The VARION (Variometric Approach for Real-Time Ionosphere Observation) algorithm has been successfully applied several times to TIDs (Travelling ionospheric disturbances) detection in a real-time scenario. VARION is, thus, able to estimate sTEC variations in real time and it can be applied on ship-based GNSS receiver since it is based on geometry free combination: the receiver motion does not affect the sTEC estimation process. This work is a feasibility study on the possibility to use data from ship-based GNSS receiver to detect TIDs. In particular, data of the February 27, 2010, MW 8.8 Chilean (Maule) earthquake and tsunami were analysed. The preliminary results show that the same TIDs are detected both from the sea (ships) and land. In conclusion, ship-based GNSS receivers could represent a real-time and cost-effective tool to enhance tsunami early warning systems, without requiring the installation of complex infrastructures in open sea.

Tids Detection from Ship-Based GNSS Receiver. First Test on 2010 Maule Tsunami / Ravanelli, Michela; Crespi, Mattia; Foster, James. - (2020), pp. 6846-6849. (Intervento presentato al convegno 2020 IEEE International Geoscience and Remote Sensing Symposium tenutosi a Virtual Symposium) [10.1109/IGARSS39084.2020.9324549].

Tids Detection from Ship-Based GNSS Receiver. First Test on 2010 Maule Tsunami

Ravanelli, Michela
;
Crespi, Mattia;
2020

Abstract

The VARION (Variometric Approach for Real-Time Ionosphere Observation) algorithm has been successfully applied several times to TIDs (Travelling ionospheric disturbances) detection in a real-time scenario. VARION is, thus, able to estimate sTEC variations in real time and it can be applied on ship-based GNSS receiver since it is based on geometry free combination: the receiver motion does not affect the sTEC estimation process. This work is a feasibility study on the possibility to use data from ship-based GNSS receiver to detect TIDs. In particular, data of the February 27, 2010, MW 8.8 Chilean (Maule) earthquake and tsunami were analysed. The preliminary results show that the same TIDs are detected both from the sea (ships) and land. In conclusion, ship-based GNSS receivers could represent a real-time and cost-effective tool to enhance tsunami early warning systems, without requiring the installation of complex infrastructures in open sea.
2020
2020 IEEE International Geoscience and Remote Sensing Symposium
tsunami early warning; real-time TIDs detection; VARION; shipborne GNSS receivers
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
Tids Detection from Ship-Based GNSS Receiver. First Test on 2010 Maule Tsunami / Ravanelli, Michela; Crespi, Mattia; Foster, James. - (2020), pp. 6846-6849. (Intervento presentato al convegno 2020 IEEE International Geoscience and Remote Sensing Symposium tenutosi a Virtual Symposium) [10.1109/IGARSS39084.2020.9324549].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1503870
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