Seismic-source and wave-propagation effects ofLgwaves in Scandinavia

Fundamentals of Seismic Wave Propagation

Seismic Wave-Field Propagation Modelling using the Euler Method

Wave-field extrapolation based on solving the wave equation is an important step in seismic modeling and needs a high level of accuracy. It has been implemented through a various numerical methods such as finite difference method as the most popular and conventional one. Moreover, the main drawbacks of the finite difference method are the low level of accuracy and the numerical dispersion for l...

Surface Wave Propagation Effects Observed at the Saudi Seismic Network

Global surface wave arrival angles (also called polarization data) are extremely useful data to constrain the shortwavelength structure in global surface wave phase velocity maps. This paper investigates the feasibility of using such data on a more regional scale to validate regional models. We measure the arrival angles at the Saudi Arabian Seismic Network and compare them with predictions cal...

Seismic Wave Propagation in Fractured Carbonate Rock

Laboratory experiments were performed on cubic samples of Austin Chalk to investigate the effect of fabric-induced anisotropy on the interpretation of fracture specific stiffness. The experimental results found that the fabric-induced layering complicates the interpretation of fracture specific stiffness. Seismic measurements from a sample with small layers (i.e., spacing and thickness) show th...

Modelling Seismic Wave Propagation for Geophysical Imaging