Annual Report 2000 - WIT

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transport equation. Nevertheless, the result of the ray-propagator-method is noisier
and is superimposed by distortions at isolated gridpoints.
ŽA
0
0.000 0.025 0.050
20 40 60 80 20 40 60 80
0Œ
500
1000
z [m]
1500
2000
2500
3000 4000 5000 6000 7000 8000 9000
x [m]
Figure 1: Traveltimes and amplitudes for the Marmousi model computed with the FD
solution of the eikonal and the transport equation. The distance between isochrons is
0.075 seconds.
0
500
1000
z [m]
1500
2000
2500
3000 4000 5000 6000 7000 8000 9000
x [m]
Figure 2: Traveltimes for the Marmousi model computed with the finite difference
solution of the eikonal equation and a wave front construction program. The distance
between isochrons is 0.05 seconds.