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Author : Misac N. Nabighian
Publisher : SEG Books
Page : 989 pages
File Size : 41,8 Mb
Release : 1988
Category : Electromagnetic fields
ISBN : 9781560800224
As a slag heap, the result of strip mining, creeps closer to his house in the Ohio hills, fifteen-year-old M. C. is torn between trying to get his family away and fighting for the home they love.
Author : W. M. Telford,L. P. Geldart,R. E. Sheriff
Publisher : Cambridge University Press
Page : 796 pages
File Size : 42,5 Mb
Release : 1990-10-26
Category : Science
ISBN : 9781139642927
This is the completely revised and updated version of the popular and highly regarded textbook, Applied Geophysics. It describes the physical methods involved in exploration for hydrocarbons and minerals, which include gravity, magnetic, seismic, electrical, electromagnetic, radioactivity, and well-logging methods. All aspects of these methods are described, including basic theory, field equipment, techniques of data acquisition, data processing and interpretation, with the objective of locating commercial deposits of minerals, oil, and gas and determining their extent. In the fourteen years or so since the first edition of Applied Geophysics, many changes have taken place in this field, mainly as the result of new techniques, better instrumentation, and increased use of computers in the field and in the interpretation of data. The authors describe these changes in considerable detail, including improved methods of solving the inverse problem, specialized seismic methods, magnetotellurics as a practical exploration method, time-domain electromagnetic methods, increased use of gamma-ray spectrometers, and improved well-logging methods and interpretation.
Author : Kalyan Kumar Roy
Publisher : Springer Nature
Page : 605 pages
File Size : 42,5 Mb
Release : 2020-02-22
Category : Science
ISBN : 9783030380977
This research monograph presents all the branches of geophysics based on natural electromagnetic fields and their associated subjects. Meant for postgraduate and research level courses, it includes research guidance and collection of magnetotelluric data in some parts of Eastern India and their qualitative and quantitative interpretation. Specific topics highlighted include (i) Electrotellurics, (ii) Magnetotellurics, (iii) Geomagnetic Depth Sounding and Magnetometer Array Studies, (iv) Audio Frequency Magnetotellurics and Magnetic Methods, (v) Marine Magnetotelluric and Marine Controlled Source Electromagnetic Methods, (vi) Electrical Conductivity of Rocks and Minerals and (vii) Mathematical Modelling and Some Topics on Inversion needed for Interpretation of Geoelectrical Data.
Author : D. S. Parasnis
Publisher : Springer Science & Business Media
Page : 285 pages
File Size : 41,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400958142
The welcome accorded to the first two editions of this book has been most encouraging. The object of the third edition continues to be to give a brief but "fairly comprehensive survey of the methods of applied geophysics including some of the modern interpretation techniques. The general approach and plan of the previous editions are preserved, but in bringing the book up to date some changes have been made to which I would like to draw the reader's special attention. SI units are strictly adhered to except in six illustrative figures reproduced from older literature and left intact to save some extensive redraughting. Following the recommendation of the International Union of Geodesy and Geophysics, the magnetic field measured in geophysical work is labelled here as flux density (tesla). Consequently, the symbols H, Z and T commonly used in geomagnetic work should stand for flux density. In the Max wellian theory of electromagnetism the symbol H stands, by convention, for a magnetizing force (A m -1) and a discerning reader will at once sense a source of confusion. This source of confusion is avoided in the present edition by B , B and B instead of H, Z and T. The employing the symbols b z t latter ~et is employed for the corresponding magnetizing forces of the earth's field. I hope this notation will gain general acceptance because it so easily dispenses with an ambiguity that otherwise tends to lead to unnecessary confusion of units and dimensions in geomagnetism.
Author : Misac N. Nabighian
Publisher : Unknown
Page : 544 pages
File Size : 47,9 Mb
Release : 1988
Category : Science
ISBN : UOM:39015013550507
As a slag heap, the result of strip mining, creeps closer to his house in the Ohio hills, fifteen-year-old M. C. is torn between trying to get his family away and fighting for the home they love.
Author : Misac N. Nabighian
Publisher : Unknown
Page : 452 pages
File Size : 43,7 Mb
Release : 1991
Category : Electronic
ISBN : OCLC:630354403
Author : Michael S. Zhdanov
Publisher : Elsevier
Page : 804 pages
File Size : 46,7 Mb
Release : 2017-10-27
Category : Science
ISBN : 9780444638915
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
Author : Alex A. Kaufman,Dimitry Alekseev,Michael Oristaglio
Publisher : Newnes
Page : 794 pages
File Size : 44,9 Mb
Release : 2014-06-27
Category : Science
ISBN : 9780444538307
Principles of Electromagnetic Methods in Surface Geophysics contains information about the theory of electromagnetic fields in a conducting media. It describes the theoretical and physical principles of the main geophysical methods using electromagnetic fields, including frequency and transient soundings, electromagnetic profiling, and magnetotelluric soundings. Special attention is paid to models and signal processing methods used in modern exploration geophysics for groundwater, mineral and hydrocarbon exploration. Offers an integrated approach to the description of electromagnetic geophysical fields used for surface geophysical surveys Provides a clear introduction to the physical background of electromagnetic methods and their application Rounds off the treatment of the main geophysical methods: gravity, magnetic seismic, electric and electromagnetic methods
Author : Eldad Haber
Publisher : SIAM
Page : 144 pages
File Size : 55,6 Mb
Release : 2014-12-11
Category : Science
ISBN : 9781611973808
This monograph provides a framework for students and practitioners who are working on the solution of electromagnetic imaging in geophysics. Bridging the gap between theory and practical applied material (for example, inverse and forward problems), it provides a simple explanation of finite volume discretization, basic concepts in solving inverse problems through optimization, a summary of applied electromagnetics methods, and MATLAB?÷code for efficient computation.
Author : Kalyan Kumar Roy
Publisher : Springer Science & Business Media
Page : 661 pages
File Size : 44,7 Mb
Release : 2007-11-15
Category : Science
ISBN : 9783540723349
This book introduces the principles of gravitational, magnetic, electrostatic, direct current electrical and electromagnetic fields, with detailed solutions of Laplace and electromagnetic wave equations by the method of separation of variables. Discussion includes behaviours of the scalar and vector potential and the nature of the solutions of these boundary value problems, along with the use of complex variables and conformal transformation, Green's theorem, Green's formula and Green's functions.
Author : Alan D. Chave,Alan G. Jones
Publisher : Cambridge University Press
Page : 571 pages
File Size : 49,6 Mb
Release : 2012-04-26
Category : Science
ISBN : 9780521819275
A rigorous introduction to magnetotelluric imaging of Earth's electrical conductivity and structure, for researchers, advanced students and industrial practitioners.
Author : Mark E. Everett
Publisher : Cambridge University Press
Page : 419 pages
File Size : 52,5 Mb
Release : 2013-04-25
Category : Science
ISBN : 9781107354975
Just a few meters below the Earth's surface lie features of great importance, from geological faults which can produce devastating earthquakes, to lost archaeological treasures. This refreshing, up-to-date book explores the foundations of interpretation theory and the latest developments in near-surface techniques, used to complement traditional geophysical methods for deep-exploration targets. Clear but rigorous, the book explains theory and practice in simple physical terms, supported by intermediate-level mathematics. Techniques covered include magnetics, resistivity, seismic reflection and refraction, surface waves, induced polarization, self-potential, electromagnetic induction, ground-penetrating radar, magnetic resonance, interferometry, seismoelectric and more. Sections on data analysis and inverse theory are provided and chapters are illustrated by case studies, giving students and professionals the tools to plan, conduct and analyze a near-surface geophysical survey. This is an important textbook for advanced-undergraduate and graduate students in geophysics and a valuable reference for practising geophysicists, geologists, hydrologists, archaeologists, and civil and geotechnical engineers.
Author : D. H. Griffiths,R. F. King
Publisher : Elsevier
Page : 242 pages
File Size : 55,5 Mb
Release : 2013-10-22
Category : Technology & Engineering
ISBN : 9781483293486
Covers the fundamentals of all currently used methods (seismic, electrical, electromagnetic, gravity, magnetic, borehole logging and remote sensing) and pays special attention to the seismic refraction and electrical resistivity techniques which are the ones most commonly used in engineering and groundwater geophysics. The main changes in this new edition of Applied Geophysics for Engineers and Geologists, apart from a general updating, and conversion to SI units, is a more extensive treatment of electromagnetic and induced polarisation methods, and of geophysical borehole logging. The seismic reflection method is also treated more fully in view of its great importance in petroleum prospecting. Problems, with answers are also included. Taken together, the changes are so great that this is virtually a new book, as is suggested by the change in title
Author : Misac N. Nabighian
Publisher : SEG Books
Page : 529 pages
File Size : 47,6 Mb
Release : 1988
Category : Electromagnetic fields
ISBN : 9780931830518
Author : Misac N. Nabighian
Publisher : Unknown
Page : 128 pages
File Size : 46,6 Mb
Release : 1987
Category : Magnetic prospecting
ISBN : 093183046X