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Authors: Nunnari, G.*
Puglisi, G.*
Guglielmino, F.*
Coltelli, M.*
Title: Modelling ground deformations in volcanic areas by using SAR interferograms
Title of journal: Quaderni di Geofisica
Series/Report no.: / 43 (2006)
Publisher: INGV
Issue Date: 2006
Keywords: ground deformations
volcanic areas
Abstract: The inversion problem dealt with is the identification of the parameters of a magma-filled dike which causes observable changes in ground deformation data. It is supposed that ground deformation data are measured by using the SAR (Synthetic Aperture Radar) Interferometry technique. The inversion approach, which is carried out by a systematic search technique based on the Simulated Annealing (SA) optimization algorithm, guarantees a high degree of accuracy. The results given in the paper are supported by experiments carried out using an interactive software tool developed ad hoc, which allows both direct and inverse modeling of SAR interferometric data related to the opening of a crack at the beginning and throughout a volcanic activity episode.
Appears in Collections:04.08.07. Instruments and techniques
04.08.06. Volcano monitoring
Papers Published / Papers in press

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