Active seismic tomography : theory and applications / / Kalachand Sain, Damodara Nara

• Record Nr.: UNINA9910830694903321
• Autore: Sain Kalachand
• Pubbl/distr/stampa: Hoboken, New Jersey : , : John Wiley & Sons, Inc., , [2023]; ©2023
• ISBN: 1-119-59492-8; 1-119-59483-9
• Descrizione fisica: 1 online resource (146 pages)
• Disciplina: 551.220287
• Soggetti: Seismic tomography
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- Active Seismic Tomography -- Contents -- Preface -- About the Authors -- Glossary -- Section I Theory -- 1 Pioneering History -- 1.1 Introduction -- 1.2 Applications -- 1.3 Terminology -- 2 Seismic Wave Equation -- 2.1 Elastodynamic Wave Equations -- 2.2 Acoustic Wave Equation -- 2.3 Boundary Conditions -- 2.4 Attenuation -- 2.5 Sources -- 3 Forward Problem of Tomography -- 3.1 Introduction -- 3.2 Finite-Difference Method -- 3.3 Finite-Element Method -- 4 Inverse Problem: Tomography -- 4.1 Introduction -- 4.2 Inverse Problem -- 5 Subsurface Parameterization -- 5.1 Introduction -- 5.2 Building Initial Model -- 5.3 Intercept-time method -- 5.4 Model Parameterization -- 5.5 Workflow to Build Initial Model -- 5.5.1 Example -- 6 Seismic Travel Time Tomography -- 6.1 Introduction -- 6.2 Traveltime Tomography -- 6.3 History of Algorithms -- 6.4 Objective Function -- 6.5 Model Assessment -- 7 Seismic Full Waveform Tomography -- 7.1 Introduction -- 7.2 Full Waveform Tomography (FWT) -- 7.3 Frequency-Domain FWT Algorithm -- 7.4 Frequency Selection Criteria -- Section II Applications -- 8 Tomography of Synthetic Seismic Data -- 8.1 Introduction -- 8.2 Forward Modeling -- 8.3 Visco-Acoustic Full Waveform Tomography -- 8.3.1 Starting Model -- 8.3.2 Data Pre-Processing -- 8.3.3 Full Waveform Tomography -- 8.3.3.1 Frequency Selection Criteria -- 8.4 Results and Discussion -- 8.5 Conclusions -- 9 Travel Time Tomography of Seismic ; Data -- 9.1 Introduction -- 9.2 Geological Setting -- 9.2.1 Magnetic Data -- 9.3 Data Acquisition -- 9.4 Traveltime Tomography -- 9.4.1 Starting Velocity Models -- 9.4.2 Inversion -- 9.4.3 Model Assessment -- 9.4.4 Results and Discussion -- 9.5.5 Conclusions -- 10 Full Waveform Tomography of Seismic Data -- 10.1 Introduction -- 10.1.1 Gravity Data -- 10.2 Marine Seismic Survey -- 10.3 Full Waveform Tomography.; 10.3.1 Initial Models -- 10.3.2 Data Pre-processing -- 10.3.3 Application of Full Waveform Tomography -- 10.3.4 Computational Resources -- 10.4 Discussion -- 10.5 Conclusions -- 11 Advanced Seismic Processing Using Tomographic Results -- 11.1 Introduction -- 11.2 Filter -- 11.3 Denoise -- 11.4 Demultiple -- 11.5 Post Migration Demultiple -- 12 Future Scope -- 12.1 Introduction -- 12.2 Limitations of the Study -- 12.3 Future Research Scope -- 12.4 Concluding Remarks -- References -- Index -- EULA.