Geology Reference
In-Depth Information
Figure 3.19
Post migration Fresnel zone
1
4
Pre migration
Fresnel zone
FOR HIGH
FREQUENCY
1
4
FOR LOW
FREQUENCY
CMP
High
Frequency
Zone
Low Frequency
Zone
Line direction
Figure 3.20
zone; the area at the acoustic boundary
from which the dominant part of the reflection originates (after
Sheriff,
1977
; AAPG © 1977, reprinted by permission of the AAPG
whose permission is required for further use). The Fresnel zone varies
with frequency.
The
'
Fresnel
'
36
Figure 3.21
