Science Service System

Summary of Proposal GEO2870

TitleVolcano InsTAbility (VITA)
Investigator Di Traglia, Federico - University of Firenze, Earth Sciences
Team Member
Prof Maurizio, Battaglia - University of Roma "La Sapienza" and UNITED STATES GEOLOGICAL SERVICE - VOLCANO , Departmento of Earth Sciences
Prof Casagli, Nicola - Department of Earth Sciences, Unviersity of Firenze
SummaryVITA is a project oriented exploitation and usage of TerraSAR-X(TSX) data for the understanding of volcano slope instability phenomena withthe aim to mitigate their effects. VITA technologies comprise TSX data, ground-basedInSAR (GBInSAR) products, data integration techniques, geomorphological,geological and geotechnical database, analytical solutions for volcanodeformations and numerical codes for volcano slope instability detection. Thegreatest danger associated with volcano slope instability in coastal or onisland environments is their ability to generate tsunamis. The project aims toa dynamic and intelligent integration of advanced remote sensing (RS) data (TSXand GBInSAR) with a dedicated database comprising geomorphological, geologicaland geotechnical information of the volcano slopes Due the ability InSARtechniques to detect only the satellite-to-target motion and the point-wisespatial distribution of measures, the interpretation of radar data requires supportfrom analysis and integration with thematic maps, optical images, in situ dataand field validation and surveys. the outcomes of the TSX images processingwill be combined with conventional techniques for the investigation ofgeological processes through the so-called “radar-interpretation”, to obtain anaccurate analysis of the phenomenon. Moreover, the integration of TSX andGBInSAR data with analytical and numerical modelling results will also validatethe TSX products. VITA will move forward by exploring the capability of TSX andGBInSAR to detect and monitor volcano ground deformations, for an improved andintegrated monitoring and forecasting of volcano slope instability. TSX datawill be used to perform surveys, at the volcano scale, for the detection ofunstable areas, and for the assessment of the long-term behavior of thedetected phenomena. The final aim of VITA is to integrate all the RS datasetand geomorphological, geological and geotechnical data to produce: (i) hazardmaps, (ii) hazard scenarios, (iii) detection and forecasting methods forvolcano slope instability. The PI and CO-PI agree to provide the TERRASAR-XANNOUNCEMENT OF OPPORTUNITY initiative the following three deliverables: - Deliverable D1 "Data reception": thisdeliverable ensures that the received products are compliant with the ordereddata. - Deliverable D2 (KO+12): quantitative and qualitativeinformation regarding all retrieved InSAR measurements. It aims at providingsite specific information (e.g. number of exploited scenes, date range ofanalysis, basic ground motion statistics, and used software). Processing of SARdata will be performed by SES-UNIBR. - Deliverable D3 (KO+24):presentationthe findings of the value adding activity in the selected test site. The outcomesof the InSAR analysis will be analyzed by DST-UNIFI and USGS-VDAP, with the aimof validating the relevance of the output from InSAR processing as avolcanological product, identifying causes for the observed ground motion inthe area of interest and producing geo-hazard related products.

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