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Unformatted text preview: One at center: to determine uppermost layer velocity Two long offset shots: to determine phantom arrivals and reverse line Applied Geophysics Refraction II Low velocity layers Limitations They are completely invisible to the refraction method They will cause miss-interpretation of the depth of lower lying layers Lower layers appear deeper than they are The intercept of the refraction from layer 3 will be dependent on the thickness and velocity in layer 2...
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This note was uploaded on 01/07/2012 for the course PHYSICS 384 taught by Professor Wei during the Spring '09 term at SUNY Stony Brook.
- Spring '09