L20_SeismicRefractionIII-page8

L20_SeismicRefractionIII-page8 - S-waves propagating along...

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Applied Geophysics – Refraction III Archeological investigations Examples P-wave refraction lines • Sledge hammer source •2m geophone spac ing • 50m lines reversed S-wave refraction lines • Rubber maul hammer striking horizontally on a vertical plate • 2m horizontal geophone
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Unformatted text preview: S-waves propagating along the line were horizontally polarized in the transverse direction for being detected by transversely orientated geophones.” Applied Geophysics – Refraction III Archeological investigations Examples Depth profiles used to identify the location of the vallum Difference in P and S results give some indication of uncertainty...
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