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Solution of an n-layer problem by a seismic reflection method (1937)

Gassmann, Fritz

Oxford, UK : Blackwell Publishing Ltd

Geophysical journal international 4 (1937), S. 0

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ISSN: 1365-246X

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Geosciences

Notes: The treatment of the n-layer problem presented in this paper is based on the assumption that the subsoil is bounded by a plane surface and that plane interfaces of arbitrary position subdivide the subsoil into homogeneous isotropic solid layers.In section I recursion formulae are derived for wave-rays which are reflected by one interface and refracted by the others.It is shown in Section Z that a parametric represention of the travel-time function can be found for an arbitrary position of the point source.Section 3 deals with the computation of the travel-time for a given position of a seismometer. The method is based on successive approximations using a Taylor expansion of the travel-time.In sections 4 and 5 a method is presented to compute the front velocities and the positions of the interfaces in the subsoil on the basis of suitable seimic measurements.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-246X.1937.tb07110.x

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