Graphics courtesy of MATTHEW BRZOSTOWSKI and TODD JONES

GEOPHYSICAL CORNER

Complexities Can Be Mind-Bending

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Figure 1a and 1b

Figure 3

Figure 4a and 4b

Figure 5a and 5b

Figure 2:

The velocity field is a constant value on the top (2a), but more complicated on the bottom (2b). The velocity contrast on the top causes the seismic energy to bend acoss the interface -- and this ray bending makes the conversion to a spatially correct depth image more complicated.

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