# Category:Publications

SEG's publications program helps the Society fulfill its mission of promoting the science of geophysics and the professional development of geoscientists by disseminating information about geophysical research and applications through a variety of channels. These articles represent a selection of products produced by Publications.

## Pages in category "Publications"

The following 155 pages are in this category, out of 155 total.

### A

- Accuracy of normal-moveout calculations
- User:Ageary/Introduction
- User:Ageary/Theory of seismic waves
- Alias filters
- Amplitude variation with offset for seafloor multiples
- Amplitude/energy of reflections and multiples
- Apparent-velocity filtering
- Attenuation calculations
- Attenuation of air waves
- AVO versus AVA and effect of velocity gradient

### B

### C

- Calculating crosscorrelation and autocorrelation
- Calculation of inverse filters
- Calculation of reflector depths and dips
- Causes of high-frequency losses
- Characteristics of different types of events and noise
- Checking solutions
- Complex coefficient of reflection
- Complex-trace analysis
- Convolution and correlation calculations
- Cross-dip

### D

- Deconvolution methods
- Dependence of resolvable limit on frequency
- Dependence of velocity-depth curves on geology
- Depth and dip calculations using velocity functions
- Derivative and integral operators
- Destructive and constructive interference for a wedge
- Determining lithology from well-velocity surveys
- Determining reflector location
- Determining static corrections from first breaks
- Determining vibroseis parameters
- Differential moveout between primary and multiple
- Diffraction from a half-plane
- Diffraction traveltime curves
- Digital calculations
- Dip, cross-dip, and angle of approach
- Directional geophone responses to different waves
- Directivities of linear arrays and linear sources
- Directivity of a harmonic source plus ghost
- Directivity of a source plus its ghost
- Directivity of linear sources
- Distinguishing horizontal/vertical discontinuities
- Disturbance produced by a point source
- Diving waves

### E

- Effect of burial history on velocity
- Effect of coil inductance on geophone equation
- Effect of filtering on event picking
- Effect of local high-velocity body
- Effect of migration on fault interpretation
- Effect of migration on plotted reflector locations
- Effect of reflector curvature on a plane wave
- Effect of signal/noise ratio on event picking
- Effect of station angle on location errors
- Effect of time picks, NMO stretch, and datum choice on stacking velocity
- Effects of normal-moveout (NMO) removal
- Effects of weathered layer (LVL) and permafrost
- Encyclopedic Dictionary of Applied Geophysics
- Estimating lithology from stacking velocity
- Extension of the sampling theorem

### F

### G

### H

### I

- Improvement of signal/noise ratio by stacking
- Influence of direction on velocity analyses
- Interpretation (journal)
- Interpretation of sonobuoy data
- Interpreting stacking velocity
- Interpreting uphole surveys
- Interrelationships among elastic constants
- Interval velocities
- Inverse filter to remove ghosting and recursive filtering

### M

### P

### R

- Rayleigh-wave relationships
- Reflection and refraction laws and Fermat’s principle
- Reflection and transmission coefficients
- Reflection-point smear for dipping reflectors
- Reflection/refraction at a liquid/solid interface
- Reflection/transmission coefficients at small angles and magnitude
- Reflections/diffractions from refractor terminations
- Reflectivity versus water saturation
- Reflector dip in terms of traveltimes squared
- Refractions and refraction multiples
- Reinforcement depth in marine recording
- Relation between average and rms velocities
- Relation between lithology and seismic velocities
- Relation between nepers and decibels
- Relationship for a dipping bed
- Response of a triangular array
- Ricker wavelet relations

### S

- Second approximation for dip moveout
- SEG keywords
- Seismic Data Analysis
- Selecting optimum field methods
- Selecting survey parameters
- Semblance
- Solving equations
- Sosie method
- Space-domain convolution and vibroseis acquisition
- Streamer feathering due to cross-currents
- Sum of waves of different frequencies and group velocity
- Suppressing multiples by NMO differences