Journal
GEOPHYSICAL JOURNAL INTERNATIONAL
Volume 213, Issue 1, Pages 147-156Publisher
OXFORD UNIV PRESS
DOI: 10.1093/gji/ggx541
Keywords
Electromagnetic theory; Ground penetrating radar; Image processing
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Funding
- Italian Ministry of University and Research
- International Centre for Theoretical Physics (ICTP, Trieste, Italy) Training on Research in Italian Laboratories (TRIL) programme
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We evaluate the applicability and the effectiveness of integrated GPR attribute analysis to image the internal sedimentary features of the Piscinas Dunes, SW Sardinia, Italy. The main objective is to explore the limits of GPR techniques to study sediment-bodies geometry and to provide a non-invasive high-resolution characterization of the different subsurface domains of dune architecture. On such purpose, we exploit the high-quality Piscinas dataset to extract and test different attributes of the GPR trace. Composite displays of multiattributes related to amplitude, frequency, similarity and textural features are displayed with overlays and RGB mixed models. A multi-attribute comparative analysis is used to characterize different radar facies to better understand the characteristics of internal reflection patterns. The results demonstrate that the proposed integrated GPR attribute analysis can provide enhanced 0- information about the spatial distribution of sediment bodies, allowing an enhanced and more constrained data interpretation.
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