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  • 1
    Online Resource
    Online Resource
    [s.l.] : American Geophysical Union
    Keywords: Electronic books ; Geophysik ; Modellierung ; Inverse Methode ; Geoinformatik ; Prospektion
    Description / Table of Contents: Reliable and detailed information about the Earth's subsurface is of crucial importance throughout the geosciences. Quantitative integration of all available geophysical and geological data helps to make Earth models more robust and reliable. The aim of this book is to summarize and synthesize the growing literature on combining various types of geophysical and other geoscientific data. The approaches that have been developed to date encompass joint inversion, cooperative inversion, and statistical post-inversion analysis methods, each with different benefits and assumptions.Starting with the foundations of inverse theory, this book systematically describes the mathematical and theoretical aspects of how to best integrate different geophysical datasets with geological prior understanding and other complimentary data. This foundational basis is followed by chapters that demonstrate the diverse range of applications for which integrated methods have been used to date. These range from imaging the hydrogeological properties of the near-surface to natural resource exploration and probing the composition of the lithosphere and the deep Earth. Each chapter is written by leading experts in the field, which makes this book the definitive reference on integrated imaging of the Earth.Highlights of this volume include:Complete coverage of the theoretical foundations of integrated imaging approaches from inverse theory to different coupling methods and quantitative evaluation of the resulting modelsComprehensive overview of current applications of integrated imaging including hydrological investigations, natural resource exploration, and imaging the deep EarthDetailed case studies of integrated approaches providing valuable guidance for both experienced users and researchers new to joint inversion.This volume will be a valuable resource for graduate students, academics, industry practitioners, and researchers who are interested in using or developing integrated imaging approaches.
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (270 S.)
    Edition: 1. Aufl.
    ISBN: 1118929063
    Series Statement: Geophysical Monograph Series v.218
    DDC: 530
    Language: English
    Note: Description based upon print version of record
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  • 2
    Book
    Book
    Washington, DC : AGU, American Geophysical Union | Hoboken, New Jersey : Wiley
    Keywords: Imaging systems in seismology ; Imaging systems in geophysics ; Geophysik ; Inverse Methode ; Mathematische Modellierung
    Description / Table of Contents: Reliable and detailed information about the Earth's subsurface is of crucial importance throughout the geosciences. Quantitative integration of all available geophysical and geological data helps to make Earth models more robust and reliable. The aim of this book is to summarize and synthesize the growing literature on combining various types of geophysical and other geoscientific data. The approaches that have been developed to date encompass joint inversion, cooperative inversion, and statistical post-inversion analysis methods, each with different benefits and assumptions. Starting with the foundations of inverse theory, this book systematically describes the mathematical and theoretical aspects of how to best integrate different geophysical datasets with geological prior understanding and other complimentary data. This foundational basis is followed by chapters that demonstrate the diverse range of applications for which integrated methods have been used to date. These range from imaging the hydrogeological properties of the near-surface to natural resource exploration and probing the composition of the lithosphere and the deep Earth. Each chapter is written by leading experts in the field, which makes this book the definitive reference on integrated imaging of the Earth.--
    Type of Medium: Book
    Pages: xiii, 252 Seiten , Illustrationen, Diagramme, Karten , 29 cm
    ISBN: 1118929055 , 9781118929056
    Series Statement: Geophysical monograph series 218
    DDC: 550.28
    RVK:
    RVK:
    RVK:
    RVK:
    Language: English
    Note: Includes bibliographical references and index , "This Work is a co-publication between the American Geophysical Union and John Wiley and Sons, Inc. " , 1. Introduction , 2. Inverse Methods: Problem Formulation and Probabilistic Solutions , 3. Inference Networks in Earth Models with Multiple Components and Data , 4. Structural Coupling Approaches in Integrated Geophysical Imaging , 5. Post-inversion Integration of Disparate Tomographic Models by Model Structure Analyses , 6. Probabilistic Integration of Geo-Information , 7. Joint Inversion in Hydrogeophysics and Near-Surface Geophysics , 8. Integrated Imaging for Mineral Exploration , 9. Joint Inversion in Hydrocarbon Exploration , 10. Imaging the Lithosphere and Upper Mantle: Where We Are At and Where We Are Going , 11. Constitution and Structure of Earth's Mantle: Insights from Mineral Physics and Seismology
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  • 3
    In: Journal of geophysical research. B, Solid earth, Hoboken, NJ : Wiley, 1978, 115(2010), 2169-9356
    In: volume:115
    In: year:2010
    In: extent:23
    Description / Table of Contents: We present joint inversion of magnetotelluric, receiver function, and Raleigh wave dispersion data for a one-dimensional Earth using a multiobjective genetic algorithm (GA). The chosen GA produces not only a family of models that fit the data sets but also the trade-off between fitting the different data sets. The analysis of this trade-off gives insight into the compatibility between the seismic data sets and the magnetotelluric data and also the appropriate noise level to assume for the seismic data. This additional information helps to assess the validity of the joint model, and we demonstrate the use of our approach with synthetic data under realistic conditions. We apply our method to one site from the Slave Craton and one site from the Kaapvaal Craton. For the Slave Craton we obtain similar results to our previously published models from joint inversion of receiver functions and magnetotelluric data but with improved resolution and control on absolute velocities. We find a conductive layer at the bottom of the crust, just above the Moho; a low-velocity, low-resistivity zone in the lithospheric mantle, previously termed the Central Slave Mantle Conductor; and indications of the lithosphere-asthenosphere boundary in terms of a decrease in seismic velocity and resistivity. For the Kaapvaal Craton both the seismic and the MT data are of lesser quality, which prevents as detailed and robust an interpretation; nevertheless, we find an indication of a low-velocity low-resistivity zone in the mantle lithosphere. These two examples demonstrate the potential of joint inversion, particularly in combination with nonlinear optimization methods.
    Type of Medium: Online Resource
    Pages: 23 , graph. Darst
    ISSN: 2169-9356
    Language: English
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