Abstract
Abstract. This paper describes the application of spaceborne and Ground Based radar interferometry as a tool for assisting the management of emergencies related to land movements. The support of the two techniques is carried out integrating some products, using tools available from a software and hardware architecture specifically developed within HEIMDALL, a H2020 project, devoted to providing a multi-hazard Cooperative Management, for Data Exchange, Response Planning and Scenario Building. Deformation maps obtained processing Sentinel-1 SAR images, updated every six days, can provide information over a large area, to be used during the preparedness and recovery phases. Data acquired through a Ground Based SAR system installed in-situ, provide a continuous and discontinuous (periodical) monitoring, aiming at supporting response and recovery phases. The products, in both cases, consist of deformation maps and temporal series, velocity of displacement, obtained through the application of Persistent Scatterer Interferometry (PSI).
Highlights
In this paper we report the application of radar interferometry, using both satellite and ground based SAR images, carried out within a project developed to provide a Multi-Hazard Cooperative Management Tool for Data Exchange, Response Planning and Scenario Building, namely the HEIMDALL H2020 European project
The deployment of sensors at the local level in areas with higher activity rates allows obtaining near real-time data (NRT), making possible the development of realistic scenarios and simulations for accurate response planning, as well as the management of the emergency during the crisis
In this paper we focus only on SAR interferometry which is basically applied to the emergencies concerning terrain movements
Summary
In this paper we report the application of radar interferometry, using both satellite and ground based SAR images, carried out within a project developed to provide a Multi-Hazard Cooperative Management Tool for Data Exchange, Response Planning and Scenario Building, namely the HEIMDALL H2020 European project. The deployment of sensors at the local level (hot spots) in areas with higher activity rates allows obtaining near real-time data (NRT), making possible the development of realistic scenarios and simulations for accurate response planning, as well as the management of the emergency during the crisis. The second case makes use of a GB SAR system installed in-situ, to provide a continuous and discontinuous (periodical) monitoring, aiming at supporting response and recovery phases respectively The products in both cases consist of deformation maps and temporal series, velocity of displacement, obtained through the application of Persistent Scatterer Interferometry (PSI). In the case at hand a specific methodology has been applied, namely the Active Deformation Areas (ADA) algorithm developed at CTTC (Barra et al, 2017) as well as the tool that implements it (Navarro et al, 2018, Navarro et al, 2019), which will be detailed
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