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DInSAR processing

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    One of the aims of the Hammer project is to provide SAR deformation measurements. For this purpose, the Grid Processing On-Demand (G-POD) service was used to provide SAR deformation maps and associated time series for the test sites of Hammer. The G-POD SBAS-DInSAR service was developed through a collaboration between CNR-IREA and ESA-RSS, and is available from November 2014. The service is provided through a user-friendly web-interface, which allows users to perform the full SBAS-DInSAR chain, from RAW data focusing to displacement time series generation. G-POD can process the ESA’s ERS-1/2 and Envisat ASAR data retrieved throughout the Virtual Archive 4 (http://eo-virtual-archive4.esa.int/ in the framework of Supersite Initiative), and can generate single interferogram and/or a multi-temporal analyses. The G-POD service requires dataset selection over a specific area of interest (AOI) together with parameters and threshold setting (e.g. perpendicular baseline, temporal baseline, coherence threshold).