Geophysical Electromagnetic Theory And Methods

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Geophysical Electromagnetic Theory And Methods

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Author : Michael S. Zhdanov
language : en
Publisher: Elsevier
Release Date : 2009-06-12

Geophysical Electromagnetic Theory And Methods written by Michael S. Zhdanov and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-06-12 with Science categories.

In this book the author presents the state-of-the-art electromagnetic (EM)theories and methods employed in EM geophysical exploration.The book brings together the fundamental theory of EM fields and the practicalaspects of EM exploration for mineral and energy resources.This text is unique in its breadth and completeness in providing anoverview of EM geophysical exploration technology. The book is divided into four parts covering the foundations of EMfield theory and its applications, and emerging geophysical methods.Part I is an introduction to the field theory required for baselineunderstanding. Part II is an overview of all the basic elements ofgeophysical EM theory, from Maxwell's fundamental equations to modernmethods of modeling the EM field in complex 3-D geoelectrical formations. Part III deals with the regularized solution of ill-posedinverse electromagnetic problems, the multidimensional migration and imaging ofelectromagnetic data, and general interpretation techniques. Part IV describes major geophysical electromagnetic methods—direct current (DC), induced polarization (IP), magnetotelluric(MT), and controlled-source electromagnetic (CSEM) methods—and covers different applications of EM methods in exploration geophysics, includingminerals and HC exploration, environmental study, and crustal study. - Presents theoretical and methodological findings, as well as examples of applications of recently developed algorithms and software in solving practical problems - Describes the practical importance of electromagnetic data through enabling discussions on a construction of a closed technological cycle, processing, analysis and three-dimensional interpretation - Updates current findings in the field, especially with MT, magnetovariational and seismo-electrical methods and the practice of 3D interpretations

Foundations Of Geophysical Electromagnetic Theory And Methods

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Author : Michael S. Zhdanov
language : en
Publisher: Elsevier
Release Date : 2017-10-26

Foundations Of Geophysical Electromagnetic Theory And Methods written by Michael S. Zhdanov and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-26 with Science categories.

Foundations of Geophysical Electromagnetic Theory and Methods, Second Edition, builds on the strength of the first edition to offer a systematic exposition of geophysical electromagnetic theory and methods. This new edition highlights progress made over the last decade, with a special focus on recent advances in marine and airborne electromagnetic methods. Also included are recent case histories on practical applications in tectonic studies, mineral exploration, environmental studies and off-shore hydrocarbon exploration. The book is ideal for geoscientists working in all areas of geophysics, including exploration geophysics and applied physics, as well as graduate students and researchers working in the field of electromagnetic theory and methods. - Presents theoretical and methodological foundations of geophysical field theory - Synthesizes fundamental theory and the most recent achievements of electromagnetic (EM) geophysical methods in the framework of a unified systematic exposition - Offers a unique breadth and completeness in providing a general picture of the current state-of-the-art in EM geophysical technology - Discusses practical aspects of EM exploration for mineral and energy resources

Active Geophysical Monitoring

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Author : Hitoshi Mikada
language : en
Publisher: Elsevier
Release Date : 2019-10-05

Active Geophysical Monitoring written by Hitoshi Mikada and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-05 with Science categories.

Active Geophysical Monitoring, Second Edition, presents a key method for studying time-evolving structures and states in the tectonically active Earth's lithosphere. Based on repeated time-lapse observations and interpretation of rock-induced changes in geophysical fields periodically excited by controlled sources, active geophysical monitoring can be applied to a variety of fields in geophysics, from exploration, to seismology and disaster mitigation. This revised edition presents the results of strategic systematic development and the application of new technologies. It demonstrates the impact of active monitoring on solid Earth geophysics, also delving into key topics, such as carbon capture and storage, geodesy, and new technological tools. This book is an essential for graduate students, researchers and practitioners across geophysics. - Outlines the general concepts of active geophysical monitoring with powerful seismic vibrators and MHD generators - Provides historical background for previous studies of seismically active zones - Covers the theory and technology of active monitoring, including signal processing, data analysis, novel approaches to numerical modeling, and interpretation - Discusses case histories and presents the results of worldwide, regional active monitoring experiments - Thoroughly updated to include recent developments, such as updates relating to carbon capture and storage, microgravity, InSAR technologies, geodesy, reservoir monitoring, seismic reflection, and more

Inverse Theory And Applications In Geophysics

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Author : Michael S. Zhdanov
language : en
Publisher: Elsevier
Release Date : 2015-07-15

Inverse Theory And Applications In Geophysics written by Michael S. Zhdanov and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-15 with Science categories.

Geophysical Inverse Theory and Applications, Second Edition, brings together fundamental results developed by the Russian mathematical school in regularization theory and combines them with the related research in geophysical inversion carried out in the West. It presents a detailed exposition of the methods of regularized solution of inverse problems based on the ideas of Tikhonov regularization, and shows the different forms of their applications in both linear and nonlinear methods of geophysical inversion. It's the first book of its kind to treat many kinds of inversion and imaging techniques in a unified mathematical manner.The book is divided in five parts covering the foundations of the inversion theory and its applications to the solution of different geophysical inverse problems, including potential field, electromagnetic, and seismic methods. Unique in its focus on providing a link between the methods used in gravity, electromagnetic, and seismic imaging and inversion, it represents an exhaustive treatise on inversion theory.Written by one of the world's foremost experts, this work is widely recognized as the ultimate researcher's reference on geophysical inverse theory and its practical scientific applications. - Presents state-of-the-art geophysical inverse theory developed in modern mathematical terminology—the first to treat many kinds of inversion and imaging techniques in a unified mathematical way - Provides a critical link between the methods used in gravity, electromagnetic, and seismic imaging and inversion, and represents an exhaustive treatise on geophysical inversion theory - Features more than 300 illustrations, figures, charts and graphs to underscore key concepts - Reflects the latest developments in inversion theory and applications and captures the most significant changes in the field over the past decade

Electromagnetic Methods In Applied Geophysics

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Author : Misac N. Nabighian
language : en
Publisher: SEG Books
Release Date : 1988

Electromagnetic Methods In Applied Geophysics written by Misac N. Nabighian and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Electromagnetic fields categories.

Principles Of Electric Methods In Surface And Borehole Geophysics

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Author : Alex Kaufman
language : en
Publisher: Elsevier
Release Date : 2010-06-03

Principles Of Electric Methods In Surface And Borehole Geophysics written by Alex Kaufman and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-03 with Science categories.

This title covers the physical and mathematical principles of electric methods in applied geophysics. - Subject material - Writing style - Authority of contributors

Geophysical Methods

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Author : O.P. Mishra
language : en
Publisher: CRC Press
Release Date : 2024-12-30

Geophysical Methods written by O.P. Mishra and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-30 with Science categories.

This book includes a complete background on geophysical methods of exploration, practices, and case histories for a better understanding of the subject of geophysics and its applicability in diverse fields of exploration. It details both conventional and advanced geophysical techniques, with descriptions of the physics involved in different methodologies. Divided into 16 chapters, the book includes detailed discussions of the theory of individual methods, the operation of specific instruments, the presentation of results, and their interpretation. Features: Discusses potential geophysical methods and applications in mineral exploration Reviews natural hazard risk mitigation using geophysical methods Covers surface, air, marine, and well logging geophysical applications in natural resource exploration Includes electrical, electromagnetic, seismic, and radioactive geophysical methods supported by successful case histories Strengthens mathematical and problem-solving skills covering all the geophysical aspects This book is aimed at graduate and post-graduate students in applied geophysics, exploration geophysics, marine geophysics, engineering, and environmental geophysics.

Advanced Methods Of Joint Inversion And Fusion Of Multiphysics Data

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Author : Michael S. Zhdanov
language : en
Publisher: Springer Nature
Release Date : 2023-12-28

Advanced Methods Of Joint Inversion And Fusion Of Multiphysics Data written by Michael S. Zhdanov and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-28 with Science categories.

Different physical or geophysical methods provide information about distinctive physical properties of the objects, e.g., rock formations and mineralization. In many cases, this information is mutually complementary, which makes it natural for consideration in a joint inversion of the multiphysics data. Inversion of the observed data for a particular experiment is subject to considerable uncertainty and ambiguity. One productive approach to reducing uncertainty is to invert several types of data jointly. Nonuniqueness can also be reduced by incorporating additional information derived from available a priori knowledge about the target to reduce the search space for the solution. This additional information can be incorporated in the form of a joint inversion of multiphysics data. Generally established joint inversion methods, however, are inadequate for incorporating typical physical or geological complexity. For example, analytic, empirical, or statistical correlations between different physical properties may exist for only part of the model, and their specific form may be unknown. Features or structures that are present in the data of one physical method may not be present in the data generated by another physical method or may not be equally resolvable. This book presents and illustrates several advanced, new approaches to joint inversion and data fusion, which do not require a priori knowledge of specific empirical or statistical relationships between the different model parameters or their attributes. These approaches include the following novel methods, among others: 1) the Gramian method, which enforces the correlation between different parameters; 2) joint total variation functional or joint focusing stabilizers, e.g., minimum support and minimum gradient support constraints; 3) data fusion employing a joint minimum entropy stabilizer, which yields the simplest multiphysics solution that fits the multi-modal data. In addition, the book describes the principles of using artificial intelligence (AI) in solving multiphysics inverse problems. The book also presents in detail both the mathematical principles of these advanced approaches to joint inversion of multiphysics data and successful case histories of regional-scale and deposit-scale geophysical studies to illustrate their indicated advantages.

Active Geophysical Monitoring

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Author :
language : en
Publisher: Elsevier
Release Date : 2010-03-05

Active Geophysical Monitoring written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-05 with Science categories.

Active geophysical monitoring is an important new method for studying time-evolving structures and states in the tectonically active Earth's lithosphere. It is based on repeated time-lapse observations and interpretation of rock-induced changes in geophysical fields periodically excited by controlled sources. In this book, the results of strategic systematic development and the application of new technologies for active geophysical monitoring are presented. The authors demonstrate that active monitoring may drastically change solid Earth geophysics, through the acquisition of substantially new information, based on high accuracy and real-time observations. Active monitoring also provides new means for disaster mitigation, in conjunction with substantial international and interdisciplinary cooperation. - Introduction of a new concept - Most experienced authors in the field - Comprehensiveness

The Magnetotelluric Method

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Author : Alan D. Chave
language : en
Publisher: Cambridge University Press
Release Date : 2012-04-26

The Magnetotelluric Method written by Alan D. Chave and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-04-26 with Science categories.

A rigorous introduction to magnetotelluric imaging of Earth's electrical conductivity and structure, for researchers, advanced students and industrial practitioners.