Fig. 2From: Surface wave attenuation in the shallow subsurface from multichannel–multishot seismic data: a new approach for detecting fractures and lithological discontinuitiesDiagrams showing the simulated models with examples of shot gathers. a–c Lithological boundary model. d–f Fracture model. V p, V s, and ρ are P-wave velocity, S-wave velocity, and density, respectively. Stars represent source positions. The origin time is defined at the maximum amplitude of the source waveletBack to article page