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Proceedings Paper

Detection of recent faulting and evaluation of the vertical offsets from numerical analysis of SAR-ERS-1 images: the example of the Atacama fault zone in northern Chile
Author(s): Catherine Mering; Jean Chorowicz; Jean-Claude Vicente; Cherif Chalah; Gaelle Rafalli
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Paper Abstract

Usually the analysis of high resolution satellite images such as radar SAR ERS-1 images is undertaken by photo-interpretation techniques in order to reveal geological features. The numerical image processing is based on a filtering method designed for a better identification of geological structures on SAR images. The method leads to a mapping of recent faults on which the vertical offset is quantified. As examples, steeply dipping active faults with abrupt scarps are extracted from SAR-ERS1 images of the Central Andes (Atacama Fault zone, Northern Chile). The fault throws are then evaluated with a specific numerical image processing.

Paper Details

Date Published: 17 November 1995
PDF: 9 pages
Proc. SPIE 2587, Geographic Information Systems, Photogrammetry, and Geological/Geophysical Remote Sensing, (17 November 1995); doi: 10.1117/12.226823
Show Author Affiliations
Catherine Mering, Univ. de Paris VI - Pierre et Marie Curie, ORSTOM, and URA (France)
Jean Chorowicz, Univ. de Paris VI - Pierre et Marie Curie and URA (France)
Jean-Claude Vicente, Univ. de Paris VI - Pierre et Marie Curie (France)
Cherif Chalah, Univ. de Paris VI - Pierre et Marie Curie (France)
Gaelle Rafalli, Univ. de Paris VI - Pierre et Marie Curie (France)


Published in SPIE Proceedings Vol. 2587:
Geographic Information Systems, Photogrammetry, and Geological/Geophysical Remote Sensing
Joan B. Lurie; James J. Pearson; Eugenio Zilioli, Editor(s)

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