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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4992

Authors: Pergola, N.*
Marchese, F.*
Tramutoli, V.*
Filizzola, C.*
Ciampa, M.*
Title: Advanced satellite technique for volcanic activity monitoring and early warning
Issue Date: Feb-2008
Series/Report no.: 1/51 (2008)
URI: http://hdl.handle.net/2122/4992
Keywords: Etna
AVHRR
SEVIRI
ash cloud detection
volcanic thermal anomalies
Robust Satellite Techniques
early warning
Abstract: Nowadays, satellite remote sensing is an important tool for volcanic activity monitoring, thanks to several operational satellite platforms providing data everywhere with high observational frequencies and generally at low cost. Among different techniques available, an advanced satellite method, named RST (Robust Satellite Technique), based on the multitemporal analysis of satellite data, has shown a high capability in volcanic activity monitoring. This approach has proved capable of identifying and tracking volcanic ash cloud and of correctly detecting and monitoring volcanic thermal anomalies. This paper analyzes some recent results, obtained applying this approach to the last eruptive events of Mt. Etna using both polar and geostationary satellites. In particular, for the first time, this approach is implemented on the present geostationary platform MSG-SEVIRI, with 15 min of temporal resolution. Preliminary results, together with a future potential of this implementation, are shown and discussed. Moreover, a differential RST index in time domain is also proposed for near real-time application, as a possible contribution to the development of an efficient early warning satellite system for volcanic hazard mitigation.
Appears in Collections:04.08.07. Instruments and techniques
Annals of Geophysics

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