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Lorenzo Perozzi edited Modeling results.tex
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\subsection{Modeling results}
In this section we present the results of
three five synthetic
seismograms based on seismograms: baseline, after 5,10,15 and 50 years of start of CO$_2$ injection for the Becancour like and the
stochastic geological model. optimistic scenario. Corridor stacked traces for
4 7 offset are shown for each seismograms.
The results for Figure \ref{fig:fig8} shows the
"baseline", the difference between baseline and CO$_2$ injected in the Cairnside layer and between baseline and CO$_2$ in the Covey Hill layers are shown on Fig \ref{fig:fig8}. As demonstrated in Fig \ref{fig:fig8}b and \ref{fig:fig8}c the difference after CO$_2$ injection are caused primarely by the slight shifts between the two images. The shift starts at 0.85 s results for the
model with CO$_2$ on Becancour like scenario. Figure \ref{fig:fig9} shows the
Cairnside layer and about 0.1 s later results for the
model with CO$_2$ in the Covey Hill layer. In the model with CO$_2$ in Cairnside layers (red in Fig \ref{fig:fig8}b), we see a strong increase in the reflection strenght from the Covey Hill formation. \\
The effect of CO$_2$ is mainly observed by a travel-time delay. Other authors reported similar obervations \citep{Yang2014,Arts2004} optimistic scenario.