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THEORETICAL REFLECTION SEISMOGRAMS FOR ELASTIC MEDIA (1979)

KENNETT, B. L. N.

Oxford, UK : Blackwell Publishing Ltd

Geophysical prospecting 27 (1979), S. 0

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ISSN: 1365-2478

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Geosciences , Physics

Notes: Theoretical seismograms for an explosive source in a multilayered elastic medium are constructed by Fourier synthesis and plane wave superposition. The calculation scheme which builds up a reflection matrix layer by layer in the frequency and wave number domain allows the inclusion of attenuation and a choice of the level of internal multiples in each layer.Comparative calculations of theoretical seismograms for an elastic model and in the acoustic approximation, neglecting shear, show that the main differences arise at large offsets. The inclusion of shear waves leads to lower reflected P wave amplitudes at the end of the spread but only small amounts of converted phases.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-2478.1979.tb00972.x

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