1887

Abstract

Surface wave data acquisition by landstreamer with flat baseplates produces nearly identical dispersion curves to that from planted geophones. Dependence on geophone frequency and good<br>coupling is negligible and repeatability is fair. ‘Pseudo’ 2D profiling using 1D inversion at high shot density produces accurate subsurface images. However, ‘pushing’ a spread over the termination of a soft-layer pinchout can lead to overestimation of its lateral extent by up to 20% of the spread length. Shorter spreads show less lateral scattering but large shot-geometry dependence, and the response is dominated by the material under the shot / nearer-offset channels.

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/content/papers/10.3997/2214-4609-pdb.181.110
2006-04-02
2024-03-28
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.181.110
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