On the variations of InSAR-ICA altitudes in a mountain area of the Sele Valley (South Italy)
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Abstract
The ERS-1/ERS-2 Synthetic Aperture Radar (SAR) data are processed by InSAR-ICA technique and the altitude
variations are calculated for the period June-December 1995. For the same period and the same ERS-
1/ERS-2 SAR data, the nominal surface deformations are calculated by the standard DInSAR (Differential Interferometric
SAR) method, considered without any atmospheric correction. The results of the two different processing
techniques are qualitatively compared with the previous geological and hydrological observations of the
area under study. It is shown how the InSAR-ICA altitude variations are in better agreement with the expected
characterization of this region. Although these variations cannot be considered quantitative precise surface deformations
at present, this finding is interpreted in terms of usefulness and reliability of InSAR-ICA altitude estimations.
variations are calculated for the period June-December 1995. For the same period and the same ERS-
1/ERS-2 SAR data, the nominal surface deformations are calculated by the standard DInSAR (Differential Interferometric
SAR) method, considered without any atmospheric correction. The results of the two different processing
techniques are qualitatively compared with the previous geological and hydrological observations of the
area under study. It is shown how the InSAR-ICA altitude variations are in better agreement with the expected
characterization of this region. Although these variations cannot be considered quantitative precise surface deformations
at present, this finding is interpreted in terms of usefulness and reliability of InSAR-ICA altitude estimations.
Article Details
How to Cite
Ballatore, P. (2009) “On the variations of InSAR-ICA altitudes in a mountain area of the Sele Valley (South Italy)”, Annals of Geophysics, 52(2), pp. 167–171. doi: 10.4401/ag-4640.
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