Tomography of the Near Vertical Incidence
Kokinou¹, A. Vafidis¹, J. Louis²
Applied Geophysics Lab. Dep. of Mineral Resource Eng. Technical Univ. of Crete, Chania, Greece 73100.
Geophysics – Geothermic Division, Dep. of Geology, University of Athens, Panepistimiopolis Ilisia,
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Abstract: A part of
deep reflection data from Ionian Sea carried
out in 1992 has been processed in order to improve their quality. Combination
of well – known filters has been applied in our attempt to increase the signal
to noise ratio of the data.
Reflections have been detected and picked by studying the shot gathers.
Thereinafter the reflection times and offsets were used in order to reveal the
2-D reflection tomography of the study area. The velocity model of the area
produced by analyzing the data is compared with the tomographic
model. Then the migrated section of the study area is interpreted by combined
the results from the seismic tomography and the standard seismic processing
with geologic and drilling – data.
Keywords: Hellenic arc, Pre – Apulian
zone, filtering, reflection tomography.