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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