Seismic surface waves in laterally inhomogeneous earth

목차 (Table of Contents)

• CONTENTS
• Introduction = ⅶ
• PART 1. THEORY = 1
• CHAPTER 1. Surface waves in vertically inhomogeneous media = 3
• 1.1. Equations of motion for an elastic medium = 3
• 1.2. Sources of seismic disturbance = 6
• 1.3. Surface waves due to a point source in a vertically varying halfspace = 8
• 1.4. Physical interpretation ； some simple examples = 14
• 1.5. Sphericity corrections ； variational formulas = 21
• 1.6. Effects of anelasticity = 30
• 1.7. Synthetic seismograms = 31
• CHAPTER 2. Surface waves in media with weak lateral inhomogeneity = 35
• 2.1. Formulation of problems of surface wave propagation in a halfspace with weak lateral inhomogeneity = 35
• 2.2. Propagation of harmonic surface waves = 36
• 2.3. Propagation of transient surface waves = 44
• 2.4. Calculation of geometrical spreading for space-time rays = 54
• 2.5. Reflection and refraction of space-time rays at a discontinuity = 59
• 2.6. Space-time rays and geometrical spreading in the spherical case = 63
• 2.7. On the configuration of space-time rays = 68
• CHAPTER 3. Surface waves in media involving vertical contacts = 71
• 3.1. Statement of the problem = 71
• 3.2. A review of available theoretical results = 74
• 3.3. Approximate calculation of surface wave reflection and transmission coefficients at a contact = 82
• 3.4. A numerical method for determining the displacement field = 90
• 3.5. Oblique contact and other possible refinements = 93
• CHAPTER 4. Computation techniques for surface waves = 99
• 4.1. On the matrix method for one-dimensional boundary value problems = 99
• 4.2. A numerical method for solving one-dimensional boundary value problems = 100
• 4.3. Dynamic ray tracing = 104
• 4.4. Calculation of reflection and transmission coefficients = 112
• PART 2. INTERPRETATION OF SURFACE WAVE OBSERVATIONS = 129
• CHAPTER 5. Recording, identification, and measurement of surface wave parameters = 131
• 5.1. Recording techniques and equipment in surface wave observations = 131
• 5.2. Basics of surface wave processing = 133
• 5.3. Frequency-time analysis = 153
• 5.4. Linear polarization analysis = 164
• 5.5. Spatial analysis of surface waves = 178
• CHAPTER 6. Methods for quantitative interpretation of observations = 183
• 6.1. A review of recent approaches to the inversion of surface wave data = 183
• 6.2. Least squares and singular value decomposition = 187
• 6.3. Quadratic programming methods = 189
• 6.4. Modelling experimental data in a block structure = 191
• 6.5. Backus―Cilbert method = 201
• 6.6. Surface wave tomography based on a combined use of phase and group velocities for different periods = 212
• 6.7. The influence of lateral inhomogeneity on the measurement of surface wave attenuation = 217
• 6.8. Anisotropy or inhomogeneity? = 225
• 6.9. Estimation of earthquake source parameters = 229
• CHAPTER 7. Some results from studies of regional lithospheric structure by surface waves = 247
• 7.1. The method of path elimination in a study of the Eurasian crust = 247
• 7.2. Results obtained by the Backus―Gilbert method = 265
• 7.3. Anomalous Rayleigh surface waves in northeast Eurasia = 273
• References = 281
• Index = 291