內容簡介
《全球變化與地球係統科學係列:地震學中的成像、模擬與數據同化(英文版)》介紹地球物理和地震學研究領域內近年發展的數據同化、構造成像和數字模擬的新方法、新技術以及應用實例。全書共七章,由國內外著名大學和研究所從事地震前沿研究工作的人員撰寫而成。內容涵蓋:
數據同化概念在地震學中的拓展和應用,全波形三維構造成像(full waveform tomography),介質全物理屬性和震源機製反演方法;
非均勻介質中衍射波和散射波單返程傳播算子(one-return propagator)方法,適用於復雜構造成像;斷裂帶圈閉波(fault-zone trapped wave)或稱導波(guided waves)方法,高精度確定斷裂帶岩石共震破裂程度和空間尺度以及震後愈閤的時間關係;
強震動態斷裂過程和震源特性模擬閤成的有限元方法平行計算技術(hybrid MPI/OpenMP approach,sophisticated finite-element method algorithm EQdyna),評估地下構造和地麵結構抗震的非綫性響應和破壞程度;
震區內應力加載和減載的觀察,物理原理和加載一減載響應比測定方法(10ad—unIoad response ratio),推算岩石破碎程度和判彆臨震狀態,應用於地震預報;
離散單元計算方法(discrete element method),模擬發震斷裂帶的力學機製和岩石動態破裂,提供應力加載一減載響應比測定方法的力學基礎。
《全球變化與地球係統科學係列:地震學中的成像、模擬與數據同化(英文版)》作者酈永剛分彆在各自章節中對上述新方法作瞭詳盡闡述和公式推演,並給齣應用實例。本書可作為高等院校和科研院所地球物理學、地震學研究生教學參考書,也可供地震領域的研究人員藉鑒。
內頁插圖
目錄
Imaging, Modeling and Assimilation in Seismology:
An Overview
References
Chapter 1 Full-Wave Seismic Data Assimilation: A Unified Methodology for Seismic Waveform Inversion
1.1 Introduction
1.2 Generalized Inverse
1.2.1 Prior Probability Densities
1.2.2 Bayes' Theorem
1.2.3 Euler-Lagrange Equations
1.3 Data Functionals
1.3.1 Differential Waveforms
1.3.2 Cross-correlation Measurements
1.3.3 Generalized Seismological Data Functionals (GSDF)
1.4 The Adjoint Method
1.4.1 An Example of Adjoint Travel-Time Tomography
1.4.2 Review of Some Recent Adjoint Waveform Tomography
1.5 The Scattering-Integral (SI) Method
1.5.1 Full-Wave Tomography Based on SI
1.5.2 Earthquake Source Parameter Inversion Based on SI
1.6 Discussion
1.6.1 Computational Challenges
1.6.2 Nonlinearity
1.7 Summary
References
Chapter 2 One-Return Propagators and the Applications in Modeling and Imaging
2.1 Introduction
2.2 Primary-Only Modeling and One-Return Approximation
2.3 Elastic One-Return Modeling
2.3.1 Local Born Approximation
2.3.2 The Thin Slab Approximation
2.3.3 Small-Angle Approximation and the Screen Propagator
2.3.4 Numerical Implementation
2.3.5 Elastic, Acoustic and Scalar Cases
2.4 Applications of One-Return Propagators in Modeling, Imaging and Inversion
2.4.1 Applications to Modeling
2.4.2 One-Return Propagators Used in Migration Imaging
2.4.3 Calculate Finite-Frequency Sensitivity Kernels Used in Velocity Inversion
2.5 Other Development of One-Return Modeling
2.5.1 Super-Wide Angle One-Way Propagator
2.5.2 One-Way Boundary Element Method
2.6 Conclusion
References
Chapter 3 Fault-Zone Trapped Waves: High-Resolution Characterization of the Damage Zone of the Parkfield San Andreas Fault at Depth
3.1 Introduction
3.2 Fault-Zone Trapped Waves at the SAFOD Site
3.2.1 The SAFOD Surface Array
3.2.2 The SAFOD Borehole Seismographs
3.2.3 Finite-Difference Simulation of Fault-Zone Trapped Waves at SAFOD Site
3.3 Fault-Zone Trapped Waves at the Surface Array near Parkfield Town
3.4 Conclusion and Discussion
Acknowledgements
References
Appendix: Modeling Fault-Zone Trapped SH-Love Waves
Chapter 4 Fault-Zone Trapped Waves at a Dip Fault: Documentation of Rock Damage on the Thrusting Longmen-Shan Fault
Ruptured in the 2008 M8 Wenchuan Earthquake
4.1 Geological Setting and Scientific Significance
4.2 Data and Results
4.2.1 Data Collection
4.2.2 Examples of Waveform Data
4.3 3-D Finite-Difference Investigations of Trapping Efficiency at the Dipping Fault
4.3.1 Effect of Fault-Zone Dip Angle
4.3.2 Effect of Epicentral Distance
4.3.3 Effect of Source Depth
4.3.4 Effect of Source away from Vertical and Dip Fault Zones
4.3.5 Effect of Fault-Zone Width and Velocity Reduction
……
Chapter 5 Ground-Motion Simulations with Dynamic Source Characterization and Parallel Computing
Chapter 6 Load-Unload Response Ratio and Its New Progress
Chapter 7 Discrete Element Method and Its Applications in Earthquake and Rock Fracture Modeling
Acknowledgements
References
全球變化與地球係統科學係列:地震學中的成像、模擬與數據同化(英文版) [Imaging, Modeling and Assimilation in Seismology] 下載 mobi epub pdf txt 電子書 格式
全球變化與地球係統科學係列:地震學中的成像、模擬與數據同化(英文版) [Imaging, Modeling and Assimilation in Seismology] 下載 mobi pdf epub txt 電子書 格式 2024
全球變化與地球係統科學係列:地震學中的成像、模擬與數據同化(英文版) [Imaging, Modeling and Assimilation in Seismology] mobi epub pdf txt 電子書 格式下載 2024