics with a robust yet accessible mathematical treatment. Introduces cutting-edge topics such as planetary geophysics, geohazards, microseismicity and ambient noise, exposing students to exciting and topical areas of ongoing research. Features a helpful section on numerical modelling and new computational exercises that help prepare students for graduate studies and careers in geophysics.

Géophysique --- Geophysics. --- Manuels d'enseignement supérieur. --- Géophysique

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Exploiting Seismic Waveforms introduces a range of recent developments in seismology including the application of correlation techniques, understanding of multi-scale heterogeneity and the extraction of structure and source information by seismic waveform inversion. It provides a full treatment of correlation methods for seismic noise and event signals, and develops inverse methods for both sources and structure. Higher frequency components of seismograms are frequently neglected, or removed by filtering, but they contain information about seismic structure on scales that cannot be revealed by seismic tomography. Sufficient computational resources are now available for waveform inversion for 3-D structure to be a practical procedure and this book describes suitable algorithms and examples reflecting current best practice. Intended for students and researchers in seismology, this book provides a physical understanding of seismic waveforms and the way that different aspects of the seismic wavefield are revealed by the way that seismic data are handled.

Seismology --- Seismic waves. --- Data processing.