This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Mapping vertical contacts Small offsets A vertical step causes an offset on the traveltime curve 1 2 1 2 2 1 2 V V V TV z t − ∆ = • Diffractions link the two head wave curves • Depth, z1, is calculated from the intercept in the usual way • The relation of velocity to the slope remains unchanged • The offset can be calculated from the time offset, ∆ T...
View Full Document
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