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Consider the two plots below a.  What source is used for generating a P-wave refraction experiment? What source is used for generating an SH refraction? b. In plot (i) what is meant by the air wave? Why is it not seen in plot (ii)? c. What is the thickness of the top layer that can be obtained directly for the SH reflection seen in (ii). Show your work. d. How would you determine if the refracted P and S waves were, or were not, coming from the same interface.

Consider the two plots below a.  What source is used for generating a P-wave refraction experiment? What source is used for generating an SH refraction? b. In plot (i) what is meant by the air wave? Why is it not seen in plot (ii)? c. What is the thickness of the top layer that can be obtained directly for the SH reflection seen in (ii). Show your work. d. How would you determine if the refracted P and S waves were, or were not, coming from the same interface.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Consider the two plots below

a.  What source is used for generating a P-wave refraction experiment? What source is used for generating an SH refraction?
b. In plot (i) what is meant by the air wave? Why is it not seen in plot (ii)?
c. What is the thickness of the top layer that can be obtained directly for the SH reflection seen in (ii). Show your work.
d. How would you determine if the refracted P and S waves were, or were not, coming from the same interface.

SH-wave Walkaway Survey Optimal window DISTANCE (m) H 80 70 60 50 40 30 20 10 80 70 60 50 40 30 20 10 o P refraction Vsh-122 m/s SH direct arrival SH reflection Vsh-1010 m/s SH refraction Vp-305 m/s 100 200 Vp-1250 m/s TIME (ms) TIME (ms) 200 400 Air wave Groundroll Love waves (i) P-wave (ii) SH-wave
Transcribed Image Text:SH-wave Walkaway Survey Optimal window DISTANCE (m) H 80 70 60 50 40 30 20 10 80 70 60 50 40 30 20 10 o P refraction Vsh-122 m/s SH direct arrival SH reflection Vsh-1010 m/s SH refraction Vp-305 m/s 100 200 Vp-1250 m/s TIME (ms) TIME (ms) 200 400 Air wave Groundroll Love waves (i) P-wave (ii) SH-wave
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