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Surface Deformation Monitoring in the Republic of Croatia with MT-InSAR

The Multi-Temporal Synthetic Aperture Radar Interferometry (MT-InSAR) has proven to be a very useful tool in providing a high precise detailed characterization of surface deformation processes over the wide areas. The first application in the Republic of Croatia was applied over the wider Zagreb area in the project “The Geodynamic GPS Network of the City of Zagreb”. The project was established in 1997 with an aim to answer the need for a better understanding of an ongoing geodynamic processes in the area. The research was carried on with GPS campaigns, whereas the MT-InSAR technique was introduced in the project in 2015. The Persistent Scatterers MT-INSAR technique was applied on Envisat ASAR data in 2015 and on Sentinel-1 data in 2017. The paper provides a revisit of the research with Envisat- ASAR data and preliminary results of the Sentinel-1 data. Furthermore, we discuss the other possible MT-InSAR applications in the area.

Geodynamic GPS Network of the City of Zagreb, InSAR, surface deformation monitoring, geodynamic processes

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