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Gpr data migration velocity estimation using a local diffraction multi-focusing criterion

Oikonomou Nikolaos, Brintakis Ioannis, Andronikidis Nikolaos, Kritikakis Georgios, Kokinou, Eleni, Papadopoulos Nikos G., Kourgialas Nektarios, Vafeidis Antonios

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URI: http://purl.tuc.gr/dl/dias/09AA6CD2-FCBF-400A-A2CB-1DD47E9B5D8A
Έτος 2021
Τύπος Δημοσίευση σε Συνέδριο
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά N. Economou, J. Brintakis, N. Andronikidis, G. Kritikakis, E. Kokkinou, N. Papadopoulos, N. Kourgialas, A. Vafidis, "Gpr data migration velocity estimation using a local diffraction multi-focusing criterion," in 11th Congress of the Balkan Geophysical Society, Bucharest, Romania, 2021, vol. 2021, doi: 10.3997/2214-4609.202149BGS13. https://doi.org/10.3997/2214-4609.202149BGS13
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Περίληψη

We use constant velocity migration of Ground Penetrating Radar (GPR) sections over a predefined range of migration velocities for the validation of diffraction focusing, using local slopes distribution, with the scope to estimate a migration velocity model. We avoid the user dependent diffraction analysis to circumvent subjectivity and use overlapping x-t windows to retrieve diffraction focusing validation for the entire dataset. The estimated migration velocity is utilized as an attribute whose sensitivity in water variation saturation is tested as a complementary method to the Electrical Resistivity Tomography (ERT) method for the assessment of soil moisture.

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