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Master Thesis

Mesure des déformations du sol par interférométrie radar : application à la sismotectonique de l'Iran

Abstract : High Resolution Radar images regularly acquired by satellites offer the opportunity to measure displacement maps of the ground that are dense (one measurement every about 10m on the ground) and highly accurate (uncertainty is typically better than 1cm). The technique is refereed to as Differential Synthetic Aperture Radar Interferometry (DInSAR). It does open a wide range of application in civil engineering, risk mitigation and Earth sciences. It mainly consists in the phase difference of the phase of radar images acquired at different dates. In this study we apply DInSAR to the highly disputable tectonics deformation rate of Eastern Iran. From our science project accepted by the European Space Agency, we derived 39 interferograms from ERS-1-2 and ENVISAT satellites. Interferograms cover a region over 150*400 km and a 10 years period of time. The results show that the deformation over the faults can not excess a few (2-3mm) per year while some authors suggest velocity larger than 13mm/y from GPS measurements and modeling.
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Master Thesis
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Submitted on : Tuesday, February 4, 2014 - 9:19:50 AM
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  • HAL Id : dumas-00941552, version 1



Marine Hubert-Brierre. Mesure des déformations du sol par interférométrie radar : application à la sismotectonique de l'Iran. Sciences de l'ingénieur [physics]. 2013. ⟨dumas-00941552⟩



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