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20 October 2023 Alpine rock glacier deformation estimation by using SAR multifrequency data
Giovanni Cuozzo, Melisa Soledad Heredia, Mattia Callegari, Fabio Bovenga, Ludovica De Gregorio, Abraham Mejia-Aguilar, Aldo Bertone, Ilienia Argentiero, Antonella Belmonte, Alberto Refice, Claudia Notarnicola
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Proceedings Volume PC12732, Microwave Remote Sensing: Data Processing and Applications II; PC1273205 (2023) https://doi.org/10.1117/12.2683972
Event: SPIE Remote Sensing, 2023, Amsterdam, Netherlands
Abstract
In this work the potentiality of multi-source and multifrequency Synthetic Aperture Radar (SAR) images to measure surface deformation of the Lazaun alpine active rock glacier were studied. CSG, CSK, TerraSAR-X, Sentinel-1 and SAOCOM SAR data characterized by different wavelength and spatial and temporal resolutions have been tested over the period 2016 to 2022. Intensity tracking and DInSAR complementary SAR techniques have been used to estimate deformation at different temporal scales. We found for Intensity tracking, interannual displacement reaching a Pearson correlation coefficient of about 0.89 and an RMSE of 0.34mm/day.
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Giovanni Cuozzo, Melisa Soledad Heredia, Mattia Callegari, Fabio Bovenga, Ludovica De Gregorio, Abraham Mejia-Aguilar, Aldo Bertone, Ilienia Argentiero, Antonella Belmonte, Alberto Refice, and Claudia Notarnicola "Alpine rock glacier deformation estimation by using SAR multifrequency data", Proc. SPIE PC12732, Microwave Remote Sensing: Data Processing and Applications II, PC1273205 (20 October 2023); https://doi.org/10.1117/12.2683972
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KEYWORDS
Synthetic aperture radar
Glaciers
Deformation
Temporal resolution
Global Positioning System
Correlation coefficients
Image analysis
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